US Census Data

ZIP 21230 vs ZIP 21236

A side-by-side comparison of ZIP Code 21230 and ZIP Code 21236: population, income, housing, and more.

ZIP 21230 and ZIP 21236 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21236 has the higher population (39,653 vs 33,509 in ZIP 21230). ZIP 21230 has the higher median household income ($94,164 vs $92,130 in ZIP 21236). ZIP 21230 has the higher median home value ($327,700 vs $306,800 in ZIP 21236).

Population, income & housing

ZIP 21230ZIP 21236
Population33,50939,653
Median age33.0 yrs38.2 yrs
Median household income$94,164$92,130
Median home value$327,700$306,800
Median gross rent$1,771$1,591
Housing units18,07016,267
Homeownership rate49.6%69.2%
Bachelor's degree or higher58.8%40.0%
Unemployment rate3.4%3.0%

Trends (ACS 5-year, 2019–2023)

ZIP 21230ZIP 21236
Population34,274 → 33,509 (-2.2%)39,707 → 39,653 (-0.1%)
Median household income$85,150 → $94,164 (+10.6%)$79,470 → $92,130 (+15.9%)
Median home value$276,100 → $327,700 (+18.7%)$245,700 → $306,800 (+24.9%)
Median gross rent$1,490 → $1,771 (+18.9%)$1,338 → $1,591 (+18.9%)

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 21236

Population
39,70739,653
Median household income
$79,470$92,130
Median home value
$245,700$306,800
Median gross rent
$1,338$1,591

Age & race/ethnicity

Age distribution (share)

ZIP 21230ZIP 21236
Under 56.2%6.0%
5 to 1713.1%16.3%
18 to 246.5%7.5%
25 to 3428.9%15.1%
35 to 4415.7%13.2%
45 to 548.3%11.8%
55 to 6410.3%12.9%
65 to 747.5%10.2%
75 and over3.5%7.0%

Race & ethnicity (share)

ZIP 21230ZIP 21236
White (non-Hispanic)55.0%55.7%
Black or African American23.0%18.8%
American Indian & Alaska Native0.1%0.0%
Asian3.5%15.8%
Native Hawaiian & Pacific Islander0.0%0.1%
Some other race1.3%0.6%
Two or more races4.1%3.2%
Hispanic or Latino13.0%5.6%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21230ZIP 21236
No high school diploma11.8%8.5%
High school graduate13.7%24.1%
Some college or associate's15.7%27.4%
Bachelor's degree31.5%25.2%
Graduate or professional degree27.3%14.8%

Commute to work

How workers get to work (share)

ZIP 21230ZIP 21236
Drove alone59.7%73.9%
Carpooled6.9%8.1%
Public transit4.3%1.6%
Walked6.2%0.6%
Bicycle1.3%0.2%
Worked from home19.9%13.7%
Other means1.8%1.9%

Housing

Units in structure (share)

ZIP 21230ZIP 21236
1-unit, detached6.1%41.0%
1-unit, attached61.5%28.9%
2 to 4 units5.7%2.1%
5 to 19 units4.3%21.9%
20 or more units22.2%5.7%
Mobile home & other0.1%0.5%

Poverty & households

ZIP 21230ZIP 21236
Poverty rate15.8%8.8%
Average household size2.082.54
Mean commute (minutes)2629
Median year structure built19461980

Full profiles

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ZIP 21230 vs ZIP 21236: Compare Population & Demographics | US Census Data