ZIP 21120 vs ZIP 21128
A side-by-side comparison of ZIP Code 21120 and ZIP Code 21128: population, income, housing, and more.
ZIP 21120 and ZIP 21128 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21128 has the higher population (14,954 vs 7,286 in ZIP 21120). ZIP 21120 has the higher median household income ($157,275 vs $123,191 in ZIP 21128). ZIP 21120 has the higher median home value ($552,400 vs $424,200 in ZIP 21128).
Population, income & housing
| ZIP 21120 | ZIP 21128 | |
|---|---|---|
| Population | 7,286 | 14,954 |
| Median age | 41.4 yrs | 40.6 yrs |
| Median household income | $157,275 | $123,191 |
| Median home value | $552,400 | $424,200 |
| Median gross rent | $1,338 | $1,644 |
| Housing units | 2,589 | 5,811 |
| Homeownership rate | 94.9% | 83.6% |
| Bachelor's degree or higher | 62.0% | 54.1% |
| Unemployment rate | 2.2% | 2.6% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21120 | ZIP 21128 | |
|---|---|---|
| Population | 7,095 → 7,286 (+2.7%) | 13,985 → 14,954 (+6.9%) |
| Median household income | $114,881 → $157,275 (+36.9%) | $100,417 → $123,191 (+22.7%) |
| Median home value | $456,600 → $552,400 (+21.0%) | $328,300 → $424,200 (+29.2%) |
| Median gross rent | $1,599 → $1,338 (-16.3%) | $1,422 → $1,644 (+15.6%) |
ZIP 21120
7,0957,286
$114,881$157,275
$456,600$552,400
$1,599$1,338
ZIP 21128
13,98514,954
$100,417$123,191
$328,300$424,200
$1,422$1,644
Age & race/ethnicity
Age distribution (share)
| ZIP 21120 | ZIP 21128 | |
|---|---|---|
| Under 5 | 7.6% | 4.2% |
| 5 to 17 | 19.4% | 17.8% |
| 18 to 24 | 3.5% | 7.3% |
| 25 to 34 | 9.3% | 13.0% |
| 35 to 44 | 14.6% | 12.8% |
| 45 to 54 | 12.8% | 14.0% |
| 55 to 64 | 15.5% | 13.6% |
| 65 to 74 | 12.0% | 10.3% |
| 75 and over | 5.3% | 7.0% |
Race & ethnicity (share)
| ZIP 21120 | ZIP 21128 | |
|---|---|---|
| White (non-Hispanic) | 86.8% | 66.1% |
| Black or African American | 1.4% | 9.0% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 3.0% | 15.7% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 1.2% | 0.2% |
| Two or more races | 3.0% | 2.7% |
| Hispanic or Latino | 4.6% | 6.3% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21120 | ZIP 21128 | |
|---|---|---|
| No high school diploma | 2.5% | 6.1% |
| High school graduate | 16.2% | 19.6% |
| Some college or associate's | 19.3% | 20.2% |
| Bachelor's degree | 36.1% | 32.6% |
| Graduate or professional degree | 25.9% | 21.6% |
Commute to work
How workers get to work (share)
| ZIP 21120 | ZIP 21128 | |
|---|---|---|
| Drove alone | 69.1% | 71.8% |
| Carpooled | 6.2% | 6.8% |
| Public transit | 1.3% | 3.5% |
| Walked | 0.0% | 2.5% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 22.9% | 13.0% |
| Other means | 0.5% | 2.4% |
Housing
Units in structure (share)
| ZIP 21120 | ZIP 21128 | |
|---|---|---|
| 1-unit, detached | 97.6% | 56.6% |
| 1-unit, attached | 1.1% | 18.4% |
| 2 to 4 units | 1.1% | 1.0% |
| 5 to 19 units | 0.0% | 18.5% |
| 20 or more units | 0.0% | 5.5% |
| Mobile home & other | 0.2% | 0.0% |
Poverty & households
| ZIP 21120 | ZIP 21128 | |
|---|---|---|
| Poverty rate | 2.7% | 4.1% |
| Average household size | 2.84 | 2.75 |
| Mean commute (minutes) | 35 | 32 |
| Median year structure built | 1986 | 2000 |