ZIP 21638 vs ZIP 21648
A side-by-side comparison of ZIP Code 21638 and ZIP Code 21648: population, income, housing, and more.
ZIP 21638 and ZIP 21648 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21638 has the higher population (5,068 vs 104 in ZIP 21648). ZIP 21638 has the higher median home value ($491,000 vs $171,200 in ZIP 21648). Since 2019, ZIP 21638's population has grown faster (-1.2% vs -40.6%).
Population, income & housing
| ZIP 21638 | ZIP 21648 | |
|---|---|---|
| Population | 5,068 | 104 |
| Median age | 45.8 yrs | 61.7 yrs |
| Median household income | $130,804 | — |
| Median home value | $491,000 | $171,200 |
| Median gross rent | $1,630 | — |
| Housing units | 2,219 | 58 |
| Homeownership rate | 82.7% | 97.5% |
| Bachelor's degree or higher | 43.2% | 15.2% |
| Unemployment rate | 2.6% | 0.0% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21638 | ZIP 21648 | |
|---|---|---|
| Population | 5,130 → 5,068 (-1.2%) | 175 → 104 (-40.6%) |
| Median household income | $106,071 → $130,804 (+23.3%) | $81,083 → $137,500 (+69.6%) |
| Median home value | $428,600 → $491,000 (+14.6%) | $123,600 → $171,200 (+38.5%) |
| Median gross rent | $1,743 → $1,630 (-6.5%) | — |
ZIP 21638
5,1305,068
$106,071$130,804
$428,600$491,000
$1,743$1,630
ZIP 21648
175104
$81,083$137,500
$123,600$171,200
Age & race/ethnicity
Age distribution (share)
| ZIP 21638 | ZIP 21648 | |
|---|---|---|
| Under 5 | 6.7% | 1.9% |
| 5 to 17 | 16.6% | 5.8% |
| 18 to 24 | 4.6% | 16.3% |
| 25 to 34 | 9.2% | 1.0% |
| 35 to 44 | 12.5% | 0.0% |
| 45 to 54 | 16.9% | 17.3% |
| 55 to 64 | 14.3% | 29.8% |
| 65 to 74 | 10.1% | 27.9% |
| 75 and over | 9.0% | 0.0% |
Race & ethnicity (share)
| ZIP 21638 | ZIP 21648 | |
|---|---|---|
| White (non-Hispanic) | 80.4% | 84.6% |
| Black or African American | 5.0% | 1.0% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 0.4% | 11.5% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 8.9% | 0.0% |
| Hispanic or Latino | 5.4% | 2.9% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21638 | ZIP 21648 | |
|---|---|---|
| No high school diploma | 6.7% | 0.0% |
| High school graduate | 24.4% | 21.5% |
| Some college or associate's | 25.7% | 63.3% |
| Bachelor's degree | 27.3% | 8.9% |
| Graduate or professional degree | 15.9% | 6.3% |
Commute to work
How workers get to work (share)
| ZIP 21638 | ZIP 21648 | |
|---|---|---|
| Drove alone | 72.0% | 100.0% |
| Carpooled | 6.0% | 0.0% |
| Public transit | 1.7% | 0.0% |
| Walked | 0.4% | 0.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 19.9% | 0.0% |
| Other means | 0.0% | 0.0% |
Housing
Units in structure (share)
| ZIP 21638 | ZIP 21648 | |
|---|---|---|
| 1-unit, detached | 75.5% | 100.0% |
| 1-unit, attached | 11.6% | 0.0% |
| 2 to 4 units | 3.8% | 0.0% |
| 5 to 19 units | 5.1% | 0.0% |
| 20 or more units | 1.3% | 0.0% |
| Mobile home & other | 2.7% | 0.0% |
Poverty & households
| ZIP 21638 | ZIP 21648 | |
|---|---|---|
| Poverty rate | 8.3% | 6.1% |
| Average household size | 2.65 | 2.48 |
| Mean commute (minutes) | 37 | 23 |
| Median year structure built | 1992 | 1947 |