ZIP code 21778: Rocky Ridge, MD
Frederick County, Maryland · time zone America/New_York · 39.6057, -77.3296
745population
58.4median age
$76,458median household income
$54,798per-capita income
$382,100median home value
—median gross rent / month
81.3%owner-occupied homes
332housing units
41 / sq mipopulation density
Location
| City | Rocky Ridge |
|---|---|
| County | Frederick County (FIPS 24021) |
| Share of ZIP area by county | 24021 100% |
| Land area | 18.241 sq mi |
| Water area | 0.366 sq mi |
More ZIP codes in Maryland · federal spending in Frederick County. JSON: /api/zip/21778.json
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