21757 ZIP Code – Keymar, Maryland
21757 is a ZIP code serving Keymar, Maryland in Frederick County with a population of approximately 2,722 residents. At $96,250, the median household income here runs near the Maryland average and above the U.S. average. At $425,000, median home values run well above the national average, with 82.4% owner-occupied housing (increasing). ; median rent of $1,331 is similarly above the national average. Housing consists of 94% single-family (decreasing).
The area reports an unemployment rate of 2.9%, well below the national average. About 1.3% of residents live below the poverty line, well below the national rate. 26.9% of adults hold a bachelor's degree or higher, near the U.S. average. Residents have a median age of 42.2, near the U.S. median. The surrounding area includes ZIP codes 21778, 21798, 21791.
ZIP Code 21757 Data
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ZIP 21757 vs. Maryland vs. U.S.
| Metric | ZIP 21757 | MD Avg. | U.S. Avg. |
|---|---|---|---|
| Population | 2,722 | 13k | 10k |
| Median Household Income | $96k | $107k | $73k |
| Median Home Value | $425k | $404k | $258k |
| Median Rent | $1,331 | $1,552 | $1,088 |
| Median Age | 42.2 | 43.5 | 43.2 |
| Unemployment Rate | 2.9% | 5.0% | 5.0% |
| Poverty Rate | 1.3% | 9.4% | 13.3% |
| Bachelor's Degree or Higher | 26.9% | 37.6% | 26.9% |
Demographics Charts
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Nearby ZIP Codes
- 21778 – Rocky Ridge
- 21798 – Woodsboro
- 21791 – Union Bridge
- 21787 – Taneytown
- 21727 – Emmitsburg
- 21762 – Libertytown
- 21788 – Thurmont
- 21793 – Walkersville
- 21776 – New Windsor
- 21701 – Frederick
Nearby ZIP Code Comparison
| ZIP Code | City | Population | Median Income |
|---|---|---|---|
| 21778 | ROCKY RIDGE | 880 | $76,063 |
| 21798 | WOODSBORO | 2,699 | $120,732 |
| 21791 | UNION BRIDGE | 4,855 | $88,984 |
| 21787 | TANEYTOWN | 10,879 | $83,669 |
| 21727 | EMMITSBURG | 6,588 | $82,636 |