ZIP 21030 vs ZIP 21040
A side-by-side comparison of ZIP Code 21030 and ZIP Code 21040: population, income, housing, and more.
ZIP 21030 and ZIP 21040 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21030 has the higher population (25,312 vs 25,290 in ZIP 21040). ZIP 21030 has the higher median household income ($97,875 vs $86,925 in ZIP 21040). ZIP 21030 has the higher median home value ($435,500 vs $231,100 in ZIP 21040).
Population, income & housing
| ZIP 21030 | ZIP 21040 | |
|---|---|---|
| Population | 25,312 | 25,290 |
| Median age | 36.8 yrs | 36.8 yrs |
| Median household income | $97,875 | $86,925 |
| Median home value | $435,500 | $231,100 |
| Median gross rent | $1,600 | $1,420 |
| Housing units | 11,341 | 10,211 |
| Homeownership rate | 43.8% | 68.6% |
| Bachelor's degree or higher | 53.5% | 23.2% |
| Unemployment rate | 5.0% | 8.3% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21030 | ZIP 21040 | |
|---|---|---|
| Population | 24,396 → 25,312 (+3.8%) | 24,166 → 25,290 (+4.7%) |
| Median household income | $71,256 → $97,875 (+37.4%) | $66,727 → $86,925 (+30.3%) |
| Median home value | $384,900 → $435,500 (+13.1%) | $173,900 → $231,100 (+32.9%) |
| Median gross rent | $1,249 → $1,600 (+28.1%) | $1,229 → $1,420 (+15.5%) |
ZIP 21030
24,39625,312
$71,256$97,875
$384,900$435,500
$1,249$1,600
ZIP 21040
24,16625,290
$66,727$86,925
$173,900$231,100
$1,229$1,420
Age & race/ethnicity
Age distribution (share)
| ZIP 21030 | ZIP 21040 | |
|---|---|---|
| Under 5 | 4.6% | 6.2% |
| 5 to 17 | 15.3% | 17.8% |
| 18 to 24 | 8.6% | 10.0% |
| 25 to 34 | 19.3% | 14.2% |
| 35 to 44 | 11.9% | 13.1% |
| 45 to 54 | 14.4% | 13.3% |
| 55 to 64 | 9.9% | 11.8% |
| 65 to 74 | 9.3% | 10.2% |
| 75 and over | 6.7% | 3.4% |
Race & ethnicity (share)
| ZIP 21030 | ZIP 21040 | |
|---|---|---|
| White (non-Hispanic) | 55.6% | 36.0% |
| Black or African American | 15.8% | 45.0% |
| American Indian & Alaska Native | 0.1% | 0.0% |
| Asian | 7.8% | 1.5% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.3% | 0.3% |
| Two or more races | 5.6% | 7.7% |
| Hispanic or Latino | 14.9% | 9.6% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21030 | ZIP 21040 | |
|---|---|---|
| No high school diploma | 7.4% | 5.8% |
| High school graduate | 19.5% | 35.1% |
| Some college or associate's | 19.6% | 35.9% |
| Bachelor's degree | 32.5% | 12.5% |
| Graduate or professional degree | 20.9% | 10.7% |
Commute to work
How workers get to work (share)
| ZIP 21030 | ZIP 21040 | |
|---|---|---|
| Drove alone | 74.8% | 74.8% |
| Carpooled | 6.6% | 10.9% |
| Public transit | 1.4% | 1.6% |
| Walked | 0.6% | 1.5% |
| Bicycle | 0.0% | 0.1% |
| Worked from home | 14.2% | 9.3% |
| Other means | 2.4% | 1.8% |
Housing
Units in structure (share)
| ZIP 21030 | ZIP 21040 | |
|---|---|---|
| 1-unit, detached | 31.2% | 42.4% |
| 1-unit, attached | 12.6% | 32.7% |
| 2 to 4 units | 3.3% | 6.0% |
| 5 to 19 units | 45.1% | 11.4% |
| 20 or more units | 7.8% | 2.7% |
| Mobile home & other | 0.0% | 4.7% |
Poverty & households
| ZIP 21030 | ZIP 21040 | |
|---|---|---|
| Poverty rate | 11.7% | 10.9% |
| Average household size | 2.30 | 2.56 |
| Mean commute (minutes) | 26 | 31 |
| Median year structure built | 1978 | 1983 |