ZIP 21612 vs ZIP 21620
A side-by-side comparison of ZIP Code 21612 and ZIP Code 21620: population, income, housing, and more.
ZIP 21612 and ZIP 21620 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 446 in ZIP 21612). ZIP 21612 has the higher median household income ($113,438 vs $76,094 in ZIP 21620). ZIP 21612 has the higher median home value ($573,400 vs $318,700 in ZIP 21620).
Population, income & housing
| ZIP 21612 | ZIP 21620 | |
|---|---|---|
| Population | 446 | 13,533 |
| Median age | 70.9 yrs | 42.9 yrs |
| Median household income | $113,438 | $76,094 |
| Median home value | $573,400 | $318,700 |
| Median gross rent | — | $1,149 |
| Housing units | 476 | 6,259 |
| Homeownership rate | 98.2% | 71.0% |
| Bachelor's degree or higher | 59.0% | 42.9% |
| Unemployment rate | 0.0% | 3.5% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21612 | ZIP 21620 | |
|---|---|---|
| Population | 381 → 446 (+17.1%) | 12,850 → 13,533 (+5.3%) |
| Median household income | $77,426 → $113,438 (+46.5%) | $63,806 → $76,094 (+19.3%) |
| Median home value | $476,200 → $573,400 (+20.4%) | $260,100 → $318,700 (+22.5%) |
| Median gross rent | — | $916 → $1,149 (+25.4%) |
ZIP 21612
381446
$77,426$113,438
$476,200$573,400
ZIP 21620
12,85013,533
$63,806$76,094
$260,100$318,700
$916$1,149
Age & race/ethnicity
Age distribution (share)
| ZIP 21612 | ZIP 21620 | |
|---|---|---|
| Under 5 | 0.0% | 5.2% |
| 5 to 17 | 2.2% | 12.1% |
| 18 to 24 | 4.3% | 15.1% |
| 25 to 34 | 0.0% | 9.2% |
| 35 to 44 | 0.0% | 10.6% |
| 45 to 54 | 4.9% | 10.5% |
| 55 to 64 | 16.4% | 11.6% |
| 65 to 74 | 56.1% | 13.4% |
| 75 and over | 16.1% | 12.5% |
Race & ethnicity (share)
| ZIP 21612 | ZIP 21620 | |
|---|---|---|
| White (non-Hispanic) | 98.0% | 77.2% |
| Black or African American | 0.0% | 14.5% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 0.0% | 1.2% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.4% |
| Two or more races | 2.0% | 2.9% |
| Hispanic or Latino | 0.0% | 3.9% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21612 | ZIP 21620 | |
|---|---|---|
| No high school diploma | 0.0% | 7.4% |
| High school graduate | 18.0% | 27.3% |
| Some college or associate's | 23.0% | 22.5% |
| Bachelor's degree | 41.5% | 21.0% |
| Graduate or professional degree | 17.5% | 21.9% |
Commute to work
How workers get to work (share)
| ZIP 21612 | ZIP 21620 | |
|---|---|---|
| Drove alone | 70.5% | 71.1% |
| Carpooled | 3.7% | 7.6% |
| Public transit | 0.0% | 0.3% |
| Walked | 12.4% | 8.7% |
| Bicycle | 0.0% | 0.1% |
| Worked from home | 13.3% | 10.4% |
| Other means | 0.0% | 1.8% |
Housing
Units in structure (share)
| ZIP 21612 | ZIP 21620 | |
|---|---|---|
| 1-unit, detached | 100.0% | 75.3% |
| 1-unit, attached | 0.0% | 6.4% |
| 2 to 4 units | 0.0% | 6.2% |
| 5 to 19 units | 0.0% | 5.5% |
| 20 or more units | 0.0% | 3.6% |
| Mobile home & other | 0.0% | 3.1% |
Poverty & households
| ZIP 21612 | ZIP 21620 | |
|---|---|---|
| Poverty rate | 0.0% | 10.8% |
| Average household size | 2.02 | 2.12 |
| Mean commute (minutes) | 32 | 27 |
| Median year structure built | 1981 | 1980 |