ZIP 21155 vs ZIP 21156
A side-by-side comparison of ZIP Code 21155 and ZIP Code 21156: population, income, housing, and more.
ZIP 21155 and ZIP 21156 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21155 has the higher population (3,124 vs 297 in ZIP 21156). ZIP 21156 has the higher median household income ($124,648 vs $124,219 in ZIP 21155). ZIP 21155 has the higher median home value ($537,700 vs $486,500 in ZIP 21156).
Population, income & housing
| ZIP 21155 | ZIP 21156 | |
|---|---|---|
| Population | 3,124 | 297 |
| Median age | 37.1 yrs | 34.2 yrs |
| Median household income | $124,219 | $124,648 |
| Median home value | $537,700 | $486,500 |
| Median gross rent | $1,367 | — |
| Housing units | 1,098 | 83 |
| Homeownership rate | 82.8% | 100.0% |
| Bachelor's degree or higher | 48.7% | 65.5% |
| Unemployment rate | 1.9% | 0.0% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21155 | ZIP 21156 | |
|---|---|---|
| Population | 2,532 → 3,124 (+23.4%) | 316 → 297 (-6.0%) |
| Median household income | $106,731 → $124,219 (+16.4%) | $112,222 → $124,648 (+11.1%) |
| Median home value | $373,300 → $537,700 (+44.0%) | $339,000 → $486,500 (+43.5%) |
| Median gross rent | $1,281 → $1,367 (+6.7%) | — |
ZIP 21155
2,5323,124
$106,731$124,219
$373,300$537,700
$1,281$1,367
ZIP 21156
316297
$112,222$124,648
$339,000$486,500
Age & race/ethnicity
Age distribution (share)
| ZIP 21155 | ZIP 21156 | |
|---|---|---|
| Under 5 | 5.3% | 32.0% |
| 5 to 17 | 20.0% | 4.4% |
| 18 to 24 | 5.6% | 5.1% |
| 25 to 34 | 16.2% | 17.5% |
| 35 to 44 | 9.7% | 19.2% |
| 45 to 54 | 10.8% | 0.0% |
| 55 to 64 | 12.2% | 18.5% |
| 65 to 74 | 10.0% | 3.4% |
| 75 and over | 10.2% | 0.0% |
Race & ethnicity (share)
| ZIP 21155 | ZIP 21156 | |
|---|---|---|
| White (non-Hispanic) | 93.8% | 89.6% |
| Black or African American | 1.5% | 0.0% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 1.1% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 1.7% | 10.4% |
| Hispanic or Latino | 1.8% | 0.0% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21155 | ZIP 21156 | |
|---|---|---|
| No high school diploma | 1.0% | 0.0% |
| High school graduate | 28.2% | 9.2% |
| Some college or associate's | 22.1% | 25.3% |
| Bachelor's degree | 31.9% | 35.6% |
| Graduate or professional degree | 16.8% | 29.9% |
Commute to work
How workers get to work (share)
| ZIP 21155 | ZIP 21156 | |
|---|---|---|
| Drove alone | 81.2% | 41.8% |
| Carpooled | 1.5% | 0.0% |
| Public transit | 0.0% | 0.0% |
| Walked | 1.3% | 0.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 15.5% | 58.2% |
| Other means | 0.4% | 0.0% |
Housing
Units in structure (share)
| ZIP 21155 | ZIP 21156 | |
|---|---|---|
| 1-unit, detached | 85.5% | 100.0% |
| 1-unit, attached | 7.1% | 0.0% |
| 2 to 4 units | 2.9% | 0.0% |
| 5 to 19 units | 0.9% | 0.0% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 3.6% | 0.0% |
Poverty & households
| ZIP 21155 | ZIP 21156 | |
|---|---|---|
| Poverty rate | 5.6% | 0.0% |
| Average household size | 2.98 | 3.58 |
| Mean commute (minutes) | 29 | — |
| Median year structure built | 1972 | 1957 |