ZIP 21842 vs ZIP 21851
A side-by-side comparison of ZIP Code 21842 and ZIP Code 21851: population, income, housing, and more.
ZIP 21842 and ZIP 21851 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21842 has the higher population (11,121 vs 7,252 in ZIP 21851). ZIP 21842 has the higher median household income ($75,372 vs $50,847 in ZIP 21851). ZIP 21842 has the higher median home value ($415,900 vs $186,700 in ZIP 21851).
Population, income & housing
| ZIP 21842 | ZIP 21851 | |
|---|---|---|
| Population | 11,121 | 7,252 |
| Median age | 53.7 yrs | 44.4 yrs |
| Median household income | $75,372 | $50,847 |
| Median home value | $415,900 | $186,700 |
| Median gross rent | $1,258 | $828 |
| Housing units | 32,684 | 3,547 |
| Homeownership rate | 73.6% | 65.3% |
| Bachelor's degree or higher | 39.3% | 19.7% |
| Unemployment rate | 7.3% | 10.3% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21842 | ZIP 21851 | |
|---|---|---|
| Population | 10,655 → 11,121 (+4.4%) | 6,949 → 7,252 (+4.4%) |
| Median household income | $55,064 → $75,372 (+36.9%) | $41,896 → $50,847 (+21.4%) |
| Median home value | $308,400 → $415,900 (+34.9%) | $146,600 → $186,700 (+27.4%) |
| Median gross rent | $1,078 → $1,258 (+16.7%) | $836 → $828 (-1.0%) |
ZIP 21842
10,65511,121
$55,064$75,372
$308,400$415,900
$1,078$1,258
ZIP 21851
6,9497,252
$41,896$50,847
$146,600$186,700
$836$828
Age & race/ethnicity
Age distribution (share)
| ZIP 21842 | ZIP 21851 | |
|---|---|---|
| Under 5 | 4.7% | 6.0% |
| 5 to 17 | 8.4% | 13.2% |
| 18 to 24 | 7.8% | 10.0% |
| 25 to 34 | 10.7% | 11.3% |
| 35 to 44 | 8.8% | 10.8% |
| 45 to 54 | 11.0% | 16.3% |
| 55 to 64 | 20.4% | 12.3% |
| 65 to 74 | 18.1% | 11.1% |
| 75 and over | 10.0% | 8.9% |
Race & ethnicity (share)
| ZIP 21842 | ZIP 21851 | |
|---|---|---|
| White (non-Hispanic) | 85.9% | 53.7% |
| Black or African American | 2.5% | 36.8% |
| American Indian & Alaska Native | 0.2% | 0.0% |
| Asian | 0.7% | 2.1% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 1.1% | 0.0% |
| Two or more races | 1.7% | 5.5% |
| Hispanic or Latino | 7.9% | 2.0% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21842 | ZIP 21851 | |
|---|---|---|
| No high school diploma | 4.9% | 7.7% |
| High school graduate | 28.4% | 35.7% |
| Some college or associate's | 27.4% | 36.8% |
| Bachelor's degree | 24.0% | 12.1% |
| Graduate or professional degree | 15.4% | 7.7% |
Commute to work
How workers get to work (share)
| ZIP 21842 | ZIP 21851 | |
|---|---|---|
| Drove alone | 74.6% | 78.0% |
| Carpooled | 3.6% | 12.9% |
| Public transit | 0.9% | 0.8% |
| Walked | 3.6% | 0.0% |
| Bicycle | 3.0% | 0.0% |
| Worked from home | 12.6% | 7.1% |
| Other means | 1.7% | 1.3% |
Housing
Units in structure (share)
| ZIP 21842 | ZIP 21851 | |
|---|---|---|
| 1-unit, detached | 15.1% | 79.4% |
| 1-unit, attached | 12.9% | 5.4% |
| 2 to 4 units | 5.5% | 3.5% |
| 5 to 19 units | 20.2% | 5.4% |
| 20 or more units | 42.6% | 2.9% |
| Mobile home & other | 3.6% | 3.5% |
Poverty & households
| ZIP 21842 | ZIP 21851 | |
|---|---|---|
| Poverty rate | 8.2% | 9.8% |
| Average household size | 1.91 | 2.31 |
| Mean commute (minutes) | 19 | 26 |
| Median year structure built | 1983 | 1972 |