ZIP 21102 vs ZIP 21104
A side-by-side comparison of ZIP Code 21102 and ZIP Code 21104: population, income, housing, and more.
ZIP 21102 and ZIP 21104 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21102 has the higher population (12,176 vs 5,786 in ZIP 21104). ZIP 21104 has the higher median household income ($199,803 vs $119,535 in ZIP 21102). ZIP 21104 has the higher median home value ($659,700 vs $374,600 in ZIP 21102).
Population, income & housing
| ZIP 21102 | ZIP 21104 | |
|---|---|---|
| Population | 12,176 | 5,786 |
| Median age | 45.0 yrs | 46.0 yrs |
| Median household income | $119,535 | $199,803 |
| Median home value | $374,600 | $659,700 |
| Median gross rent | $1,498 | — |
| Housing units | 4,513 | 1,985 |
| Homeownership rate | 88.9% | 96.9% |
| Bachelor's degree or higher | 32.1% | 63.3% |
| Unemployment rate | 1.9% | 2.5% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21102 | ZIP 21104 | |
|---|---|---|
| Population | 11,787 → 12,176 (+3.3%) | 5,762 → 5,786 (+0.4%) |
| Median household income | $90,500 → $119,535 (+32.1%) | $149,907 → $199,803 (+33.3%) |
| Median home value | $321,700 → $374,600 (+16.4%) | $544,800 → $659,700 (+21.1%) |
| Median gross rent | $950 → $1,498 (+57.7%) | $2,194 → $2,274 (+3.6%) |
ZIP 21102
11,78712,176
$90,500$119,535
$321,700$374,600
$950$1,498
ZIP 21104
5,7625,786
$149,907$199,803
$544,800$659,700
$2,194$2,274
Age & race/ethnicity
Age distribution (share)
| ZIP 21102 | ZIP 21104 | |
|---|---|---|
| Under 5 | 4.6% | 5.2% |
| 5 to 17 | 15.4% | 15.3% |
| 18 to 24 | 7.5% | 9.5% |
| 25 to 34 | 12.7% | 8.2% |
| 35 to 44 | 9.8% | 11.1% |
| 45 to 54 | 12.7% | 12.3% |
| 55 to 64 | 18.2% | 18.9% |
| 65 to 74 | 12.1% | 12.7% |
| 75 and over | 7.0% | 6.7% |
Race & ethnicity (share)
| ZIP 21102 | ZIP 21104 | |
|---|---|---|
| White (non-Hispanic) | 90.2% | 74.9% |
| Black or African American | 2.1% | 4.2% |
| American Indian & Alaska Native | 0.6% | 0.1% |
| Asian | 2.1% | 10.3% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.1% | 2.7% |
| Two or more races | 2.4% | 6.1% |
| Hispanic or Latino | 2.4% | 1.8% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21102 | ZIP 21104 | |
|---|---|---|
| No high school diploma | 2.4% | 1.7% |
| High school graduate | 32.3% | 17.5% |
| Some college or associate's | 33.1% | 17.5% |
| Bachelor's degree | 20.7% | 38.3% |
| Graduate or professional degree | 11.5% | 25.0% |
Commute to work
How workers get to work (share)
| ZIP 21102 | ZIP 21104 | |
|---|---|---|
| Drove alone | 79.3% | 75.6% |
| Carpooled | 8.1% | 3.8% |
| Public transit | 0.0% | 0.2% |
| Walked | 0.0% | 0.3% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 12.3% | 19.6% |
| Other means | 0.3% | 0.4% |
Housing
Units in structure (share)
| ZIP 21102 | ZIP 21104 | |
|---|---|---|
| 1-unit, detached | 87.9% | 87.8% |
| 1-unit, attached | 8.6% | 9.5% |
| 2 to 4 units | 1.7% | 0.0% |
| 5 to 19 units | 1.8% | 2.7% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 0.0% | 0.0% |
Poverty & households
| ZIP 21102 | ZIP 21104 | |
|---|---|---|
| Poverty rate | 4.1% | 2.5% |
| Average household size | 2.71 | 2.98 |
| Mean commute (minutes) | 36 | 30 |
| Median year structure built | 1983 | 1994 |