ZIP 20688 vs ZIP 20689
A side-by-side comparison of ZIP Code 20688 and ZIP Code 20689: population, income, housing, and more.
ZIP 20688 and ZIP 20689 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 20689 has the higher population (2,046 vs 1,113 in ZIP 20688). ZIP 20689 has the higher median household income ($174,583 vs $88,902 in ZIP 20688). Since 2019, ZIP 20689's population has grown faster (-1.7% vs -36.4%).
Population, income & housing
| ZIP 20688 | ZIP 20689 | |
|---|---|---|
| Population | 1,113 | 2,046 |
| Median age | 72.1 yrs | 47.1 yrs |
| Median household income | $88,902 | $174,583 |
| Median home value | — | $468,400 |
| Median gross rent | $3,000 | $1,805 |
| Housing units | 726 | 635 |
| Homeownership rate | 50.4% | 88.5% |
| Bachelor's degree or higher | 44.1% | 30.9% |
| Unemployment rate | 3.8% | 1.9% |
Trends (ACS 5-year, 2019–2023)
| ZIP 20688 | ZIP 20689 | |
|---|---|---|
| Population | 1,749 → 1,113 (-36.4%) | 2,081 → 2,046 (-1.7%) |
| Median household income | $101,000 → $88,902 (-12.0%) | $155,000 → $174,583 (+12.6%) |
| Median home value | $389,600 → $436,800 (+12.1%) | $393,300 → $468,400 (+19.1%) |
| Median gross rent | $2,313 → $3,000 (+29.7%) | — |
ZIP 20688
1,7491,113
$101,000$88,902
$389,600$436,800
$2,313$3,000
ZIP 20689
2,0812,046
$155,000$174,583
$393,300$468,400
Age & race/ethnicity
Age distribution (share)
| ZIP 20688 | ZIP 20689 | |
|---|---|---|
| Under 5 | 0.0% | 4.5% |
| 5 to 17 | 0.0% | 17.6% |
| 18 to 24 | 0.0% | 8.5% |
| 25 to 34 | 12.6% | 7.3% |
| 35 to 44 | 0.0% | 10.9% |
| 45 to 54 | 3.3% | 29.9% |
| 55 to 64 | 25.7% | 10.2% |
| 65 to 74 | 17.1% | 6.4% |
| 75 and over | 41.3% | 4.7% |
Race & ethnicity (share)
| ZIP 20688 | ZIP 20689 | |
|---|---|---|
| White (non-Hispanic) | 97.5% | 73.9% |
| Black or African American | 0.3% | 21.5% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 0.0% | 1.6% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 0.1% | 3.1% |
| Hispanic or Latino | 2.2% | 0.0% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 20688 | ZIP 20689 | |
|---|---|---|
| No high school diploma | 1.1% | 1.2% |
| High school graduate | 21.8% | 37.7% |
| Some college or associate's | 33.0% | 30.2% |
| Bachelor's degree | 18.9% | 18.3% |
| Graduate or professional degree | 25.2% | 12.7% |
Commute to work
How workers get to work (share)
| ZIP 20688 | ZIP 20689 | |
|---|---|---|
| Drove alone | 56.1% | 83.1% |
| Carpooled | 0.0% | 5.0% |
| Public transit | 0.0% | 0.0% |
| Walked | 0.4% | 0.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 39.5% | 10.9% |
| Other means | 3.9% | 1.0% |
Housing
Units in structure (share)
| ZIP 20688 | ZIP 20689 | |
|---|---|---|
| 1-unit, detached | 20.8% | 94.5% |
| 1-unit, attached | 21.5% | 0.0% |
| 2 to 4 units | 0.0% | 0.0% |
| 5 to 19 units | 11.7% | 1.9% |
| 20 or more units | 46.0% | 0.0% |
| Mobile home & other | 0.0% | 3.6% |
Poverty & households
| ZIP 20688 | ZIP 20689 | |
|---|---|---|
| Poverty rate | 0.2% | 2.7% |
| Average household size | 1.67 | 3.22 |
| Mean commute (minutes) | 34 | 42 |
| Median year structure built | 1996 | 1985 |