US Census Data

ZIP 21643 vs ZIP 21651

A side-by-side comparison of ZIP Code 21643 and ZIP Code 21651: population, income, housing, and more.

ZIP 21643 and ZIP 21651 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 2,448 in ZIP 21651). ZIP 21651 has the higher median household income ($71,983 vs $61,708 in ZIP 21643). ZIP 21651 has the higher median home value ($259,500 vs $220,000 in ZIP 21643).

Population, income & housing

ZIP 21643ZIP 21651
Population5,1762,448
Median age40.3 yrs37.6 yrs
Median household income$61,708$71,983
Median home value$220,000$259,500
Median gross rent$739$1,245
Housing units2,3231,142
Homeownership rate84.4%81.1%
Bachelor's degree or higher10.5%17.0%
Unemployment rate4.7%3.1%

Trends (ACS 5-year, 2019–2023)

ZIP 21643ZIP 21651
Population5,864 → 5,176 (-11.7%)2,894 → 2,448 (-15.4%)
Median household income$58,567 → $61,708 (+5.4%)$60,246 → $71,983 (+19.5%)
Median home value$153,300 → $220,000 (+43.5%)$222,500 → $259,500 (+16.6%)
Median gross rent$724 → $739 (+2.1%)$1,058 → $1,245 (+17.7%)

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

ZIP 21651

Population
2,8942,448
Median household income
$60,246$71,983
Median home value
$222,500$259,500
Median gross rent
$1,058$1,245

Age & race/ethnicity

Age distribution (share)

ZIP 21643ZIP 21651
Under 56.9%6.8%
5 to 1716.9%16.3%
18 to 247.2%9.3%
25 to 3411.6%15.3%
35 to 4412.9%7.9%
45 to 5411.7%13.7%
55 to 6411.0%13.6%
65 to 7412.6%12.0%
75 and over9.3%5.1%

Race & ethnicity (share)

ZIP 21643ZIP 21651
White (non-Hispanic)60.5%75.8%
Black or African American28.5%11.2%
American Indian & Alaska Native0.0%0.1%
Asian0.8%0.2%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race2.1%0.0%
Two or more races4.1%1.3%
Hispanic or Latino4.0%11.4%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21643ZIP 21651
No high school diploma18.3%9.7%
High school graduate37.9%46.2%
Some college or associate's33.3%27.1%
Bachelor's degree7.3%9.4%
Graduate or professional degree3.2%7.6%

Commute to work

How workers get to work (share)

ZIP 21643ZIP 21651
Drove alone86.8%86.9%
Carpooled6.9%6.5%
Public transit0.0%1.6%
Walked0.5%1.9%
Bicycle0.0%0.0%
Worked from home5.0%2.7%
Other means0.7%0.2%

Housing

Units in structure (share)

ZIP 21643ZIP 21651
1-unit, detached76.6%95.2%
1-unit, attached0.4%0.5%
2 to 4 units2.1%1.2%
5 to 19 units3.8%1.1%
20 or more units3.2%0.0%
Mobile home & other13.9%1.9%

Poverty & households

ZIP 21643ZIP 21651
Poverty rate16.3%8.7%
Average household size2.562.42
Mean commute (minutes)3337
Median year structure built19831981

Full profiles

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