ZIP 21711 vs ZIP 21718
A side-by-side comparison of ZIP Code 21711 and ZIP Code 21718: population, income, housing, and more.
ZIP 21711 and ZIP 21718 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 21711 has the higher population (789 vs 142 in ZIP 21718). ZIP 21718 has the higher median household income ($102,917 vs $91,083 in ZIP 21711). ZIP 21718 has the higher median home value ($446,900 vs $274,100 in ZIP 21711).
Population, income & housing
| ZIP 21711 | ZIP 21718 | |
|---|---|---|
| Population | 789 | 142 |
| Median age | 54.1 yrs | 54.8 yrs |
| Median household income | $91,083 | $102,917 |
| Median home value | $274,100 | $446,900 |
| Median gross rent | — | $1,104 |
| Housing units | 463 | 68 |
| Homeownership rate | 100.0% | 71.2% |
| Bachelor's degree or higher | 19.2% | 49.1% |
| Unemployment rate | 2.9% | 9.3% |
Trends (ACS 5-year, 2019–2023)
| ZIP 21711 | ZIP 21718 | |
|---|---|---|
| Population | 1,076 → 789 (-26.7%) | 151 → 142 (-6.0%) |
| Median household income | $75,357 → $91,083 (+20.9%) | $80,417 → $102,917 (+28.0%) |
| Median home value | $200,900 → $274,100 (+36.4%) | $408,000 → $446,900 (+9.5%) |
| Median gross rent | $855 → $810 (-5.3%) | $1,281 → $1,104 (-13.8%) |
ZIP 21711
1,076789
$75,357$91,083
$200,900$274,100
$855$810
ZIP 21718
151142
$80,417$102,917
$408,000$446,900
$1,281$1,104
Age & race/ethnicity
Age distribution (share)
| ZIP 21711 | ZIP 21718 | |
|---|---|---|
| Under 5 | 4.9% | 2.1% |
| 5 to 17 | 4.1% | 12.7% |
| 18 to 24 | 2.0% | 4.9% |
| 25 to 34 | 7.5% | 6.3% |
| 35 to 44 | 11.2% | 4.2% |
| 45 to 54 | 23.3% | 21.1% |
| 55 to 64 | 22.6% | 19.7% |
| 65 to 74 | 22.6% | 23.2% |
| 75 and over | 1.9% | 5.6% |
Race & ethnicity (share)
| ZIP 21711 | ZIP 21718 | |
|---|---|---|
| White (non-Hispanic) | 100.0% | 91.5% |
| Black or African American | 0.0% | 0.0% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 0.0% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 4.2% |
| Two or more races | 0.0% | 4.2% |
| Hispanic or Latino | 0.0% | 0.0% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 21711 | ZIP 21718 | |
|---|---|---|
| No high school diploma | 5.6% | 1.8% |
| High school graduate | 46.0% | 28.9% |
| Some college or associate's | 29.2% | 20.2% |
| Bachelor's degree | 13.7% | 21.1% |
| Graduate or professional degree | 5.6% | 28.1% |
Commute to work
How workers get to work (share)
| ZIP 21711 | ZIP 21718 | |
|---|---|---|
| Drove alone | 87.6% | 74.0% |
| Carpooled | 4.3% | 2.6% |
| Public transit | 0.0% | 3.9% |
| Walked | 0.0% | 3.9% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 8.1% | 14.3% |
| Other means | 0.0% | 1.3% |
Housing
Units in structure (share)
| ZIP 21711 | ZIP 21718 | |
|---|---|---|
| 1-unit, detached | 98.5% | 88.2% |
| 1-unit, attached | 0.0% | 1.5% |
| 2 to 4 units | 0.0% | 2.9% |
| 5 to 19 units | 0.0% | 7.4% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 1.5% | 0.0% |
Poverty & households
| ZIP 21711 | ZIP 21718 | |
|---|---|---|
| Poverty rate | 14.1% | 4.2% |
| Average household size | 1.94 | 2.15 |
| Mean commute (minutes) | 32 | 33 |
| Median year structure built | 1981 | 1938 |