ZIP 20645 vs ZIP 20646
A side-by-side comparison of ZIP Code 20645 and ZIP Code 20646: population, income, housing, and more.
ZIP 20645 and ZIP 20646 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 20646 has the higher population (21,601 vs 717 in ZIP 20645). ZIP 20645 has the higher median household income ($176,591 vs $130,008 in ZIP 20646). ZIP 20645 has the higher median home value ($516,400 vs $435,100 in ZIP 20646).
Population, income & housing
| ZIP 20645 | ZIP 20646 | |
|---|---|---|
| Population | 717 | 21,601 |
| Median age | 54.6 yrs | 43.4 yrs |
| Median household income | $176,591 | $130,008 |
| Median home value | $516,400 | $435,100 |
| Median gross rent | — | $1,486 |
| Housing units | 276 | 8,263 |
| Homeownership rate | 95.7% | 85.1% |
| Bachelor's degree or higher | 43.0% | 33.4% |
| Unemployment rate | 0.0% | 3.3% |
Trends (ACS 5-year, 2019–2023)
| ZIP 20645 | ZIP 20646 | |
|---|---|---|
| Population | 749 → 717 (-4.3%) | 21,951 → 21,601 (-1.6%) |
| Median household income | $123,125 → $176,591 (+43.4%) | $103,453 → $130,008 (+25.7%) |
| Median home value | $350,600 → $516,400 (+47.3%) | $360,700 → $435,100 (+20.6%) |
| Median gross rent | — | $1,413 → $1,486 (+5.2%) |
ZIP 20645
749717
$123,125$176,591
$350,600$516,400
ZIP 20646
21,95121,601
$103,453$130,008
$360,700$435,100
$1,413$1,486
Age & race/ethnicity
Age distribution (share)
| ZIP 20645 | ZIP 20646 | |
|---|---|---|
| Under 5 | 0.0% | 4.2% |
| 5 to 17 | 22.9% | 17.1% |
| 18 to 24 | 4.7% | 8.1% |
| 25 to 34 | 0.0% | 10.4% |
| 35 to 44 | 9.1% | 12.3% |
| 45 to 54 | 13.9% | 15.6% |
| 55 to 64 | 21.1% | 15.4% |
| 65 to 74 | 5.7% | 9.3% |
| 75 and over | 22.6% | 7.6% |
Race & ethnicity (share)
| ZIP 20645 | ZIP 20646 | |
|---|---|---|
| White (non-Hispanic) | 88.6% | 61.8% |
| Black or African American | 2.0% | 23.8% |
| American Indian & Alaska Native | 0.6% | 0.2% |
| Asian | 0.0% | 3.2% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.6% |
| Two or more races | 8.9% | 6.1% |
| Hispanic or Latino | 0.0% | 4.3% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 20645 | ZIP 20646 | |
|---|---|---|
| No high school diploma | 2.1% | 5.0% |
| High school graduate | 32.2% | 28.5% |
| Some college or associate's | 22.7% | 33.1% |
| Bachelor's degree | 17.1% | 19.2% |
| Graduate or professional degree | 25.8% | 14.2% |
Commute to work
How workers get to work (share)
| ZIP 20645 | ZIP 20646 | |
|---|---|---|
| Drove alone | 64.0% | 71.5% |
| Carpooled | 0.0% | 7.4% |
| Public transit | 0.0% | 2.2% |
| Walked | 0.0% | 0.5% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 36.0% | 17.6% |
| Other means | 0.0% | 0.8% |
Housing
Units in structure (share)
| ZIP 20645 | ZIP 20646 | |
|---|---|---|
| 1-unit, detached | 100.0% | 72.9% |
| 1-unit, attached | 0.0% | 16.6% |
| 2 to 4 units | 0.0% | 1.2% |
| 5 to 19 units | 0.0% | 4.2% |
| 20 or more units | 0.0% | 4.3% |
| Mobile home & other | 0.0% | 0.9% |
Poverty & households
| ZIP 20645 | ZIP 20646 | |
|---|---|---|
| Poverty rate | 0.0% | 4.0% |
| Average household size | 2.60 | 2.74 |
| Mean commute (minutes) | 62 | 39 |
| Median year structure built | 1994 | 1988 |