ZIP 21131 vs ZIP 21140
A side-by-side comparison of ZIP Code 21131 and ZIP Code 21140: population, income, housing, and more.
ZIP 21131 and ZIP 21140 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21131 has the higher population (7,050 vs 4,231 in ZIP 21140). ZIP 21131 has the higher median household income ($187,250 vs $152,188 in ZIP 21140). ZIP 21131 has the higher median home value ($662,900 vs $598,200 in ZIP 21140).
Population, income & housing
| ZIP 21131 | ZIP 21140 | |
|---|---|---|
| Population | 7,050 | 4,231 |
| Median age | 48.5 yrs | 44.2 yrs |
| Median household income | $187,250 | $152,188 |
| Median home value | $662,900 | $598,200 |
| Median gross rent | — | $2,071 |
| Housing units | 2,622 | 1,470 |
| Homeownership rate | 98.9% | 97.6% |
| Bachelor's degree or higher | 71.7% | 51.7% |
| Unemployment rate | 4.3% | 0.7% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21131 | ZIP 21140 | |
|---|---|---|
| Population | 7,282 → 7,050 (-3.2%) | 3,564 → 4,231 (+18.7%) |
| Median household income | $144,570 → $187,250 (+29.5%) | $120,577 → $152,188 (+26.2%) |
| Median home value | $552,900 → $662,900 (+19.9%) | $472,000 → $598,200 (+26.7%) |
| Median gross rent | $1,840 → $2,100 (+14.1%) | $1,685 → $2,071 (+22.9%) |
ZIP 21131
7,2827,050
$144,570$187,250
$552,900$662,900
$1,840$2,100
ZIP 21140
3,5644,231
$120,577$152,188
$472,000$598,200
$1,685$2,071
Age & race/ethnicity
Age distribution (share)
| ZIP 21131 | ZIP 21140 | |
|---|---|---|
| Under 5 | 4.8% | 5.2% |
| 5 to 17 | 17.4% | 20.8% |
| 18 to 24 | 4.9% | 3.2% |
| 25 to 34 | 5.8% | 8.2% |
| 35 to 44 | 13.7% | 13.5% |
| 45 to 54 | 14.0% | 12.6% |
| 55 to 64 | 17.1% | 11.3% |
| 65 to 74 | 13.6% | 17.8% |
| 75 and over | 8.7% | 7.4% |
Race & ethnicity (share)
| ZIP 21131 | ZIP 21140 | |
|---|---|---|
| White (non-Hispanic) | 92.9% | 87.4% |
| Black or African American | 0.2% | 0.3% |
| American Indian & Alaska Native | 0.1% | 0.0% |
| Asian | 1.6% | 0.5% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.8% | 0.4% |
| Two or more races | 1.9% | 3.0% |
| Hispanic or Latino | 2.5% | 8.3% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21131 | ZIP 21140 | |
|---|---|---|
| No high school diploma | 1.7% | 1.4% |
| High school graduate | 15.5% | 15.5% |
| Some college or associate's | 11.0% | 31.3% |
| Bachelor's degree | 37.5% | 29.0% |
| Graduate or professional degree | 34.3% | 22.7% |
Commute to work
How workers get to work (share)
| ZIP 21131 | ZIP 21140 | |
|---|---|---|
| Drove alone | 68.5% | 68.9% |
| Carpooled | 10.7% | 3.3% |
| Public transit | 0.0% | 1.4% |
| Walked | 1.8% | 0.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 19.0% | 22.9% |
| Other means | 0.0% | 3.4% |
Housing
Units in structure (share)
| ZIP 21131 | ZIP 21140 | |
|---|---|---|
| 1-unit, detached | 98.7% | 94.6% |
| 1-unit, attached | 1.3% | 5.4% |
| 2 to 4 units | 0.0% | 0.0% |
| 5 to 19 units | 0.0% | 0.0% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 0.0% | 0.0% |
Poverty & households
| ZIP 21131 | ZIP 21140 | |
|---|---|---|
| Poverty rate | 3.4% | 0.8% |
| Average household size | 2.86 | 2.95 |
| Mean commute (minutes) | 30 | 33 |
| Median year structure built | 1977 | 1979 |