ZIP 21078 vs ZIP 21084
A side-by-side comparison of ZIP Code 21078 and ZIP Code 21084: population, income, housing, and more.
ZIP 21078 and ZIP 21084 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21078 has the higher population (20,002 vs 7,488 in ZIP 21084). ZIP 21084 has the higher median household income ($118,098 vs $109,451 in ZIP 21078). ZIP 21084 has the higher median home value ($445,200 vs $355,500 in ZIP 21078).
Population, income & housing
| ZIP 21078 | ZIP 21084 | |
|---|---|---|
| Population | 20,002 | 7,488 |
| Median age | 47.4 yrs | 46.3 yrs |
| Median household income | $109,451 | $118,098 |
| Median home value | $355,500 | $445,200 |
| Median gross rent | $1,331 | $1,332 |
| Housing units | 8,760 | 2,846 |
| Homeownership rate | 77.4% | 91.9% |
| Bachelor's degree or higher | 40.9% | 43.4% |
| Unemployment rate | 3.5% | 5.5% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21078 | ZIP 21084 | |
|---|---|---|
| Population | 18,366 → 20,002 (+8.9%) | 7,603 → 7,488 (-1.5%) |
| Median household income | $79,489 → $109,451 (+37.7%) | $108,158 → $118,098 (+9.2%) |
| Median home value | $292,700 → $355,500 (+21.5%) | $385,900 → $445,200 (+15.4%) |
| Median gross rent | $973 → $1,331 (+36.8%) | $1,211 → $1,332 (+10.0%) |
ZIP 21078
18,36620,002
$79,489$109,451
$292,700$355,500
$973$1,331
ZIP 21084
7,6037,488
$108,158$118,098
$385,900$445,200
$1,211$1,332
Age & race/ethnicity
Age distribution (share)
| ZIP 21078 | ZIP 21084 | |
|---|---|---|
| Under 5 | 4.2% | 3.8% |
| 5 to 17 | 14.6% | 19.4% |
| 18 to 24 | 5.7% | 5.7% |
| 25 to 34 | 12.8% | 8.3% |
| 35 to 44 | 9.8% | 12.2% |
| 45 to 54 | 13.9% | 9.1% |
| 55 to 64 | 17.5% | 16.3% |
| 65 to 74 | 12.7% | 13.8% |
| 75 and over | 8.8% | 11.5% |
Race & ethnicity (share)
| ZIP 21078 | ZIP 21084 | |
|---|---|---|
| White (non-Hispanic) | 74.8% | 91.8% |
| Black or African American | 11.8% | 0.8% |
| American Indian & Alaska Native | 0.1% | 0.0% |
| Asian | 2.7% | 3.1% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.4% | 0.6% |
| Two or more races | 4.9% | 2.7% |
| Hispanic or Latino | 5.4% | 0.9% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21078 | ZIP 21084 | |
|---|---|---|
| No high school diploma | 7.1% | 3.1% |
| High school graduate | 24.5% | 25.4% |
| Some college or associate's | 27.5% | 28.1% |
| Bachelor's degree | 21.0% | 25.6% |
| Graduate or professional degree | 19.9% | 17.7% |
Commute to work
How workers get to work (share)
| ZIP 21078 | ZIP 21084 | |
|---|---|---|
| Drove alone | 70.0% | 79.4% |
| Carpooled | 8.4% | 6.3% |
| Public transit | 1.2% | 0.0% |
| Walked | 2.5% | 0.5% |
| Bicycle | 0.3% | 0.0% |
| Worked from home | 16.3% | 13.8% |
| Other means | 1.2% | 0.0% |
Housing
Units in structure (share)
| ZIP 21078 | ZIP 21084 | |
|---|---|---|
| 1-unit, detached | 59.2% | 94.7% |
| 1-unit, attached | 18.0% | 1.6% |
| 2 to 4 units | 6.5% | 0.6% |
| 5 to 19 units | 8.5% | 0.0% |
| 20 or more units | 3.5% | 0.0% |
| Mobile home & other | 4.2% | 3.2% |
Poverty & households
| ZIP 21078 | ZIP 21084 | |
|---|---|---|
| Poverty rate | 9.2% | 4.7% |
| Average household size | 2.39 | 2.67 |
| Mean commute (minutes) | 28 | 39 |
| Median year structure built | 1987 | 1978 |