US Census Data

ZIP 21634 vs ZIP 21643

A side-by-side comparison of ZIP Code 21634 and ZIP Code 21643: population, income, housing, and more.

ZIP 21634 and ZIP 21643 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21643 has the higher population (5,176 vs 394 in ZIP 21634). ZIP 21643 has the higher median household income ($61,708 vs $58,750 in ZIP 21634). ZIP 21634 has the higher median home value ($275,000 vs $220,000 in ZIP 21643).

Population, income & housing

ZIP 21634ZIP 21643
Population3945,176
Median age55.5 yrs40.3 yrs
Median household income$58,750$61,708
Median home value$275,000$220,000
Median gross rent$739
Housing units3422,323
Homeownership rate100.0%84.4%
Bachelor's degree or higher28.5%10.5%
Unemployment rate0.0%4.7%

Trends (ACS 5-year, 2019–2023)

ZIP 21634ZIP 21643
Population198 → 394 (+99.0%)5,864 → 5,176 (-11.7%)
Median household income$46,250 → $58,750 (+27.0%)$58,567 → $61,708 (+5.4%)
Median home value$354,800 → $275,000 (-22.5%)$153,300 → $220,000 (+43.5%)
Median gross rent$724 → $739 (+2.1%)

ZIP 21634

Population
198394
Median household income
$46,250$58,750
Median home value
$354,800$275,000

ZIP 21643

Population
5,8645,176
Median household income
$58,567$61,708
Median home value
$153,300$220,000
Median gross rent
$724$739

Age & race/ethnicity

Age distribution (share)

ZIP 21634ZIP 21643
Under 518.5%6.9%
5 to 177.9%16.9%
18 to 244.1%7.2%
25 to 3410.7%11.6%
35 to 441.5%12.9%
45 to 546.3%11.7%
55 to 6417.3%11.0%
65 to 7425.4%12.6%
75 and over8.4%9.3%

Race & ethnicity (share)

ZIP 21634ZIP 21643
White (non-Hispanic)99.0%60.5%
Black or African American0.0%28.5%
American Indian & Alaska Native0.0%0.0%
Asian0.0%0.8%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%2.1%
Two or more races1.0%4.1%
Hispanic or Latino0.0%4.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21634ZIP 21643
No high school diploma4.4%18.3%
High school graduate38.7%37.9%
Some college or associate's28.5%33.3%
Bachelor's degree18.6%7.3%
Graduate or professional degree9.9%3.2%

Commute to work

How workers get to work (share)

ZIP 21634ZIP 21643
Drove alone82.4%86.8%
Carpooled11.1%6.9%
Public transit3.3%0.0%
Walked0.0%0.5%
Bicycle0.0%0.0%
Worked from home3.3%5.0%
Other means0.0%0.7%

Housing

Units in structure (share)

ZIP 21634ZIP 21643
1-unit, detached93.9%76.6%
1-unit, attached0.0%0.4%
2 to 4 units1.2%2.1%
5 to 19 units0.0%3.8%
20 or more units0.0%3.2%
Mobile home & other5.0%13.9%

Poverty & households

ZIP 21634ZIP 21643
Poverty rate2.3%16.3%
Average household size2.262.56
Mean commute (minutes)1933
Median year structure built19521983

Full profiles

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ZIP 21634 vs ZIP 21643: Compare Population & Demographics | US Census Data