ZIP 20621 vs ZIP 20630
A side-by-side comparison of ZIP Code 20621 and ZIP Code 20630: population, income, housing, and more.
ZIP 20621 and ZIP 20630 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 20621 has the higher population (902 vs 346 in ZIP 20630). ZIP 20630 has the higher median home value ($584,600 vs $562,500 in ZIP 20621). Since 2019, ZIP 20630's population has grown faster (+15.0% vs -6.0%).
Population, income & housing
| ZIP 20621 | ZIP 20630 | |
|---|---|---|
| Population | 902 | 346 |
| Median age | 60.2 yrs | 56.7 yrs |
| Median household income | — | $227,581 |
| Median home value | $562,500 | $584,600 |
| Housing units | 636 | 188 |
| Homeownership rate | 97.5% | 68.1% |
| Bachelor's degree or higher | 8.5% | 68.5% |
| Unemployment rate | 4.3% | 8.3% |
Trends (ACS 5-year, 2019–2023)
| ZIP 20621 | ZIP 20630 | |
|---|---|---|
| Population | 960 → 902 (-6.0%) | 301 → 346 (+15.0%) |
| Median household income | $70,278 → $47,978 (-31.7%) | $96,875 → $227,581 (+134.9%) |
| Median home value | $443,200 → $562,500 (+26.9%) | $534,100 → $584,600 (+9.5%) |
ZIP 20621
960902
$70,278$47,978
$443,200$562,500
ZIP 20630
301346
$96,875$227,581
$534,100$584,600
Age & race/ethnicity
Age distribution (share)
| ZIP 20621 | ZIP 20630 | |
|---|---|---|
| Under 5 | 0.0% | 0.0% |
| 5 to 17 | 7.4% | 8.4% |
| 18 to 24 | 8.0% | 9.0% |
| 25 to 34 | 2.2% | 0.0% |
| 35 to 44 | 7.9% | 0.0% |
| 45 to 54 | 17.8% | 19.7% |
| 55 to 64 | 32.5% | 23.1% |
| 65 to 74 | 10.8% | 25.1% |
| 75 and over | 13.4% | 14.7% |
Race & ethnicity (share)
| ZIP 20621 | ZIP 20630 | |
|---|---|---|
| White (non-Hispanic) | 92.5% | 64.2% |
| Black or African American | 7.5% | 31.2% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 0.0% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 0.0% | 4.6% |
| Hispanic or Latino | 0.0% | 0.0% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 20621 | ZIP 20630 | |
|---|---|---|
| No high school diploma | 6.4% | 7.3% |
| High school graduate | 62.3% | 3.5% |
| Some college or associate's | 22.8% | 20.6% |
| Bachelor's degree | 3.8% | 17.5% |
| Graduate or professional degree | 4.7% | 51.0% |
Commute to work
How workers get to work (share)
| ZIP 20621 | ZIP 20630 | |
|---|---|---|
| Drove alone | 89.9% | 17.1% |
| Carpooled | 2.1% | 15.6% |
| Public transit | 0.0% | 0.0% |
| Walked | 0.0% | 0.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 8.1% | 67.3% |
| Other means | 0.0% | 0.0% |
Housing
Units in structure (share)
| ZIP 20621 | ZIP 20630 | |
|---|---|---|
| 1-unit, detached | 100.0% | 100.0% |
| 1-unit, attached | 0.0% | 0.0% |
| 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 20621 | ZIP 20630 | |
|---|---|---|
| Poverty rate | 12.2% | 0.0% |
| Average household size | 2.06 | 1.84 |
| Mean commute (minutes) | 59 | — |
| Median year structure built | 1978 | 1983 |