ZIP 21663 vs ZIP 21668
A side-by-side comparison of ZIP Code 21663 and ZIP Code 21668: population, income, housing, and more.
ZIP 21663 and ZIP 21668 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21663 has the higher population (3,745 vs 1,973 in ZIP 21668). ZIP 21663 has the higher median household income ($81,932 vs $80,938 in ZIP 21668). ZIP 21663 has the higher median home value ($633,300 vs $349,300 in ZIP 21668).
Population, income & housing
| ZIP 21663 | ZIP 21668 | |
|---|---|---|
| Population | 3,745 | 1,973 |
| Median age | 52.9 yrs | 47.6 yrs |
| Median household income | $81,932 | $80,938 |
| Median home value | $633,300 | $349,300 |
| Median gross rent | $993 | — |
| Housing units | 2,110 | 792 |
| Homeownership rate | 78.7% | 77.1% |
| Bachelor's degree or higher | 49.5% | 17.7% |
| Unemployment rate | 4.9% | 5.5% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21663 | ZIP 21668 | |
|---|---|---|
| Population | 3,424 → 3,745 (+9.4%) | 1,816 → 1,973 (+8.6%) |
| Median household income | $78,828 → $81,932 (+3.9%) | $60,750 → $80,938 (+33.2%) |
| Median home value | $480,800 → $633,300 (+31.7%) | $234,700 → $349,300 (+48.8%) |
| Median gross rent | $996 → $993 (-0.3%) | $561 → $1,076 (+91.8%) |
ZIP 21663
3,4243,745
$78,828$81,932
$480,800$633,300
$996$993
ZIP 21668
1,8161,973
$60,750$80,938
$234,700$349,300
$561$1,076
Age & race/ethnicity
Age distribution (share)
| ZIP 21663 | ZIP 21668 | |
|---|---|---|
| Under 5 | 1.5% | 2.0% |
| 5 to 17 | 16.2% | 12.8% |
| 18 to 24 | 5.4% | 11.9% |
| 25 to 34 | 5.8% | 10.9% |
| 35 to 44 | 10.0% | 10.1% |
| 45 to 54 | 13.6% | 14.4% |
| 55 to 64 | 13.6% | 20.9% |
| 65 to 74 | 19.9% | 8.8% |
| 75 and over | 14.0% | 8.3% |
Race & ethnicity (share)
| ZIP 21663 | ZIP 21668 | |
|---|---|---|
| White (non-Hispanic) | 74.6% | 92.2% |
| Black or African American | 10.2% | 4.1% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 0.4% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.7% |
| Two or more races | 4.2% | 0.9% |
| Hispanic or Latino | 10.6% | 2.0% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21663 | ZIP 21668 | |
|---|---|---|
| No high school diploma | 9.4% | 5.9% |
| High school graduate | 16.9% | 47.3% |
| Some college or associate's | 24.1% | 29.1% |
| Bachelor's degree | 28.0% | 9.7% |
| Graduate or professional degree | 21.5% | 8.0% |
Commute to work
How workers get to work (share)
| ZIP 21663 | ZIP 21668 | |
|---|---|---|
| Drove alone | 75.2% | 83.7% |
| Carpooled | 5.8% | 8.8% |
| Public transit | 0.3% | 0.0% |
| Walked | 6.2% | 0.3% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 11.7% | 7.2% |
| Other means | 0.8% | 0.0% |
Housing
Units in structure (share)
| ZIP 21663 | ZIP 21668 | |
|---|---|---|
| 1-unit, detached | 79.4% | 78.3% |
| 1-unit, attached | 8.2% | 1.0% |
| 2 to 4 units | 6.5% | 1.8% |
| 5 to 19 units | 4.4% | 1.4% |
| 20 or more units | 1.5% | 5.7% |
| Mobile home & other | 0.0% | 11.9% |
Poverty & households
| ZIP 21663 | ZIP 21668 | |
|---|---|---|
| Poverty rate | 5.7% | 12.4% |
| Average household size | 2.31 | 2.58 |
| Mean commute (minutes) | 24 | 37 |
| Median year structure built | 1980 | 1985 |