21778 ZIP Code – Rocky Ridge, Maryland
21778 is a small ZIP code in Rocky Ridge, Maryland, part of Frederick County with a population of approximately 880 residents. Residents earn a median household income of $76,063, which is below the Maryland average and near the national figure. The median home value of $373,100 is above the national average, with 81.3% owner-occupied housing (decreasing). Housing consists of 98% single-family (increasing).
An estimated 23.1% of adults hold a bachelor's degree or higher, near the national average. The median age is 51.8, above the national median. ZIP codes in the surrounding area include 21757, 21788, 21727.
ZIP Code 21778 Data
Population
880
Median Household Income
$76,063
Median Home Value
$373,100
Median Rent
Not provided
Median Age
51.8
Unemployment Rate
0.0%
Poverty Rate
0.0%
Bachelor's Degree or Higher
23.1%
County
Frederick County
State
Maryland
See more demographics for:
ZIP 21778 vs. Maryland vs. U.S.
| Metric | ZIP 21778 | MD Avg. | U.S. Avg. |
|---|---|---|---|
| Population | 880 | 13k | 10k |
| Median Household Income | $76k | $107k | $73k |
| Median Home Value | $373k | $404k | $258k |
| Median Rent | — | $1,552 | $1,088 |
| Median Age | 51.8 | 43.5 | 43.2 |
| Unemployment Rate | 0.0% | 5.0% | 5.0% |
| Poverty Rate | 0.0% | 9.4% | 13.3% |
| Bachelor's Degree or Higher | 23.1% | 37.6% | 26.9% |
Demographics Charts
Race & Ethnicity
Gender
Education Level (adults 25+)
Nearby ZIP Codes
- 21757 – Keymar
- 21788 – Thurmont
- 21727 – Emmitsburg
- 21798 – Woodsboro
- 21780 – Sabillasville
- 21793 – Walkersville
- 21791 – Union Bridge
- 21787 – Taneytown
- 21762 – Libertytown
- 21719 – Cascade
Nearby ZIP Code Comparison
| ZIP Code | City | Population | Median Income |
|---|---|---|---|
| 21757 | KEYMAR | 2,722 | $96,250 |
| 21788 | THURMONT | 11,412 | $90,091 |
| 21727 | EMMITSBURG | 6,588 | $82,636 |
| 21798 | WOODSBORO | 2,699 | $120,732 |
| 21780 | SABILLASVILLE | 1,975 | $62,043 |