ZIP 21042 vs ZIP 21047
A side-by-side comparison of ZIP Code 21042 and ZIP Code 21047: population, income, housing, and more.
ZIP 21042 and ZIP 21047 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21042 has the higher population (43,021 vs 13,540 in ZIP 21047). ZIP 21042 has the higher median household income ($190,504 vs $154,524 in ZIP 21047). ZIP 21042 has the higher median home value ($674,700 vs $516,700 in ZIP 21047).
Population, income & housing
| ZIP 21042 | ZIP 21047 | |
|---|---|---|
| Population | 43,021 | 13,540 |
| Median age | 45.0 yrs | 47.2 yrs |
| Median household income | $190,504 | $154,524 |
| Median home value | $674,700 | $516,700 |
| Median gross rent | $2,253 | $2,482 |
| Housing units | 15,269 | 4,925 |
| Homeownership rate | 85.4% | 96.9% |
| Bachelor's degree or higher | 74.7% | 53.1% |
| Unemployment rate | 2.1% | 0.9% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21042 | ZIP 21047 | |
|---|---|---|
| Population | 41,195 → 43,021 (+4.4%) | 12,266 → 13,540 (+10.4%) |
| Median household income | $156,812 → $190,504 (+21.5%) | $119,663 → $154,524 (+29.1%) |
| Median home value | $600,500 → $674,700 (+12.4%) | $391,000 → $516,700 (+32.1%) |
| Median gross rent | $1,750 → $2,253 (+28.7%) | $2,021 → $2,482 (+22.8%) |
ZIP 21042
41,19543,021
$156,812$190,504
$600,500$674,700
$1,750$2,253
ZIP 21047
12,26613,540
$119,663$154,524
$391,000$516,700
$2,021$2,482
Age & race/ethnicity
Age distribution (share)
| ZIP 21042 | ZIP 21047 | |
|---|---|---|
| Under 5 | 4.6% | 4.6% |
| 5 to 17 | 21.2% | 17.1% |
| 18 to 24 | 5.6% | 8.0% |
| 25 to 34 | 6.4% | 4.8% |
| 35 to 44 | 12.2% | 13.4% |
| 45 to 54 | 15.9% | 13.3% |
| 55 to 64 | 15.2% | 17.4% |
| 65 to 74 | 11.1% | 13.9% |
| 75 and over | 7.9% | 7.6% |
Race & ethnicity (share)
| ZIP 21042 | ZIP 21047 | |
|---|---|---|
| White (non-Hispanic) | 57.0% | 87.4% |
| Black or African American | 4.2% | 2.2% |
| American Indian & Alaska Native | 0.3% | 0.0% |
| Asian | 29.3% | 3.8% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.8% | 0.1% |
| Two or more races | 4.1% | 1.4% |
| Hispanic or Latino | 4.3% | 5.1% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21042 | ZIP 21047 | |
|---|---|---|
| No high school diploma | 2.5% | 1.6% |
| High school graduate | 8.8% | 18.5% |
| Some college or associate's | 14.0% | 26.8% |
| Bachelor's degree | 33.5% | 30.5% |
| Graduate or professional degree | 41.3% | 22.5% |
Commute to work
How workers get to work (share)
| ZIP 21042 | ZIP 21047 | |
|---|---|---|
| Drove alone | 67.5% | 75.2% |
| Carpooled | 3.9% | 6.2% |
| Public transit | 0.5% | 1.0% |
| Walked | 0.9% | 1.2% |
| Bicycle | 0.2% | 0.0% |
| Worked from home | 26.2% | 16.4% |
| Other means | 0.8% | 0.0% |
Housing
Units in structure (share)
| ZIP 21042 | ZIP 21047 | |
|---|---|---|
| 1-unit, detached | 76.0% | 93.8% |
| 1-unit, attached | 10.0% | 6.0% |
| 2 to 4 units | 0.7% | 0.0% |
| 5 to 19 units | 8.0% | 0.2% |
| 20 or more units | 5.3% | 0.0% |
| Mobile home & other | 0.0% | 0.0% |
Poverty & households
| ZIP 21042 | ZIP 21047 | |
|---|---|---|
| Poverty rate | 2.7% | 3.9% |
| Average household size | 2.86 | 2.79 |
| Mean commute (minutes) | 29 | 45 |
| Median year structure built | 1986 | 1977 |