US Census Data

ZIP 21222 vs ZIP 21231

A side-by-side comparison of ZIP Code 21222 and ZIP Code 21231: population, income, housing, and more.

ZIP 21222 and ZIP 21231 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21222 has the higher population (58,935 vs 14,556 in ZIP 21231). ZIP 21231 has the higher median household income ($85,382 vs $61,934 in ZIP 21222). ZIP 21231 has the higher median home value ($336,500 vs $200,800 in ZIP 21222).

Population, income & housing

ZIP 21222ZIP 21231
Population58,93514,556
Median age36.3 yrs32.4 yrs
Median household income$61,934$85,382
Median home value$200,800$336,500
Median gross rent$1,390$1,710
Housing units24,0549,342
Homeownership rate63.4%35.0%
Bachelor's degree or higher13.5%65.9%
Unemployment rate7.4%4.4%

Trends (ACS 5-year, 2019–2023)

ZIP 21222ZIP 21231
Population55,212 → 58,935 (+6.7%)15,854 → 14,556 (-8.2%)
Median household income$55,386 → $61,934 (+11.8%)$71,408 → $85,382 (+19.6%)
Median home value$150,800 → $200,800 (+33.2%)$294,700 → $336,500 (+14.2%)
Median gross rent$1,130 → $1,390 (+23.0%)$1,294 → $1,710 (+32.1%)

ZIP 21222

Population
55,21258,935
Median household income
$55,386$61,934
Median home value
$150,800$200,800
Median gross rent
$1,130$1,390

ZIP 21231

Population
15,85414,556
Median household income
$71,408$85,382
Median home value
$294,700$336,500
Median gross rent
$1,294$1,710

Age & race/ethnicity

Age distribution (share)

ZIP 21222ZIP 21231
Under 56.5%6.0%
5 to 1718.6%8.4%
18 to 248.1%8.6%
25 to 3415.2%33.2%
35 to 4414.7%16.3%
45 to 5410.1%10.4%
55 to 6411.4%9.0%
65 to 749.6%6.1%
75 and over5.7%2.1%

Race & ethnicity (share)

ZIP 21222ZIP 21231
White (non-Hispanic)59.1%52.9%
Black or African American17.7%29.4%
American Indian & Alaska Native0.4%0.1%
Asian2.4%4.3%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.3%0.4%
Two or more races5.1%4.3%
Hispanic or Latino15.0%8.6%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21222ZIP 21231
No high school diploma15.1%5.5%
High school graduate41.8%14.3%
Some college or associate's29.5%14.3%
Bachelor's degree9.4%34.8%
Graduate or professional degree4.2%31.1%

Commute to work

How workers get to work (share)

ZIP 21222ZIP 21231
Drove alone77.2%46.3%
Carpooled9.3%3.8%
Public transit4.2%4.8%
Walked2.3%17.2%
Bicycle0.2%1.6%
Worked from home5.0%24.8%
Other means1.8%1.4%

Housing

Units in structure (share)

ZIP 21222ZIP 21231
1-unit, detached37.6%3.2%
1-unit, attached43.5%47.7%
2 to 4 units6.0%13.7%
5 to 19 units7.8%8.6%
20 or more units3.0%26.7%
Mobile home & other2.0%0.1%

Poverty & households

ZIP 21222ZIP 21231
Poverty rate18.2%19.9%
Average household size2.631.85
Mean commute (minutes)2626
Median year structure built19551938

Full profiles

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ZIP 21222 vs ZIP 21231: Compare Population & Demographics | US Census Data