ZIP codes in Iowa
1,055 ZIP codes. Population from the Census ACS 2020–2024 5-year estimates (PO-box-only ZIPs have none).
| ZIP | City | Population |
|---|---|---|
| 50001 | Ackworth | 650 |
| 50002 | Adair | 1,496 |
| 50003 | Adel | 9,948 |
| 50005 | Albion | 812 |
| 50006 | Alden | 1,437 |
| 50007 | Alleman | 444 |
| 50008 | Allerton | 722 |
| 50009 | Altoona | 22,886 |
| 50010 | Ames | 33,799 |
| 50011 | Ames | — |
| 50012 | Ames | 1,913 |
| 50013 | Ames | 4,211 |
| 50014 | Ames | 32,958 |
| 50020 | Anita | 1,197 |
| 50021 | Ankeny | 30,283 |
| 50022 | Atlantic | 8,526 |
| 50023 | Ankeny | 46,306 |
| 50025 | Audubon | 3,148 |
| 50026 | Bagley | 481 |
| 50027 | Barnes City | 148 |
| 50028 | Baxter | 1,981 |
| 50029 | Bayard | 523 |
| 50031 | Beaver | 51 |
| 50032 | Berwick | 707 |
| 50033 | Bevington | 12 |
| 50034 | Blairsburg | 328 |
| 50035 | Bondurant | 10,131 |
| 50036 | Boone | 16,154 |
| 50037 | Boone | — |
| 50038 | Booneville | 235 |
| 50039 | Bouton | 344 |
| 50040 | Boxholm | 168 |
| 50041 | Bradford | 51 |
| 50042 | Brayton | 226 |
| 50043 | Buckeye | — |
| 50044 | Bussey | 901 |
| 50046 | Cambridge | 1,554 |
| 50047 | Carlisle | 6,690 |
| 50048 | Casey | 562 |
| 50049 | Chariton | 6,414 |
| 50050 | Churdan | 712 |
| 50051 | Clemons | 224 |
| 50052 | Clio | 80 |
| 50054 | Colfax | 3,166 |
| 50055 | Collins | 1,102 |
| 50056 | Colo | 1,003 |
| 50057 | Columbia | 327 |
| 50058 | Coon Rapids | 1,999 |
| 50059 | Cooper | — |
| 50060 | Corydon | 2,417 |
| 50061 | Cumming | 2,123 |
| 50062 | Melcher Dallas | 789 |
| 50063 | Dallas Center | 2,720 |
| 50064 | Dana | 100 |
| 50065 | Davis City | 517 |
| 50066 | Dawson | 191 |
| 50067 | Decatur | 354 |
| 50068 | Derby | 215 |
| 50069 | De Soto | 1,109 |
| 50070 | Dexter | 1,221 |
| 50071 | Dows | 847 |
| 50072 | Earlham | 2,979 |
| 50073 | Elkhart | 1,208 |
| 50074 | Ellston | 215 |
| 50075 | Ellsworth | 807 |
| 50076 | Exira | 1,301 |
| 50078 | Ferguson | 85 |
| 50099 | Boone | — |
| 50101 | Galt | 57 |
| 50102 | Garden City | 36 |
| 50103 | Garden Grove | 453 |
| 50104 | Gibson | 103 |
| 50105 | Gilbert | 1,487 |
| 50106 | Gilman | 1,163 |
| 50107 | Grand Junction | 764 |
| 50108 | Grand River | 376 |
| 50109 | Granger | 3,309 |
| 50110 | Gray | 29 |
| 50111 | Grimes | 16,865 |
| 50112 | Grinnell | 11,862 |
| 50115 | Guthrie Center | 2,809 |
| 50116 | Hamilton | 261 |
| 50117 | Hamlin | 128 |
| 50118 | Hartford | 920 |
| 50119 | Harvey | 392 |
| 50120 | Haverhill | 428 |
| 50122 | Hubbard | 1,297 |
| 50123 | Humeston | 883 |
| 50124 | Huxley | 4,859 |
| 50125 | Indianola | 20,121 |
| 50126 | Iowa Falls | 6,368 |
| 50127 | Ira | 10 |
| 50128 | Jamaica | 330 |
| 50129 | Jefferson | 5,014 |
| 50130 | Jewell | 1,468 |
| 50131 | Johnston | 24,583 |
| 50132 | Kamrar | 427 |
| 50133 | Kellerton | 528 |
| 50134 | Kelley | 770 |
| 50135 | Kellogg | 1,754 |
| 50136 | Keswick | 376 |
| 50137 | Killduff | 114 |
| 50138 | Knoxville | 11,117 |
| 50139 | Lacona | 1,025 |
| 50140 | Lamoni | 2,842 |
| 50141 | Laurel | 587 |
| 50142 | Le Grand | 720 |
| 50143 | Leighton | 538 |
| 50144 | Leon | 2,692 |
| 50145 | Liberty Center | 139 |
| 50146 | Linden | 577 |
| 50147 | Lineville | 463 |
| 50148 | Liscomb | 406 |
| 50149 | Lorimor | 883 |
| 50150 | Lovilia | 736 |
| 50151 | Lucas | 727 |
| 50152 | Luther | 138 |
| 50153 | Lynnville | 890 |
| 50154 | Mc Callsburg | 394 |
| 50155 | Macksburg | 94 |
| 50156 | Madrid | 4,575 |
| 50157 | Malcom | 473 |
| 50158 | Marshalltown | 31,396 |
| 50160 | Martensdale | 569 |
| 50161 | Maxwell | 2,296 |
| 50162 | Melbourne | 1,164 |
| 50163 | Melcher Dallas | 689 |
| 50164 | Menlo | 682 |
| 50165 | Millerton | 44 |
| 50166 | Milo | 2,023 |
| 50167 | Minburn | 592 |
| 50168 | Mingo | 826 |
| 50169 | Mitchellville | 3,667 |
| 50170 | Monroe | 3,024 |
| 50171 | Montezuma | 2,524 |
| 50173 | Montour | 705 |
| 50174 | Murray | 1,259 |
| 50201 | Nevada | 8,320 |
| 50206 | New Providence | 349 |
| 50207 | New Sharon | 2,325 |
| 50208 | Newton | 20,595 |
| 50210 | New Virginia | 1,487 |
| 50211 | Norwalk | 16,835 |
| 50212 | Ogden | 2,993 |
| 50213 | Osceola | 7,489 |
| 50214 | Otley | 719 |
| 50216 | Panora | 2,786 |
| 50217 | Paton | 561 |
| 50218 | Patterson | 346 |
| 50219 | Pella | 14,416 |
| 50220 | Perry | 9,216 |
| 50222 | Peru | 328 |
| 50223 | Pilot Mound | 236 |
| 50225 | Pleasantville | 3,364 |
| 50226 | Polk City | 7,759 |
| 50227 | Popejoy | 107 |
| 50228 | Prairie City | 2,120 |
| 50229 | Prole | 1,585 |
| 50230 | Radcliffe | 1,145 |
| 50231 | Randall | 142 |
| 50232 | Reasnor | 569 |
| 50233 | Redfield | 1,406 |
| 50234 | Rhodes | 559 |
| 50235 | Rippey | 431 |
| 50236 | Roland | 1,761 |
| 50237 | Runnells | 3,635 |
| 50238 | Russell | 1,195 |
| 50239 | Saint Anthony | 354 |
| 50240 | Saint Charles | 2,393 |
| 50241 | Saint Marys | 96 |
| 50242 | Searsboro | 326 |
| 50243 | Sheldahl | 361 |
| 50244 | Slater | 1,729 |
| 50246 | Stanhope | 614 |
| 50247 | State Center | 2,004 |
| 50248 | Story City | 4,216 |
| 50249 | Stratford | 1,312 |
| 50250 | Stuart | 2,832 |
| 50251 | Sully | 1,365 |
| 50252 | Swan | 236 |
| 50254 | Thayer | 296 |
| 50255 | Thornburg | 51 |
| 50256 | Tracy | 643 |
| 50257 | Truro | 914 |
| 50258 | Union | 958 |
| 50259 | Gifford | — |
| 50261 | Van Meter | 3,399 |
| 50262 | Van Wert | 263 |
| 50263 | Waukee | 29,611 |
| 50264 | Weldon | 502 |
| 50265 | West Des Moines | 33,488 |
| 50266 | West Des Moines | 37,523 |
| 50268 | What Cheer | 908 |
| 50269 | Whitten | 164 |
| 50271 | Williams | 581 |
| 50272 | Williamson | 190 |
| 50273 | Winterset | 8,950 |
| 50274 | Wiota | 234 |
| 50275 | Woodburn | 506 |
| 50276 | Woodward | 2,679 |
| 50277 | Yale | 582 |
| 50278 | Zearing | 891 |
| 50301 | Des Moines | — |
| 50302 | Des Moines | — |
| 50303 | Des Moines | — |
| 50304 | Des Moines | — |
| 50305 | Des Moines | — |
| 50306 | Des Moines | — |
| 50307 | Des Moines | — |
| 50308 | Des Moines | — |
| 50309 | Des Moines | 10,110 |
| 50310 | Des Moines | 31,177 |
| 50311 | Des Moines | 14,574 |
| 50312 | Des Moines | 15,802 |
| 50313 | Des Moines | 17,440 |
| 50314 | Des Moines | 10,438 |
| 50315 | Des Moines | 34,816 |
| 50316 | Des Moines | 16,710 |
| 50317 | Des Moines | 36,548 |
| 50318 | Des Moines | — |
| 50319 | Des Moines | 0 |
| 50320 | Des Moines | 24,807 |
| 50321 | Des Moines | 7,900 |
| 50322 | Urbandale | 31,931 |
| 50323 | Urbandale | 17,265 |
| 50324 | Windsor Heights | 5,143 |
| 50325 | Clive | 19,012 |
| 50327 | Pleasant Hill | 13,177 |
| 50328 | Des Moines | — |
| 50329 | Des Moines | — |
| 50330 | Des Moines | — |
| 50331 | Des Moines | — |
| 50332 | Des Moines | — |
| 50333 | Des Moines | — |
| 50334 | Des Moines | — |
| 50335 | Des Moines | — |
| 50336 | Des Moines | — |
| 50339 | Des Moines | — |
| 50340 | Des Moines | — |
| 50359 | Des Moines | — |
| 50360 | Des Moines | — |
| 50361 | Des Moines | — |
| 50362 | Des Moines | — |
| 50363 | Des Moines | — |
| 50364 | Des Moines | — |
| 50367 | Des Moines | — |
| 50368 | Des Moines | — |
| 50369 | Des Moines | — |
| 50380 | Des Moines | — |
| 50381 | Des Moines | — |
| 50391 | Des Moines | — |
| 50392 | Des Moines | — |
| 50393 | Des Moines | — |
| 50394 | Des Moines | — |
| 50395 | Des Moines | — |
| 50396 | Des Moines | — |
| 50398 | Urbandale | — |
| 50401 | Mason City | 28,703 |
| 50402 | Mason City | — |
| 50420 | Alexander | 473 |
| 50421 | Belmond | 3,168 |
| 50423 | Britt | 2,291 |
| 50424 | Buffalo Center | 1,441 |
| 50426 | Carpenter | 81 |
| 50427 | Chapin | 137 |
| 50428 | Clear Lake | 9,071 |
| 50430 | Corwith | 520 |
| 50431 | Coulter | 228 |
| 50432 | Crystal Lake | 283 |
| 50433 | Dougherty | 157 |
| 50434 | Fertile | 396 |
| 50435 | Floyd | 713 |
| 50436 | Forest City | 5,771 |
| 50438 | Garner | 3,995 |
| 50439 | Goodell | 454 |
| 50440 | Grafton | 361 |
| 50441 | Hampton | 5,450 |
| 50444 | Hanlontown | 394 |
| 50446 | Joice | 476 |
| 50447 | Kanawha | 1,145 |
| 50448 | Kensett | 620 |
| 50449 | Klemme | 785 |
| 50450 | Lake Mills | 2,952 |
| 50451 | Lakota | 432 |
| 50452 | Latimer | 946 |
| 50453 | Leland | 537 |
| 50454 | Little Cedar | 229 |
| 50455 | Mc Intire | 201 |
| 50456 | Manly | 1,699 |
| 50457 | Meservey | 463 |
| 50458 | Nora Springs | 2,094 |
| 50459 | Northwood | 3,045 |
| 50460 | Orchard | 688 |
| 50461 | Osage | 5,228 |
| 50464 | Plymouth | 694 |
| 50465 | Rake | 190 |
| 50466 | Riceville | 1,972 |
| 50467 | Rock Falls | 63 |
| 50468 | Rockford | 1,617 |
| 50469 | Rockwell | 1,527 |
| 50470 | Rowan | 287 |
| 50471 | Rudd | 740 |
| 50472 | Saint Ansgar | 2,560 |
| 50473 | Scarville | 219 |
| 50475 | Sheffield | 1,446 |
| 50476 | Stacyville | 706 |
| 50477 | Swaledale | 250 |
| 50478 | Thompson | 737 |
| 50479 | Thornton | 655 |
| 50480 | Titonka | 809 |
| 50481 | Toeterville | — |
| 50482 | Ventura | 748 |
| 50483 | Wesley | 672 |
| 50484 | Woden | 411 |
| 50501 | Fort Dodge | 28,823 |
| 50510 | Albert City | 1,042 |
| 50511 | Algona | 7,240 |
| 50514 | Armstrong | 1,117 |
| 50515 | Ayrshire | 251 |
| 50516 | Badger | 586 |
| 50517 | Bancroft | 833 |
| 50518 | Barnum | 365 |
| 50519 | Bode | 765 |
| 50520 | Bradgate | 114 |
| 50521 | Burnside | 45 |
| 50522 | Burt | 705 |
| 50523 | Callender | 682 |
| 50524 | Clare | 439 |
| 50525 | Clarion | 3,179 |
| 50526 | Clarion | — |
| 50527 | Curlew | 106 |
| 50528 | Cylinder | 366 |
| 50529 | Dakota City | 752 |
| 50530 | Dayton | 1,090 |
| 50531 | Dolliver | 325 |
| 50532 | Duncombe | 804 |
| 50533 | Eagle Grove | 3,977 |
| 50535 | Early | 1,198 |
| 50536 | Emmetsburg | 4,207 |
| 50538 | Farnhamville | 661 |
| 50539 | Fenton | 444 |
| 50540 | Fonda | 998 |
| 50541 | Gilmore City | 1,067 |
| 50542 | Goldfield | 859 |
| 50543 | Gowrie | 1,420 |
| 50544 | Harcourt | 565 |
| 50545 | Hardy | 139 |
| 50546 | Havelock | 356 |
| 50548 | Humboldt | 5,722 |
| 50551 | Jolley | 96 |
| 50552 | Knierim | 76 |
| 50554 | Laurens | 1,653 |
| 50556 | Ledyard | 159 |
| 50557 | Lehigh | 804 |
| 50558 | Livermore | 653 |
| 50559 | Lone Rock | 289 |
| 50560 | Lu Verne | 732 |
| 50561 | Lytton | 585 |
| 50562 | Mallard | 377 |
| 50563 | Manson | 2,505 |
| 50565 | Marathon | 380 |
| 50566 | Moorland | 325 |
| 50567 | Nemaha | 280 |
| 50568 | Newell | 1,384 |
| 50569 | Otho | 551 |
| 50570 | Ottosen | 203 |
| 50571 | Palmer | 273 |
| 50573 | Plover | 31 |
| 50574 | Pocahontas | 2,132 |
| 50575 | Pomeroy | 696 |
| 50576 | Rembrandt | 277 |
| 50577 | Renwick | 341 |
| 50578 | Ringsted | 633 |
| 50579 | Rockwell City | 3,034 |
| 50581 | Rolfe | 809 |
| 50582 | Rutland | 170 |
| 50583 | Sac City | 2,288 |
| 50585 | Sioux Rapids | 1,080 |
| 50586 | Somers | 272 |
| 50588 | Storm Lake | 13,431 |
| 50590 | Swea City | 718 |
| 50591 | Thor | 405 |
| 50592 | Truesdale | 187 |
| 50593 | Varina | 29 |
| 50594 | Vincent | 288 |
| 50595 | Webster City | 8,885 |
| 50597 | West Bend | 1,341 |
| 50598 | Whittemore | 818 |
| 50599 | Woolstock | 410 |
| 50601 | Ackley | 2,299 |
| 50602 | Allison | 1,254 |
| 50603 | Alta Vista | 555 |
| 50604 | Aplington | 1,590 |
| 50605 | Aredale | 63 |
| 50606 | Arlington | 803 |
| 50607 | Aurora | 403 |
| 50608 | Austinville | 24 |
| 50609 | Beaman | 377 |
| 50611 | Bristow | 364 |
| 50612 | Buckingham | 369 |
| 50613 | Cedar Falls | 43,867 |
| 50614 | Cedar Falls | — |
| 50616 | Charles City | 9,358 |
| 50619 | Clarksville | 2,150 |
| 50620 | Colwell | 36 |
| 50621 | Conrad | 1,601 |
| 50622 | Denver | 3,549 |
| 50623 | Dewar | 153 |
| 50624 | Dike | 1,855 |
| 50625 | Dumont | 930 |
| 50626 | Dunkerton | 1,468 |
| 50627 | Eldora | 3,276 |
| 50628 | Elma | 1,423 |
| 50629 | Fairbank | 2,082 |
| 50630 | Fredericksburg | 1,372 |
| 50631 | Frederika | 225 |
| 50632 | Garwin | 1,201 |
| 50633 | Geneva | 423 |
| 50634 | Gilbertville | 761 |
| 50635 | Gladbrook | 1,423 |
| 50636 | Greene | 2,186 |
| 50638 | Grundy Center | 3,441 |
| 50641 | Hazleton | 1,950 |
| 50642 | Holland | 577 |
| 50643 | Hudson | 3,027 |
| 50644 | Independence | 8,419 |
| 50645 | Ionia | 1,193 |
| 50647 | Janesville | 1,978 |
| 50648 | Jesup | 4,269 |
| 50649 | Kesley | 12 |
| 50650 | Lamont | 648 |
| 50651 | La Porte City | 3,147 |
| 50652 | Lincoln | 113 |
| 50653 | Marble Rock | 486 |
| 50654 | Masonville | 275 |
| 50655 | Maynard | 739 |
| 50657 | Morrison | 96 |
| 50658 | Nashua | 2,450 |
| 50659 | New Hampton | 5,688 |
| 50660 | New Hartford | 1,143 |
| 50661 | North Washington | — |
| 50662 | Oelwein | 6,576 |
| 50664 | Oran | 63 |
| 50665 | Parkersburg | 2,693 |
| 50666 | Plainfield | 753 |
| 50667 | Raymond | 899 |
| 50668 | Readlyn | 1,216 |
| 50669 | Reinbeck | 2,439 |
| 50670 | Shell Rock | 2,270 |
| 50671 | Stanley | 182 |
| 50672 | Steamboat Rock | 611 |
| 50673 | Stout | 250 |
| 50674 | Sumner | 3,446 |
| 50675 | Traer | 2,198 |
| 50676 | Tripoli | 2,017 |
| 50677 | Waverly | 12,673 |
| 50680 | Wellsburg | 1,027 |
| 50681 | Westgate | 481 |
| 50682 | Winthrop | 1,692 |
| 50701 | Waterloo | 30,232 |
| 50702 | Waterloo | 20,882 |
| 50703 | Waterloo | 17,952 |
| 50704 | Waterloo | — |
| 50707 | Evansdale | 7,784 |
| 50801 | Creston | 9,034 |
| 50830 | Afton | 1,846 |
| 50831 | Arispe | 22 |
| 50833 | Bedford | 2,077 |
| 50835 | Benton | 69 |
| 50836 | Blockton | 304 |
| 50837 | Bridgewater | 282 |
| 50839 | Carbon | 46 |
| 50840 | Clearfield | 552 |
| 50841 | Corning | 2,340 |
| 50842 | Cromwell | 99 |
| 50843 | Cumberland | 540 |
| 50845 | Diagonal | 831 |
| 50846 | Fontanelle | 1,276 |
| 50847 | Grant | 35 |
| 50848 | Gravity | 256 |
| 50849 | Greenfield | 2,374 |
| 50851 | Lenox | 2,193 |
| 50853 | Massena | 716 |
| 50854 | Mount Ayr | 2,391 |
| 50857 | Nodaway | 156 |
| 50858 | Orient | 848 |
| 50859 | Prescott | 676 |
| 50860 | Redding | 94 |
| 50861 | Shannon City | 311 |
| 50862 | Sharpsburg | 123 |
| 50863 | Tingley | 194 |
| 50864 | Villisca | 1,662 |
| 50936 | Des Moines | — |
| 50940 | Des Moines | — |
| 50947 | Des Moines | — |
| 50950 | Des Moines | — |
| 50980 | Des Moines | — |
| 50981 | Des Moines | — |
| 50982 | Des Moines | — |
| 50983 | Des Moines | — |
| 51001 | Akron | 2,342 |
| 51002 | Alta | 2,787 |
| 51003 | Alton | 1,938 |
| 51004 | Anthon | 858 |
| 51005 | Aurelia | 1,561 |
| 51006 | Battle Creek | 1,287 |
| 51007 | Bronson | 691 |
| 51008 | Brunsville | 210 |
| 51009 | Calumet | 113 |
| 51010 | Castana | 425 |
| 51011 | Chatsworth | 54 |
| 51012 | Cherokee | 6,311 |
| 51014 | Cleghorn | 549 |
| 51015 | Climbing Hill | 45 |
| 51016 | Correctionville | 1,080 |
| 51018 | Cushing | 542 |
| 51019 | Danbury | 448 |
| 51020 | Galva | 632 |
| 51022 | Granville | 960 |
| 51023 | Hawarden | 3,473 |
| 51024 | Hinton | 2,081 |
| 51025 | Holstein | 1,925 |
| 51026 | Hornick | 910 |
| 51027 | Ireton | 1,280 |
| 51028 | Kingsley | 2,191 |
| 51029 | Larrabee | 261 |
| 51030 | Lawton | 1,468 |
| 51031 | Le Mars | 12,808 |
| 51033 | Linn Grove | 421 |
| 51034 | Mapleton | 1,674 |
| 51035 | Marcus | 1,627 |
| 51036 | Maurice | 445 |
| 51037 | Meriden | 327 |
| 51038 | Merrill | 1,449 |
| 51039 | Moville | 2,845 |
| 51040 | Onawa | 3,500 |
| 51041 | Orange City | 7,324 |
| 51044 | Oto | 165 |
| 51045 | Oyens | 66 |
| 51046 | Paullina | 1,326 |
| 51047 | Peterson | 693 |
| 51048 | Pierson | 435 |
| 51049 | Quimby | 448 |
| 51050 | Remsen | 2,962 |
| 51051 | Rodney | 39 |
| 51052 | Salix | 1,050 |
| 51053 | Schaller | 1,016 |
| 51054 | Sergeant Bluff | 5,583 |
| 51055 | Sloan | 1,346 |
| 51056 | Smithland | 346 |
| 51058 | Sutherland | 1,096 |
| 51060 | Ute | 706 |
| 51061 | Washta | 389 |
| 51062 | Westfield | 503 |
| 51063 | Whiting | 1,072 |
| 51101 | Sioux City | 1,031 |
| 51102 | Sioux City | — |
| 51103 | Sioux City | 16,895 |
| 51104 | Sioux City | 23,197 |
| 51105 | Sioux City | 10,415 |
| 51106 | Sioux City | 28,592 |
| 51108 | Sioux City | 5,960 |
| 51109 | Sioux City | 3,606 |
| 51111 | Sioux City | 39 |
| 51201 | Sheldon | 6,430 |
| 51230 | Alvord | 478 |
| 51231 | Archer | 562 |
| 51232 | Ashton | 658 |
| 51234 | Boyden | 1,172 |
| 51235 | Doon | 1,007 |
| 51237 | George | 1,605 |
| 51238 | Hospers | 1,502 |
| 51239 | Hull | 2,876 |
| 51240 | Inwood | 1,914 |
| 51241 | Larchwood | 2,103 |
| 51242 | Lester | 379 |
| 51243 | Little Rock | 735 |
| 51244 | Matlock | 144 |
| 51245 | Primghar | 1,377 |
| 51246 | Rock Rapids | 4,041 |
| 51247 | Rock Valley | 5,094 |
| 51248 | Sanborn | 1,534 |
| 51249 | Sibley | 3,564 |
| 51250 | Sioux Center | 9,970 |
| 51301 | Spencer | 12,638 |
| 51331 | Arnolds Park | 935 |
| 51333 | Dickens | 374 |
| 51334 | Estherville | 6,960 |
| 51338 | Everly | 852 |
| 51340 | Fostoria | 75 |
| 51341 | Gillett Grove | 40 |
| 51342 | Graettinger | 1,385 |
| 51343 | Greenville | 172 |
| 51345 | Harris | 347 |
| 51346 | Hartley | 2,247 |
| 51347 | Lake Park | 1,470 |
| 51350 | Melvin | 383 |
| 51351 | Milford | 4,988 |
| 51354 | Ocheyedan | 965 |
| 51355 | Okoboji | 1,048 |
| 51357 | Royal | 910 |
| 51358 | Ruthven | 1,213 |
| 51360 | Spirit Lake | 8,653 |
| 51363 | Superior | 111 |
| 51364 | Terril | 803 |
| 51365 | Wallingford | 416 |
| 51366 | Webb | 245 |
| 51401 | Carroll | 11,990 |
| 51430 | Arcadia | 1,063 |
| 51431 | Arthur | 430 |
| 51432 | Aspinwall | 45 |
| 51433 | Auburn | 567 |
| 51436 | Breda | 815 |
| 51439 | Charter Oak | 818 |
| 51440 | Dedham | 334 |
| 51441 | Deloit | 468 |
| 51442 | Denison | 9,692 |
| 51443 | Glidden | 1,653 |
| 51444 | Halbur | 290 |
| 51445 | Ida Grove | 2,485 |
| 51446 | Irwin | 499 |
| 51447 | Kirkman | 113 |
| 51448 | Kiron | 612 |
| 51449 | Lake City | 1,950 |
| 51450 | Lake View | 1,619 |
| 51451 | Lanesboro | 74 |
| 51452 | Lidderdale | 177 |
| 51453 | Lohrville | 500 |
| 51454 | Manilla | 1,254 |
| 51455 | Manning | 2,279 |
| 51458 | Odebolt | 1,290 |
| 51459 | Ralston | 54 |
| 51460 | Ricketts | 61 |
| 51461 | Schleswig | 1,097 |
| 51462 | Scranton | 1,049 |
| 51463 | Templeton | 412 |
| 51465 | Vail | 689 |
| 51466 | Wall Lake | 1,043 |
| 51467 | Westside | 596 |
| 51501 | Council Bluffs | 34,618 |
| 51502 | Council Bluffs | — |
| 51503 | Council Bluffs | 37,972 |
| 51510 | Carter Lake | 3,767 |
| 51520 | Arion | 243 |
| 51521 | Avoca | 1,953 |
| 51523 | Blencoe | 379 |
| 51525 | Carson | 1,067 |
| 51526 | Crescent | 1,664 |
| 51527 | Defiance | 362 |
| 51528 | Dow City | 674 |
| 51529 | Dunlap | 1,732 |
| 51530 | Earling | 809 |
| 51531 | Elk Horn | 889 |
| 51532 | Elliott | 644 |
| 51533 | Emerson | 844 |
| 51534 | Glenwood | 8,874 |
| 51535 | Griswold | 1,697 |
| 51536 | Hancock | 613 |
| 51537 | Harlan | 6,382 |
| 51540 | Hastings | 372 |
| 51541 | Henderson | 273 |
| 51542 | Honey Creek | 802 |
| 51543 | Kimballton | 478 |
| 51544 | Lewis | 793 |
| 51545 | Little Sioux | 267 |
| 51546 | Logan | 3,114 |
| 51548 | Mc Clelland | 415 |
| 51549 | Macedonia | 363 |
| 51550 | Magnolia | 169 |
| 51551 | Malvern | 1,842 |
| 51552 | Marne | 169 |
| 51553 | Minden | 998 |
| 51554 | Mineola | 194 |
| 51555 | Missouri Valley | 4,952 |
| 51556 | Modale | 266 |
| 51557 | Mondamin | 828 |
| 51558 | Moorhead | 549 |
| 51559 | Neola | 1,841 |
| 51560 | Oakland | 1,772 |
| 51561 | Pacific Junction | 1,039 |
| 51562 | Panama | 506 |
| 51563 | Persia | 629 |
| 51564 | Pisgah | 520 |
| 51565 | Portsmouth | 516 |
| 51566 | Red Oak | 7,010 |
| 51570 | Shelby | 1,118 |
| 51571 | Silver City | 902 |
| 51572 | Soldier | 371 |
| 51573 | Stanton | 979 |
| 51575 | Treynor | 1,609 |
| 51576 | Underwood | 1,769 |
| 51577 | Walnut | 1,561 |
| 51578 | Westphalia | 116 |
| 51579 | Woodbine | 2,282 |
| 51591 | Red Oak | — |
| 51593 | Harlan | — |
| 51601 | Shenandoah | 5,629 |
| 51603 | Shenandoah | — |
| 51630 | Blanchard | 160 |
| 51631 | Braddyville | 324 |
| 51632 | Clarinda | 6,624 |
| 51636 | Coin | 455 |
| 51637 | College Springs | 171 |
| 51638 | Essex | 1,258 |
| 51639 | Farragut | 919 |
| 51640 | Hamburg | 1,381 |
| 51645 | Imogene | 419 |
| 51646 | New Market | 767 |
| 51647 | Northboro | 172 |
| 51648 | Percival | 257 |
| 51649 | Randolph | 346 |
| 51650 | Riverton | 197 |
| 51651 | Shambaugh | 103 |
| 51652 | Sidney | 1,569 |
| 51653 | Tabor | 1,446 |
| 51654 | Thurman | 325 |
| 51656 | Yorktown | 57 |
| 52001 | Dubuque | 43,101 |
| 52002 | Dubuque | 17,005 |
| 52003 | Dubuque | 13,796 |
| 52004 | Dubuque | — |
| 52030 | Andrew | 423 |
| 52031 | Bellevue | 5,403 |
| 52032 | Bernard | 1,305 |
| 52033 | Cascade | 3,292 |
| 52035 | Colesburg | 1,331 |
| 52036 | Delaware | 135 |
| 52037 | Delmar | 1,172 |
| 52038 | Dundee | 463 |
| 52039 | Durango | 1,079 |
| 52040 | Dyersville | 5,584 |
| 52041 | Earlville | 1,468 |
| 52042 | Edgewood | 1,804 |
| 52043 | Elkader | 2,058 |
| 52044 | Elkport | 297 |
| 52045 | Epworth | 2,777 |
| 52046 | Farley | 3,129 |
| 52047 | Farmersburg | 462 |
| 52048 | Garber | 201 |
| 52049 | Garnavillo | 1,370 |
| 52050 | Greeley | 422 |
| 52052 | Guttenberg | 2,999 |
| 52053 | Holy Cross | 1,148 |
| 52054 | La Motte | 794 |
| 52056 | Luxemburg | 229 |
| 52057 | Manchester | 8,193 |
| 52060 | Maquoketa | 8,007 |
| 52064 | Miles | 685 |
| 52065 | New Vienna | 671 |
| 52066 | North Buena Vista | 124 |
| 52068 | Peosta | 5,280 |
| 52069 | Preston | 1,743 |
| 52070 | Sabula | 990 |
| 52071 | Saint Donatus | 135 |
| 52072 | Saint Olaf | 454 |
| 52073 | Sherrill | 1,381 |
| 52074 | Spragueville | 119 |
| 52075 | Springbrook | 125 |
| 52076 | Strawberry Point | 2,258 |
| 52077 | Volga | 313 |
| 52078 | Worthington | 870 |
| 52079 | Zwingle | 995 |
| 52099 | Dubuque | — |
| 52101 | Decorah | 12,706 |
| 52132 | Calmar | 1,759 |
| 52133 | Castalia | 673 |
| 52134 | Chester | 223 |
| 52135 | Clermont | 834 |
| 52136 | Cresco | 5,840 |
| 52140 | Dorchester | 671 |
| 52141 | Elgin | 1,259 |
| 52142 | Fayette | 1,890 |
| 52144 | Fort Atkinson | 1,075 |
| 52146 | Harpers Ferry | 752 |
| 52147 | Hawkeye | 911 |
| 52149 | Highlandville | — |
| 52151 | Lansing | 1,886 |
| 52154 | Lawler | 592 |
| 52155 | Lime Springs | 1,110 |
| 52156 | Luana | 769 |
| 52157 | Mc Gregor | 1,451 |
| 52158 | Marquette | 290 |
| 52159 | Monona | 2,398 |
| 52160 | New Albin | 818 |
| 52161 | Ossian | 1,532 |
| 52162 | Postville | 3,744 |
| 52163 | Protivin | 333 |
| 52164 | Randalia | 187 |
| 52165 | Ridgeway | 1,098 |
| 52166 | Saint Lucas | 137 |
| 52168 | Spillville | 356 |
| 52169 | Wadena | 367 |
| 52170 | Waterville | 555 |
| 52171 | Waucoma | 1,314 |
| 52172 | Waukon | 5,877 |
| 52175 | West Union | 3,484 |
| 52201 | Ainsworth | 1,148 |
| 52202 | Alburnett | 1,269 |
| 52203 | Amana | 2,231 |
| 52204 | Amana | — |
| 52205 | Anamosa | 8,627 |
| 52206 | Atkins | 2,564 |
| 52207 | Baldwin | 256 |
| 52208 | Belle Plaine | 2,877 |
| 52209 | Blairstown | 1,158 |
| 52210 | Brandon | 958 |
| 52211 | Brooklyn | 2,795 |
| 52212 | Center Junction | 601 |
| 52213 | Center Point | 4,114 |
| 52214 | Central City | 2,761 |
| 52215 | Chelsea | 960 |
| 52216 | Clarence | 1,551 |
| 52217 | Clutier | 573 |
| 52218 | Coggon | 1,413 |
| 52219 | Prairieburg | 143 |
| 52220 | Conroy | 199 |
| 52221 | Guernsey | 332 |
| 52222 | Deep River | 631 |
| 52223 | Delhi | 1,199 |
| 52224 | Dysart | 2,141 |
| 52225 | Elberon | 387 |
| 52227 | Ely | 2,996 |
| 52228 | Fairfax | 3,802 |
| 52229 | Garrison | 678 |
| 52231 | Harper | 539 |
| 52232 | Hartwick | 277 |
| 52233 | Hiawatha | 7,000 |
| 52235 | Hills | 974 |
| 52236 | Homestead | 564 |
| 52237 | Hopkinton | 1,830 |
| 52240 | Iowa City | 35,074 |
| 52241 | Coralville | 23,250 |
| 52242 | Iowa City | 4,688 |
| 52243 | Iowa City | — |
| 52244 | Iowa City | — |
| 52245 | Iowa City | 22,853 |
| 52246 | Iowa City | 22,308 |
| 52247 | Kalona | 5,914 |
| 52248 | Keota | 1,675 |
| 52249 | Keystone | 1,060 |
| 52251 | Ladora | 544 |
| 52252 | Langworthy | 13 |
| 52253 | Lisbon | 2,622 |
| 52254 | Lost Nation | 1,004 |
| 52255 | Lowden | 980 |
| 52257 | Luzerne | 216 |
| 52301 | Marengo | 4,028 |
| 52302 | Marion | 42,706 |
| 52305 | Martelle | 913 |
| 52306 | Mechanicsville | 1,642 |
| 52307 | Middle Amana | 63 |
| 52308 | Millersburg | 129 |
| 52309 | Monmouth | 443 |
| 52310 | Monticello | 6,450 |
| 52312 | Morley | 46 |
| 52313 | Mount Auburn | 480 |
| 52314 | Mount Vernon | 6,200 |
| 52315 | Newhall | 1,339 |
| 52316 | North English | 1,597 |
| 52317 | North Liberty | 23,097 |
| 52318 | Norway | 1,099 |
| 52320 | Olin | 1,425 |
| 52321 | Onslow | 395 |
| 52322 | Oxford | 2,266 |
| 52323 | Oxford Junction | 942 |
| 52324 | Palo | 2,216 |
| 52325 | Parnell | 477 |
| 52326 | Quasqueton | 694 |
| 52327 | Riverside | 3,796 |
| 52328 | Robins | 2,712 |
| 52329 | Rowley | 671 |
| 52330 | Ryan | 940 |
| 52332 | Shellsburg | 1,612 |
| 52333 | Solon | 7,295 |
| 52334 | South Amana | 181 |
| 52335 | South English | 644 |
| 52336 | Springville | 2,397 |
| 52337 | Stanwood | 729 |
| 52338 | Swisher | 3,934 |
| 52339 | Tama | 4,326 |
| 52340 | Tiffin | 6,128 |
| 52341 | Toddville | 1,378 |
| 52342 | Toledo | 2,705 |
| 52344 | Troy Mills | 67 |
| 52345 | Urbana | 1,609 |
| 52346 | Van Horne | 1,113 |
| 52347 | Victor | 1,386 |
| 52348 | Vining | 66 |
| 52349 | Vinton | 7,737 |
| 52351 | Walford | 1,329 |
| 52352 | Walker | 1,833 |
| 52353 | Washington | 9,241 |
| 52354 | Watkins | 420 |
| 52355 | Webster | 283 |
| 52356 | Wellman | 2,664 |
| 52358 | West Branch | 3,598 |
| 52359 | West Chester | 308 |
| 52361 | Williamsburg | 4,582 |
| 52362 | Wyoming | 816 |
| 52401 | Cedar Rapids | 2,181 |
| 52402 | Cedar Rapids | 42,938 |
| 52403 | Cedar Rapids | 22,551 |
| 52404 | Cedar Rapids | 42,958 |
| 52405 | Cedar Rapids | 26,526 |
| 52406 | Cedar Rapids | — |
| 52407 | Cedar Rapids | — |
| 52408 | Cedar Rapids | — |
| 52409 | Cedar Rapids | — |
| 52410 | Cedar Rapids | — |
| 52411 | Cedar Rapids | 8,342 |
| 52497 | Cedar Rapids | — |
| 52498 | Cedar Rapids | — |
| 52499 | Cedar Rapids | — |
| 52501 | Ottumwa | 30,371 |
| 52530 | Agency | 945 |
| 52531 | Albia | 6,036 |
| 52533 | Batavia | 1,201 |
| 52534 | Beacon | 321 |
| 52535 | Birmingham | 725 |
| 52536 | Blakesburg | 814 |
| 52537 | Bloomfield | 7,069 |
| 52540 | Brighton | 1,088 |
| 52542 | Cantril | 588 |
| 52543 | Cedar | 541 |
| 52544 | Centerville | 8,121 |
| 52548 | Chillicothe | 83 |
| 52549 | Cincinnati | 487 |
| 52550 | Delta | 552 |
| 52551 | Douds | 782 |
| 52552 | Drakesville | 940 |
| 52553 | Eddyville | 1,846 |
| 52554 | Eldon | 1,078 |
| 52555 | Exline | 193 |
| 52556 | Fairfield | 11,448 |
| 52557 | Fairfield | 685 |
| 52560 | Floris | 458 |
| 52561 | Fremont | 1,112 |
| 52562 | Hayesville | 52 |
| 52563 | Hedrick | 1,602 |
| 52565 | Keosauqua | 1,518 |
| 52566 | Kirkville | 266 |
| 52567 | Libertyville | 506 |
| 52568 | Martinsburg | 80 |
| 52569 | Melrose | 550 |
| 52570 | Milton | 1,130 |
| 52571 | Moravia | 1,660 |
| 52572 | Moulton | 844 |
| 52573 | Mount Sterling | 148 |
| 52574 | Mystic | 377 |
| 52576 | Ollie | 371 |
| 52577 | Oskaloosa | 14,585 |
| 52580 | Packwood | 711 |
| 52581 | Plano | 168 |
| 52583 | Promise City | 389 |
| 52584 | Pulaski | 420 |
| 52585 | Richland | 838 |
| 52586 | Rose Hill | 600 |
| 52588 | Selma | 91 |
| 52590 | Seymour | 1,464 |
| 52591 | Sigourney | 2,721 |
| 52593 | Udell | 97 |
| 52594 | Unionville | 676 |
| 52595 | University Park | 545 |
| 52601 | Burlington | 27,341 |
| 52619 | Argyle | 441 |
| 52620 | Bonaparte | 1,097 |
| 52621 | Crawfordsville | 604 |
| 52623 | Danville | 1,982 |
| 52624 | Denmark | 734 |
| 52625 | Donnellson | 2,338 |
| 52626 | Farmington | 1,103 |
| 52627 | Fort Madison | 12,677 |
| 52630 | Hillsboro | 235 |
| 52631 | Houghton | 65 |
| 52632 | Keokuk | 11,711 |
| 52635 | Lockridge | 890 |
| 52637 | Mediapolis | 3,041 |
| 52638 | Middletown | 508 |
| 52639 | Montrose | 1,745 |
| 52640 | Morning Sun | 1,274 |
| 52641 | Mount Pleasant | 12,428 |
| 52642 | Rome | — |
| 52644 | Mount Union | 394 |
| 52645 | New London | 3,503 |
| 52646 | Oakville | 255 |
| 52647 | Olds | 72 |
| 52648 | Pilot Grove | — |
| 52649 | Salem | 913 |
| 52650 | Sperry | 799 |
| 52651 | Stockport | 398 |
| 52652 | Swedesburg | 119 |
| 52653 | Wapello | 3,083 |
| 52654 | Wayland | 1,884 |
| 52655 | West Burlington | 4,322 |
| 52656 | West Point | 1,833 |
| 52657 | Saint Paul | 65 |
| 52658 | Wever | 927 |
| 52659 | Winfield | 1,329 |
| 52660 | Yarmouth | 279 |
| 52701 | Andover | 124 |
| 52720 | Atalissa | 964 |
| 52721 | Bennett | 809 |
| 52722 | Bettendorf | 41,264 |
| 52726 | Blue Grass | 5,160 |
| 52727 | Bryant | 398 |
| 52728 | Buffalo | 984 |
| 52729 | Calamus | 886 |
| 52730 | Camanche | 4,776 |
| 52731 | Charlotte | 867 |
| 52732 | Clinton | 25,880 |
| 52733 | Clinton | — |
| 52734 | Clinton | — |
| 52736 | Clinton | — |
| 52737 | Columbus City | 323 |
| 52738 | Columbus Junction | 3,398 |
| 52739 | Conesville | 788 |
| 52742 | De Witt | 7,284 |
| 52745 | Dixon | 443 |
| 52746 | Donahue | 1,240 |
| 52747 | Durant | 2,160 |
| 52748 | Eldridge | 9,594 |
| 52749 | Fruitland | 1,049 |
| 52750 | Goose Lake | 654 |
| 52751 | Grand Mound | 976 |
| 52752 | Grandview | 413 |
| 52753 | Le Claire | 6,020 |
| 52754 | Letts | 1,533 |
| 52755 | Lone Tree | 2,092 |
| 52756 | Long Grove | 1,982 |
| 52757 | Low Moor | 242 |
| 52758 | Mc Causland | 298 |
| 52759 | Montpelier | 167 |
| 52760 | Moscow | 992 |
| 52761 | Muscatine | 29,474 |
| 52765 | New Liberty | 427 |
| 52766 | Nichols | 677 |
| 52767 | Pleasant Valley | 386 |
| 52768 | Princeton | 1,352 |
| 52769 | Stockton | 698 |
| 52771 | Teeds Grove | 56 |
| 52772 | Tipton | 5,348 |
| 52773 | Walcott | 2,389 |
| 52774 | Welton | 101 |
| 52776 | West Liberty | 5,090 |
| 52777 | Wheatland | 1,389 |
| 52778 | Wilton | 3,632 |
| 52801 | Davenport | 1,788 |
| 52802 | Davenport | 9,466 |
| 52803 | Davenport | 22,742 |
| 52804 | Davenport | 26,835 |
| 52805 | Davenport | — |
| 52806 | Davenport | 26,871 |
| 52807 | Davenport | 15,617 |
| 52808 | Davenport | — |
| 52809 | Davenport | — |
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