ZIP 21778 vs ZIP 21787
A side-by-side comparison of ZIP Code 21778 and ZIP Code 21787: population, income, housing, and more.
ZIP 21778 and ZIP 21787 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21787 has the higher population (11,549 vs 840 in ZIP 21778). ZIP 21778 has the higher median household income ($110,489 vs $88,212 in ZIP 21787). ZIP 21778 has the higher median home value ($415,700 vs $344,800 in ZIP 21787).
Population, income & housing
| ZIP 21778 | ZIP 21787 | |
|---|---|---|
| Population | 840 | 11,549 |
| Median age | 51.8 yrs | 39.5 yrs |
| Median household income | $110,489 | $88,212 |
| Median home value | $415,700 | $344,800 |
| Median gross rent | — | $870 |
| Housing units | 363 | 4,429 |
| Homeownership rate | 95.2% | 79.6% |
| Bachelor's degree or higher | 23.1% | 19.3% |
| Unemployment rate | 0.0% | 4.7% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21778 | ZIP 21787 | |
|---|---|---|
| Population | 909 → 840 (-7.6%) | 10,173 → 11,549 (+13.5%) |
| Median household income | $74,375 → $110,489 (+48.6%) | $73,899 → $88,212 (+19.4%) |
| Median home value | $294,900 → $415,700 (+41.0%) | $276,000 → $344,800 (+24.9%) |
| Median gross rent | — | $1,065 → $870 (-18.3%) |
ZIP 21778
909840
$74,375$110,489
$294,900$415,700
ZIP 21787
10,17311,549
$73,899$88,212
$276,000$344,800
$1,065$870
Age & race/ethnicity
Age distribution (share)
| ZIP 21778 | ZIP 21787 | |
|---|---|---|
| Under 5 | 7.3% | 5.8% |
| 5 to 17 | 9.8% | 18.5% |
| 18 to 24 | 12.3% | 8.1% |
| 25 to 34 | 1.8% | 10.4% |
| 35 to 44 | 6.2% | 12.8% |
| 45 to 54 | 18.6% | 10.0% |
| 55 to 64 | 15.6% | 13.6% |
| 65 to 74 | 16.8% | 11.7% |
| 75 and over | 11.8% | 9.1% |
Race & ethnicity (share)
| ZIP 21778 | ZIP 21787 | |
|---|---|---|
| White (non-Hispanic) | 100.0% | 86.4% |
| Black or African American | 0.0% | 5.3% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 0.0% | 0.6% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 0.0% | 2.5% |
| Hispanic or Latino | 0.0% | 5.2% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21778 | ZIP 21787 | |
|---|---|---|
| No high school diploma | 6.1% | 6.6% |
| High school graduate | 35.7% | 39.5% |
| Some college or associate's | 35.2% | 34.6% |
| Bachelor's degree | 5.4% | 12.2% |
| Graduate or professional degree | 17.7% | 7.1% |
Commute to work
How workers get to work (share)
| ZIP 21778 | ZIP 21787 | |
|---|---|---|
| Drove alone | 58.2% | 76.6% |
| Carpooled | 24.5% | 9.9% |
| Public transit | 0.0% | 1.3% |
| Walked | 0.0% | 0.6% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 17.3% | 10.0% |
| Other means | 0.0% | 1.7% |
Housing
Units in structure (share)
| ZIP 21778 | ZIP 21787 | |
|---|---|---|
| 1-unit, detached | 92.8% | 75.8% |
| 1-unit, attached | 6.3% | 14.8% |
| 2 to 4 units | 0.0% | 7.1% |
| 5 to 19 units | 0.0% | 1.2% |
| 20 or more units | 0.0% | 1.1% |
| Mobile home & other | 0.8% | 0.0% |
Poverty & households
| ZIP 21778 | ZIP 21787 | |
|---|---|---|
| Poverty rate | 0.0% | 10.7% |
| Average household size | 2.54 | 2.69 |
| Mean commute (minutes) | 30 | 35 |
| Median year structure built | 1970 | 1986 |