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ZIP 21231 · Baltimore

Who lives in ZIP code 21231 (Baltimore, MD): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Baltimore, MD · Baltimore County

uszips 2026
People14,969
Median age32.7
Household income$85,254
Home value$352,098
Median rent$1,796/mo
Poverty20.6%
College degree+64.4%
Commute24 min

Place

Metro area
Baltimore-Columbia-Towson, MD
Wider region
Washington-Baltimore-Arlington, DC-MD-VA-WV-PA
Time zone
Eastern
Density
6,663 / sq mi
Housing units
8,136

County

Baltimore100%

Share of the ZIP's people in each county.

Age mix

Under 108.3%
10–196.1%
20s27.3%
30s24.8%
40s11.9%
50s7.7%
60s7.8%
70s5.2%
80+1.0%

9.2% are 65 or older; 86.5% are adults.

Household income

Under $25K16.8%
$25K–50K11.7%
$50K–75K15.7%
$75K–100K11.0%
$100K–150K16.6%
$150K+28.1%

44.7% of households earn $100K+. Median per person: $61,964.

Education (adults 25+)

Less than high school5.6%
High school15.0%
Some college15.1%
Bachelor's32.5%
Graduate31.9%

61.3% of degrees are in STEM fields.

Race

White57.0%
Black26.6%
Asian5.9%
Native American0.4%
Pacific Islander0.0%
Other2.8%
Two or more7.3%

7.3% Hispanic or Latino (of any race).

Households & family

Married
29.0%
Never married
56.5%
Divorced
11.1%
Widowed
3.3%
Family size
2.61
Dual-income families
56.4%

Housing

Own their home
34.2%
Rent burden
30.8%
Men / women
49% / 52%

Work

In labor force
76.2%
Unemployment
4.2%
Self-employed
14.0%
Farmers
0.0%

Community

Charitable givers
26.1%
Veterans
4.7%
With a disability
9.3%
No health insurance
3.0%
Limited English
2.0%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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