ZIP 20684 vs ZIP 20688
A side-by-side comparison of ZIP Code 20684 and ZIP Code 20688: population, income, housing, and more.
ZIP 20684 and ZIP 20688 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 20688 has the higher population (1,113 vs 825 in ZIP 20684). ZIP 20684 has the higher median household income ($176,938 vs $88,902 in ZIP 20688). Since 2019, ZIP 20684's population has grown faster (-22.6% vs -36.4%).
Population, income & housing
| ZIP 20684 | ZIP 20688 | |
|---|---|---|
| Population | 825 | 1,113 |
| Median age | 44.5 yrs | 72.1 yrs |
| Median household income | $176,938 | $88,902 |
| Median home value | $375,500 | — |
| Median gross rent | — | $3,000 |
| Housing units | 355 | 726 |
| Homeownership rate | 94.6% | 50.4% |
| Bachelor's degree or higher | 50.7% | 44.1% |
| Unemployment rate | 0.0% | 3.8% |
Trends (ACS 5-year, 2019–2023)
| ZIP 20684 | ZIP 20688 | |
|---|---|---|
| Population | 1,066 → 825 (-22.6%) | 1,749 → 1,113 (-36.4%) |
| Median household income | $107,500 → $176,938 (+64.6%) | $101,000 → $88,902 (-12.0%) |
| Median home value | $302,800 → $375,500 (+24.0%) | $389,600 → $436,800 (+12.1%) |
| Median gross rent | — | $2,313 → $3,000 (+29.7%) |
ZIP 20684
1,066825
$107,500$176,938
$302,800$375,500
ZIP 20688
1,7491,113
$101,000$88,902
$389,600$436,800
$2,313$3,000
Age & race/ethnicity
Age distribution (share)
| ZIP 20684 | ZIP 20688 | |
|---|---|---|
| Under 5 | 0.0% | 0.0% |
| 5 to 17 | 13.5% | 0.0% |
| 18 to 24 | 6.4% | 0.0% |
| 25 to 34 | 9.1% | 12.6% |
| 35 to 44 | 24.7% | 0.0% |
| 45 to 54 | 13.1% | 3.3% |
| 55 to 64 | 10.4% | 25.7% |
| 65 to 74 | 15.4% | 17.1% |
| 75 and over | 7.4% | 41.3% |
Race & ethnicity (share)
| ZIP 20684 | ZIP 20688 | |
|---|---|---|
| White (non-Hispanic) | 87.9% | 97.5% |
| Black or African American | 1.2% | 0.3% |
| 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% | 0.0% |
| Two or more races | 10.8% | 0.1% |
| Hispanic or Latino | 0.1% | 2.2% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 20684 | ZIP 20688 | |
|---|---|---|
| No high school diploma | 0.0% | 1.1% |
| High school graduate | 37.2% | 21.8% |
| Some college or associate's | 12.1% | 33.0% |
| Bachelor's degree | 41.0% | 18.9% |
| Graduate or professional degree | 9.7% | 25.2% |
Commute to work
How workers get to work (share)
| ZIP 20684 | ZIP 20688 | |
|---|---|---|
| Drove alone | 79.3% | 56.1% |
| Carpooled | 0.0% | 0.0% |
| Public transit | 0.0% | 0.0% |
| Walked | 0.4% | 0.4% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 17.2% | 39.5% |
| Other means | 3.1% | 3.9% |
Housing
Units in structure (share)
| ZIP 20684 | ZIP 20688 | |
|---|---|---|
| 1-unit, detached | 95.5% | 20.8% |
| 1-unit, attached | 4.5% | 21.5% |
| 2 to 4 units | 0.0% | 0.0% |
| 5 to 19 units | 0.0% | 11.7% |
| 20 or more units | 0.0% | 46.0% |
| Mobile home & other | 0.0% | 0.0% |
Poverty & households
| ZIP 20684 | ZIP 20688 | |
|---|---|---|
| Poverty rate | 1.1% | 0.2% |
| Average household size | 2.32 | 1.67 |
| Mean commute (minutes) | 23 | 34 |
| Median year structure built | 1995 | 1996 |