US Census Data

ZIP 21521 vs ZIP 21529

A side-by-side comparison of ZIP Code 21521 and ZIP Code 21529: population, income, housing, and more.

ZIP 21521 and ZIP 21529 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21521 has the higher population (1,521 vs 516 in ZIP 21529). ZIP 21521 has the higher median household income ($69,758 vs $34,167 in ZIP 21529). ZIP 21529 has the higher median home value ($145,200 vs $130,900 in ZIP 21521).

Population, income & housing

ZIP 21521ZIP 21529
Population1,521516
Median age54.2 yrs51.5 yrs
Median household income$69,758$34,167
Median home value$130,900$145,200
Median gross rent$917
Housing units747304
Homeownership rate93.6%73.0%
Bachelor's degree or higher10.1%3.1%
Unemployment rate12.6%9.0%

Trends (ACS 5-year, 2019–2023)

ZIP 21521ZIP 21529
Population1,102 → 1,521 (+38.0%)434 → 516 (+18.9%)
Median household income$41,193 → $69,758 (+69.3%)$44,524 → $34,167 (-23.3%)
Median home value$95,100 → $130,900 (+37.6%)$116,700 → $145,200 (+24.4%)
Median gross rent$741 → $917 (+23.8%)$960 → $850 (-11.5%)

ZIP 21521

Population
1,1021,521
Median household income
$41,193$69,758
Median home value
$95,100$130,900
Median gross rent
$741$917

ZIP 21529

Population
434516
Median household income
$44,524$34,167
Median home value
$116,700$145,200
Median gross rent
$960$850

Age & race/ethnicity

Age distribution (share)

ZIP 21521ZIP 21529
Under 54.3%1.6%
5 to 1710.9%8.1%
18 to 245.9%14.7%
25 to 347.3%8.7%
35 to 447.4%4.7%
45 to 5417.4%13.8%
55 to 6420.6%16.3%
65 to 7411.0%11.0%
75 and over15.2%21.1%

Race & ethnicity (share)

ZIP 21521ZIP 21529
White (non-Hispanic)99.0%92.2%
Black or African American0.0%0.0%
American Indian & Alaska Native0.0%0.0%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.4%0.0%
Two or more races0.3%6.8%
Hispanic or Latino0.3%1.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21521ZIP 21529
No high school diploma10.7%19.5%
High school graduate44.0%52.3%
Some college or associate's35.2%25.1%
Bachelor's degree1.8%2.1%
Graduate or professional degree8.3%1.0%

Commute to work

How workers get to work (share)

ZIP 21521ZIP 21529
Drove alone87.7%93.5%
Carpooled3.8%6.5%
Public transit0.0%0.0%
Walked0.2%0.0%
Bicycle0.0%0.0%
Worked from home3.8%0.0%
Other means4.5%0.0%

Housing

Units in structure (share)

ZIP 21521ZIP 21529
1-unit, detached85.9%96.1%
1-unit, attached4.8%0.0%
2 to 4 units1.5%3.9%
5 to 19 units1.6%0.0%
20 or more units0.0%0.0%
Mobile home & other6.2%0.0%

Poverty & households

ZIP 21521ZIP 21529
Poverty rate11.4%17.2%
Average household size2.421.86
Mean commute (minutes)2927
Median year structure built19651962

Full profiles

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ZIP 21521 vs ZIP 21529: Compare Population & Demographics | US Census Data