ZIP 21620 vs ZIP 21623
A side-by-side comparison of ZIP Code 21620 and ZIP Code 21623: population, income, housing, and more.
ZIP 21620 and ZIP 21623 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21620 has the higher population (13,533 vs 2,482 in ZIP 21623). ZIP 21623 has the higher median household income ($77,014 vs $76,094 in ZIP 21620). ZIP 21623 has the higher median home value ($383,300 vs $318,700 in ZIP 21620).
Population, income & housing
| ZIP 21620 | ZIP 21623 | |
|---|---|---|
| Population | 13,533 | 2,482 |
| Median age | 42.9 yrs | 35.9 yrs |
| Median household income | $76,094 | $77,014 |
| Median home value | $318,700 | $383,300 |
| Median gross rent | $1,149 | $1,108 |
| Housing units | 6,259 | 908 |
| Homeownership rate | 71.0% | 84.8% |
| Bachelor's degree or higher | 42.9% | 21.2% |
| Unemployment rate | 3.5% | 2.0% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21620 | ZIP 21623 | |
|---|---|---|
| Population | 12,850 → 13,533 (+5.3%) | 1,989 → 2,482 (+24.8%) |
| Median household income | $63,806 → $76,094 (+19.3%) | $72,000 → $77,014 (+7.0%) |
| Median home value | $260,100 → $318,700 (+22.5%) | $273,100 → $383,300 (+40.4%) |
| Median gross rent | $916 → $1,149 (+25.4%) | $1,250 → $1,108 (-11.4%) |
ZIP 21620
12,85013,533
$63,806$76,094
$260,100$318,700
$916$1,149
ZIP 21623
1,9892,482
$72,000$77,014
$273,100$383,300
$1,250$1,108
Age & race/ethnicity
Age distribution (share)
| ZIP 21620 | ZIP 21623 | |
|---|---|---|
| Under 5 | 5.2% | 7.9% |
| 5 to 17 | 12.1% | 17.1% |
| 18 to 24 | 15.1% | 5.5% |
| 25 to 34 | 9.2% | 17.5% |
| 35 to 44 | 10.6% | 16.0% |
| 45 to 54 | 10.5% | 11.3% |
| 55 to 64 | 11.6% | 12.9% |
| 65 to 74 | 13.4% | 7.5% |
| 75 and over | 12.5% | 4.4% |
Race & ethnicity (share)
| ZIP 21620 | ZIP 21623 | |
|---|---|---|
| White (non-Hispanic) | 77.2% | 61.2% |
| Black or African American | 14.5% | 13.3% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 1.2% | 2.3% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.4% | 0.0% |
| Two or more races | 2.9% | 1.4% |
| Hispanic or Latino | 3.9% | 21.8% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21620 | ZIP 21623 | |
|---|---|---|
| No high school diploma | 7.4% | 15.3% |
| High school graduate | 27.3% | 36.4% |
| Some college or associate's | 22.5% | 27.1% |
| Bachelor's degree | 21.0% | 12.6% |
| Graduate or professional degree | 21.9% | 8.6% |
Commute to work
How workers get to work (share)
| ZIP 21620 | ZIP 21623 | |
|---|---|---|
| Drove alone | 71.1% | 78.3% |
| Carpooled | 7.6% | 16.9% |
| Public transit | 0.3% | 0.5% |
| Walked | 8.7% | 0.9% |
| Bicycle | 0.1% | 0.0% |
| Worked from home | 10.4% | 3.5% |
| Other means | 1.8% | 0.0% |
Housing
Units in structure (share)
| ZIP 21620 | ZIP 21623 | |
|---|---|---|
| 1-unit, detached | 75.3% | 80.8% |
| 1-unit, attached | 6.4% | 6.8% |
| 2 to 4 units | 6.2% | 0.2% |
| 5 to 19 units | 5.5% | 3.6% |
| 20 or more units | 3.6% | 0.0% |
| Mobile home & other | 3.1% | 8.5% |
Poverty & households
| ZIP 21620 | ZIP 21623 | |
|---|---|---|
| Poverty rate | 10.8% | 7.7% |
| Average household size | 2.12 | 2.72 |
| Mean commute (minutes) | 27 | 35 |
| Median year structure built | 1980 | 2000 |