ZIP 21657 vs ZIP 21663
A side-by-side comparison of ZIP Code 21657 and ZIP Code 21663: population, income, housing, and more.
ZIP 21657 and ZIP 21663 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21663 has the higher population (3,745 vs 1,533 in ZIP 21657). ZIP 21657 has the higher median household income ($106,588 vs $81,932 in ZIP 21663). ZIP 21663 has the higher median home value ($633,300 vs $354,400 in ZIP 21657).
Population, income & housing
| ZIP 21657 | ZIP 21663 | |
|---|---|---|
| Population | 1,533 | 3,745 |
| Median age | 49.2 yrs | 52.9 yrs |
| Median household income | $106,588 | $81,932 |
| Median home value | $354,400 | $633,300 |
| Median gross rent | $1,750 | $993 |
| Housing units | 558 | 2,110 |
| Homeownership rate | 85.0% | 78.7% |
| Bachelor's degree or higher | 21.7% | 49.5% |
| Unemployment rate | 1.7% | 4.9% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21657 | ZIP 21663 | |
|---|---|---|
| Population | 910 → 1,533 (+68.5%) | 3,424 → 3,745 (+9.4%) |
| Median household income | $111,250 → $106,588 (-4.2%) | $78,828 → $81,932 (+3.9%) |
| Median home value | $297,600 → $354,400 (+19.1%) | $480,800 → $633,300 (+31.7%) |
| Median gross rent | $1,775 → $1,750 (-1.4%) | $996 → $993 (-0.3%) |
ZIP 21657
9101,533
$111,250$106,588
$297,600$354,400
$1,775$1,750
ZIP 21663
3,4243,745
$78,828$81,932
$480,800$633,300
$996$993
Age & race/ethnicity
Age distribution (share)
| ZIP 21657 | ZIP 21663 | |
|---|---|---|
| Under 5 | 4.9% | 1.5% |
| 5 to 17 | 16.9% | 16.2% |
| 18 to 24 | 7.8% | 5.4% |
| 25 to 34 | 8.3% | 5.8% |
| 35 to 44 | 11.1% | 10.0% |
| 45 to 54 | 8.9% | 13.6% |
| 55 to 64 | 11.2% | 13.6% |
| 65 to 74 | 25.4% | 19.9% |
| 75 and over | 5.5% | 14.0% |
Race & ethnicity (share)
| ZIP 21657 | ZIP 21663 | |
|---|---|---|
| White (non-Hispanic) | 72.5% | 74.6% |
| Black or African American | 9.0% | 10.2% |
| American Indian & Alaska Native | 0.2% | 0.0% |
| Asian | 0.7% | 0.4% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 5.1% | 4.2% |
| Hispanic or Latino | 12.6% | 10.6% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21657 | ZIP 21663 | |
|---|---|---|
| No high school diploma | 23.2% | 9.4% |
| High school graduate | 25.2% | 16.9% |
| Some college or associate's | 29.9% | 24.1% |
| Bachelor's degree | 14.8% | 28.0% |
| Graduate or professional degree | 6.9% | 21.5% |
Commute to work
How workers get to work (share)
| ZIP 21657 | ZIP 21663 | |
|---|---|---|
| Drove alone | 81.8% | 75.2% |
| Carpooled | 10.6% | 5.8% |
| Public transit | 0.8% | 0.3% |
| Walked | 0.0% | 6.2% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 6.8% | 11.7% |
| Other means | 0.0% | 0.8% |
Housing
Units in structure (share)
| ZIP 21657 | ZIP 21663 | |
|---|---|---|
| 1-unit, detached | 95.0% | 79.4% |
| 1-unit, attached | 0.0% | 8.2% |
| 2 to 4 units | 1.8% | 6.5% |
| 5 to 19 units | 0.9% | 4.4% |
| 20 or more units | 0.0% | 1.5% |
| Mobile home & other | 2.3% | 0.0% |
Poverty & households
| ZIP 21657 | ZIP 21663 | |
|---|---|---|
| Poverty rate | 7.3% | 5.7% |
| Average household size | 2.83 | 2.31 |
| Mean commute (minutes) | 38 | 24 |
| Median year structure built | 1975 | 1980 |