ZIP 21657 vs ZIP 21665
A side-by-side comparison of ZIP Code 21657 and ZIP Code 21665: population, income, housing, and more.
ZIP 21657 and ZIP 21665 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21657 has the higher population (1,533 vs 169 in ZIP 21665). ZIP 21665 has the higher median home value ($525,900 vs $354,400 in ZIP 21657). Since 2019, ZIP 21657's population has grown faster (+68.5% vs -21.4%).
Population, income & housing
| ZIP 21657 | ZIP 21665 | |
|---|---|---|
| Population | 1,533 | 169 |
| Median age | 49.2 yrs | 62.5 yrs |
| Median household income | $106,588 | — |
| Median home value | $354,400 | $525,900 |
| Median gross rent | $1,750 | — |
| Housing units | 558 | 189 |
| Homeownership rate | 85.0% | 100.0% |
| Bachelor's degree or higher | 21.7% | 41.8% |
| Unemployment rate | 1.7% | 8.7% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21657 | ZIP 21665 | |
|---|---|---|
| Population | 910 → 1,533 (+68.5%) | 215 → 169 (-21.4%) |
| Median household income | $111,250 → $106,588 (-4.2%) | $87,250 → $150,809 (+72.8%) |
| Median home value | $297,600 → $354,400 (+19.1%) | $479,400 → $525,900 (+9.7%) |
| Median gross rent | $1,775 → $1,750 (-1.4%) | — |
ZIP 21657
9101,533
$111,250$106,588
$297,600$354,400
$1,775$1,750
ZIP 21665
215169
$87,250$150,809
$479,400$525,900
Age & race/ethnicity
Age distribution (share)
| ZIP 21657 | ZIP 21665 | |
|---|---|---|
| Under 5 | 4.9% | 0.0% |
| 5 to 17 | 16.9% | 6.5% |
| 18 to 24 | 7.8% | 0.0% |
| 25 to 34 | 8.3% | 0.0% |
| 35 to 44 | 11.1% | 3.0% |
| 45 to 54 | 8.9% | 2.4% |
| 55 to 64 | 11.2% | 40.2% |
| 65 to 74 | 25.4% | 37.9% |
| 75 and over | 5.5% | 10.1% |
Race & ethnicity (share)
| ZIP 21657 | ZIP 21665 | |
|---|---|---|
| White (non-Hispanic) | 72.5% | 89.3% |
| Black or African American | 9.0% | 0.0% |
| American Indian & Alaska Native | 0.2% | 0.0% |
| Asian | 0.7% | 4.1% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 5.1% | 0.0% |
| Hispanic or Latino | 12.6% | 6.5% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21657 | ZIP 21665 | |
|---|---|---|
| No high school diploma | 23.2% | 10.1% |
| High school graduate | 25.2% | 27.2% |
| Some college or associate's | 29.9% | 20.9% |
| Bachelor's degree | 14.8% | 17.7% |
| Graduate or professional degree | 6.9% | 24.1% |
Commute to work
How workers get to work (share)
| ZIP 21657 | ZIP 21665 | |
|---|---|---|
| Drove alone | 81.8% | 61.9% |
| Carpooled | 10.6% | 0.0% |
| Public transit | 0.8% | 0.0% |
| Walked | 0.0% | 11.1% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 6.8% | 27.0% |
| Other means | 0.0% | 0.0% |
Housing
Units in structure (share)
| ZIP 21657 | ZIP 21665 | |
|---|---|---|
| 1-unit, detached | 95.0% | 100.0% |
| 1-unit, attached | 0.0% | 0.0% |
| 2 to 4 units | 1.8% | 0.0% |
| 5 to 19 units | 0.9% | 0.0% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 2.3% | 0.0% |
Poverty & households
| ZIP 21657 | ZIP 21665 | |
|---|---|---|
| Poverty rate | 7.3% | 13.0% |
| Average household size | 2.83 | 1.84 |
| Mean commute (minutes) | 38 | 40 |
| Median year structure built | 1975 | 1995 |