US Census Data

ZIP 21230 vs ZIP 21239

A side-by-side comparison of ZIP Code 21230 and ZIP Code 21239: population, income, housing, and more.

ZIP 21230 and ZIP 21239 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21230 has the higher population (33,509 vs 28,635 in ZIP 21239). ZIP 21230 has the higher median household income ($94,164 vs $64,288 in ZIP 21239). ZIP 21230 has the higher median home value ($327,700 vs $191,200 in ZIP 21239).

Population, income & housing

ZIP 21230ZIP 21239
Population33,50928,635
Median age33.0 yrs36.3 yrs
Median household income$94,164$64,288
Median home value$327,700$191,200
Median gross rent$1,771$1,337
Housing units18,07012,621
Homeownership rate49.6%56.1%
Bachelor's degree or higher58.8%33.0%
Unemployment rate3.4%5.7%

Trends (ACS 5-year, 2019–2023)

ZIP 21230ZIP 21239
Population34,274 → 33,509 (-2.2%)30,424 → 28,635 (-5.9%)
Median household income$85,150 → $94,164 (+10.6%)$55,555 → $64,288 (+15.7%)
Median home value$276,100 → $327,700 (+18.7%)$153,400 → $191,200 (+24.6%)
Median gross rent$1,490 → $1,771 (+18.9%)$1,140 → $1,337 (+17.3%)

ZIP 21230

Population
34,27433,509
Median household income
$85,150$94,164
Median home value
$276,100$327,700
Median gross rent
$1,490$1,771

ZIP 21239

Population
30,42428,635
Median household income
$55,555$64,288
Median home value
$153,400$191,200
Median gross rent
$1,140$1,337

Age & race/ethnicity

Age distribution (share)

ZIP 21230ZIP 21239
Under 56.2%8.3%
5 to 1713.1%13.9%
18 to 246.5%10.5%
25 to 3428.9%15.9%
35 to 4415.7%10.6%
45 to 548.3%10.4%
55 to 6410.3%13.4%
65 to 747.5%9.9%
75 and over3.5%7.0%

Race & ethnicity (share)

ZIP 21230ZIP 21239
White (non-Hispanic)55.0%12.1%
Black or African American23.0%75.7%
American Indian & Alaska Native0.1%0.0%
Asian3.5%4.5%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race1.3%0.1%
Two or more races4.1%3.2%
Hispanic or Latino13.0%4.4%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21230ZIP 21239
No high school diploma11.8%6.7%
High school graduate13.7%28.1%
Some college or associate's15.7%32.2%
Bachelor's degree31.5%17.4%
Graduate or professional degree27.3%15.5%

Commute to work

How workers get to work (share)

ZIP 21230ZIP 21239
Drove alone59.7%61.9%
Carpooled6.9%9.3%
Public transit4.3%6.1%
Walked6.2%3.0%
Bicycle1.3%0.0%
Worked from home19.9%16.4%
Other means1.8%3.3%

Housing

Units in structure (share)

ZIP 21230ZIP 21239
1-unit, detached6.1%10.5%
1-unit, attached61.5%54.2%
2 to 4 units5.7%12.5%
5 to 19 units4.3%16.4%
20 or more units22.2%6.3%
Mobile home & other0.1%0.0%

Poverty & households

ZIP 21230ZIP 21239
Poverty rate15.8%11.1%
Average household size2.082.37
Mean commute (minutes)2627
Median year structure built19461956

Full profiles

2