ZIP 21651 vs ZIP 21657
A side-by-side comparison of ZIP Code 21651 and ZIP Code 21657: population, income, housing, and more.
ZIP 21651 and ZIP 21657 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21651 has the higher population (2,448 vs 1,533 in ZIP 21657). ZIP 21657 has the higher median household income ($106,588 vs $71,983 in ZIP 21651). ZIP 21657 has the higher median home value ($354,400 vs $259,500 in ZIP 21651).
Population, income & housing
| ZIP 21651 | ZIP 21657 | |
|---|---|---|
| Population | 2,448 | 1,533 |
| Median age | 37.6 yrs | 49.2 yrs |
| Median household income | $71,983 | $106,588 |
| Median home value | $259,500 | $354,400 |
| Median gross rent | $1,245 | $1,750 |
| Housing units | 1,142 | 558 |
| Homeownership rate | 81.1% | 85.0% |
| Bachelor's degree or higher | 17.0% | 21.7% |
| Unemployment rate | 3.1% | 1.7% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21651 | ZIP 21657 | |
|---|---|---|
| Population | 2,894 → 2,448 (-15.4%) | 910 → 1,533 (+68.5%) |
| Median household income | $60,246 → $71,983 (+19.5%) | $111,250 → $106,588 (-4.2%) |
| Median home value | $222,500 → $259,500 (+16.6%) | $297,600 → $354,400 (+19.1%) |
| Median gross rent | $1,058 → $1,245 (+17.7%) | $1,775 → $1,750 (-1.4%) |
ZIP 21651
2,8942,448
$60,246$71,983
$222,500$259,500
$1,058$1,245
ZIP 21657
9101,533
$111,250$106,588
$297,600$354,400
$1,775$1,750
Age & race/ethnicity
Age distribution (share)
| ZIP 21651 | ZIP 21657 | |
|---|---|---|
| Under 5 | 6.8% | 4.9% |
| 5 to 17 | 16.3% | 16.9% |
| 18 to 24 | 9.3% | 7.8% |
| 25 to 34 | 15.3% | 8.3% |
| 35 to 44 | 7.9% | 11.1% |
| 45 to 54 | 13.7% | 8.9% |
| 55 to 64 | 13.6% | 11.2% |
| 65 to 74 | 12.0% | 25.4% |
| 75 and over | 5.1% | 5.5% |
Race & ethnicity (share)
| ZIP 21651 | ZIP 21657 | |
|---|---|---|
| White (non-Hispanic) | 75.8% | 72.5% |
| Black or African American | 11.2% | 9.0% |
| American Indian & Alaska Native | 0.1% | 0.2% |
| Asian | 0.2% | 0.7% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 1.3% | 5.1% |
| Hispanic or Latino | 11.4% | 12.6% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21651 | ZIP 21657 | |
|---|---|---|
| No high school diploma | 9.7% | 23.2% |
| High school graduate | 46.2% | 25.2% |
| Some college or associate's | 27.1% | 29.9% |
| Bachelor's degree | 9.4% | 14.8% |
| Graduate or professional degree | 7.6% | 6.9% |
Commute to work
How workers get to work (share)
| ZIP 21651 | ZIP 21657 | |
|---|---|---|
| Drove alone | 86.9% | 81.8% |
| Carpooled | 6.5% | 10.6% |
| Public transit | 1.6% | 0.8% |
| Walked | 1.9% | 0.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 2.7% | 6.8% |
| Other means | 0.2% | 0.0% |
Housing
Units in structure (share)
| ZIP 21651 | ZIP 21657 | |
|---|---|---|
| 1-unit, detached | 95.2% | 95.0% |
| 1-unit, attached | 0.5% | 0.0% |
| 2 to 4 units | 1.2% | 1.8% |
| 5 to 19 units | 1.1% | 0.9% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 1.9% | 2.3% |
Poverty & households
| ZIP 21651 | ZIP 21657 | |
|---|---|---|
| Poverty rate | 8.7% | 7.3% |
| Average household size | 2.42 | 2.83 |
| Mean commute (minutes) | 37 | 38 |
| Median year structure built | 1981 | 1975 |