ZIP 20715 vs ZIP 20721
A side-by-side comparison of ZIP Code 20715 and ZIP Code 20721: population, income, housing, and more.
ZIP 20715 and ZIP 20721 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 20721 has the higher population (30,342 vs 26,519 in ZIP 20715). ZIP 20721 has the higher median household income ($167,689 vs $139,962 in ZIP 20715). ZIP 20721 has the higher median home value ($561,500 vs $437,600 in ZIP 20715).
Population, income & housing
| ZIP 20715 | ZIP 20721 | |
|---|---|---|
| Population | 26,519 | 30,342 |
| Median age | 41.8 yrs | 48.1 yrs |
| Median household income | $139,962 | $167,689 |
| Median home value | $437,600 | $561,500 |
| Median gross rent | $2,523 | $2,394 |
| Housing units | 9,168 | 11,284 |
| Homeownership rate | 92.6% | 89.1% |
| Bachelor's degree or higher | 47.9% | 58.7% |
| Unemployment rate | 5.1% | 5.5% |
Trends (ACS 5-year, 2019–2023)
| ZIP 20715 | ZIP 20721 | |
|---|---|---|
| Population | 27,556 → 26,519 (-3.8%) | 29,730 → 30,342 (+2.1%) |
| Median household income | $117,224 → $139,962 (+19.4%) | $131,508 → $167,689 (+27.5%) |
| Median home value | $338,300 → $437,600 (+29.4%) | $403,800 → $561,500 (+39.1%) |
| Median gross rent | $2,258 → $2,523 (+11.7%) | $2,199 → $2,394 (+8.9%) |
ZIP 20715
27,55626,519
$117,224$139,962
$338,300$437,600
$2,258$2,523
ZIP 20721
29,73030,342
$131,508$167,689
$403,800$561,500
$2,199$2,394
Age & race/ethnicity
Age distribution (share)
| ZIP 20715 | ZIP 20721 | |
|---|---|---|
| Under 5 | 5.0% | 4.8% |
| 5 to 17 | 16.1% | 12.8% |
| 18 to 24 | 9.8% | 6.4% |
| 25 to 34 | 11.3% | 8.9% |
| 35 to 44 | 11.6% | 13.1% |
| 45 to 54 | 15.5% | 14.6% |
| 55 to 64 | 14.8% | 17.8% |
| 65 to 74 | 9.6% | 11.9% |
| 75 and over | 6.2% | 9.6% |
Race & ethnicity (share)
| ZIP 20715 | ZIP 20721 | |
|---|---|---|
| White (non-Hispanic) | 42.7% | 6.1% |
| Black or African American | 37.9% | 84.1% |
| American Indian & Alaska Native | 0.4% | 0.1% |
| Asian | 3.8% | 1.6% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.9% | 0.3% |
| Two or more races | 5.6% | 4.0% |
| Hispanic or Latino | 8.7% | 3.9% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 20715 | ZIP 20721 | |
|---|---|---|
| No high school diploma | 5.8% | 3.4% |
| High school graduate | 21.2% | 14.1% |
| Some college or associate's | 25.1% | 23.9% |
| Bachelor's degree | 24.0% | 25.9% |
| Graduate or professional degree | 23.9% | 32.8% |
Commute to work
How workers get to work (share)
| ZIP 20715 | ZIP 20721 | |
|---|---|---|
| Drove alone | 63.1% | 65.6% |
| Carpooled | 6.7% | 5.8% |
| Public transit | 4.1% | 5.5% |
| Walked | 2.5% | 0.1% |
| Bicycle | 0.1% | 0.0% |
| Worked from home | 22.6% | 20.2% |
| Other means | 0.9% | 2.8% |
Housing
Units in structure (share)
| ZIP 20715 | ZIP 20721 | |
|---|---|---|
| 1-unit, detached | 90.8% | 72.5% |
| 1-unit, attached | 7.5% | 20.7% |
| 2 to 4 units | 0.0% | 0.4% |
| 5 to 19 units | 0.6% | 3.2% |
| 20 or more units | 1.0% | 3.2% |
| Mobile home & other | 0.1% | 0.0% |
Poverty & households
| ZIP 20715 | ZIP 20721 | |
|---|---|---|
| Poverty rate | 4.5% | 3.6% |
| Average household size | 2.79 | 2.73 |
| Mean commute (minutes) | 34 | 37 |
| Median year structure built | 1966 | 1995 |