ZIP 21666 vs ZIP 21675
A side-by-side comparison of ZIP Code 21666 and ZIP Code 21675: population, income, housing, and more.
ZIP 21666 and ZIP 21675 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21666 has the higher population (14,205 vs 43 in ZIP 21675). ZIP 21666 has the higher median household income ($130,426 vs $23,958 in ZIP 21675). Since 2019, ZIP 21666's population has grown faster (+10.7% vs -52.2%).
Population, income & housing
| ZIP 21666 | ZIP 21675 | |
|---|---|---|
| Population | 14,205 | 43 |
| Median age | 46.4 yrs | 67.4 yrs |
| Median household income | $130,426 | $23,958 |
| Median home value | $478,500 | — |
| Median gross rent | $1,755 | — |
| Housing units | 5,781 | 75 |
| Homeownership rate | 81.4% | 100.0% |
| Bachelor's degree or higher | 42.3% | 25.6% |
| Unemployment rate | 4.6% | 0.0% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21666 | ZIP 21675 | |
|---|---|---|
| Population | 12,836 → 14,205 (+10.7%) | 90 → 43 (-52.2%) |
| Median household income | $103,241 → $130,426 (+26.3%) | $41,250 → $23,958 (-41.9%) |
| Median home value | $375,500 → $478,500 (+27.4%) | $90,000 → $112,500 (+25.0%) |
| Median gross rent | $1,539 → $1,755 (+14.0%) | — |
ZIP 21666
12,83614,205
$103,241$130,426
$375,500$478,500
$1,539$1,755
ZIP 21675
9043
$41,250$23,958
$90,000$112,500
Age & race/ethnicity
Age distribution (share)
| ZIP 21666 | ZIP 21675 | |
|---|---|---|
| Under 5 | 4.5% | 0.0% |
| 5 to 17 | 16.5% | 0.0% |
| 18 to 24 | 7.2% | 0.0% |
| 25 to 34 | 10.4% | 0.0% |
| 35 to 44 | 9.6% | 14.0% |
| 45 to 54 | 14.8% | 0.0% |
| 55 to 64 | 14.9% | 25.6% |
| 65 to 74 | 13.3% | 25.6% |
| 75 and over | 8.8% | 34.9% |
Race & ethnicity (share)
| ZIP 21666 | ZIP 21675 | |
|---|---|---|
| White (non-Hispanic) | 87.9% | 100.0% |
| Black or African American | 3.6% | 0.0% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 1.7% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.2% | 0.0% |
| Two or more races | 5.0% | 0.0% |
| Hispanic or Latino | 1.8% | 0.0% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21666 | ZIP 21675 | |
|---|---|---|
| No high school diploma | 5.2% | 25.6% |
| High school graduate | 23.1% | 48.8% |
| Some college or associate's | 29.4% | 0.0% |
| Bachelor's degree | 25.9% | 0.0% |
| Graduate or professional degree | 16.4% | 25.6% |
Commute to work
How workers get to work (share)
| ZIP 21666 | ZIP 21675 | |
|---|---|---|
| Drove alone | 79.0% | 100.0% |
| Carpooled | 5.0% | 0.0% |
| Public transit | 0.1% | 0.0% |
| Walked | 0.5% | 0.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 14.8% | 0.0% |
| Other means | 0.6% | 0.0% |
Housing
Units in structure (share)
| ZIP 21666 | ZIP 21675 | |
|---|---|---|
| 1-unit, detached | 85.0% | 100.0% |
| 1-unit, attached | 6.7% | 0.0% |
| 2 to 4 units | 1.6% | 0.0% |
| 5 to 19 units | 4.5% | 0.0% |
| 20 or more units | 1.4% | 0.0% |
| Mobile home & other | 0.7% | 0.0% |
Poverty & households
| ZIP 21666 | ZIP 21675 | |
|---|---|---|
| Poverty rate | 4.2% | 23.3% |
| Average household size | 2.57 | 1.59 |
| Mean commute (minutes) | 31 | — |
| Median year structure built | 1987 | 1941 |