21231 ZIP Code – Baltimore, Maryland

Located in Baltimore, Maryland, ZIP code 21231 is a mid-sized ZIP code within Baltimore city with a population of approximately 14,780 residents. At $88,091, the median household income here runs below the Maryland average and above the U.S. average. Homes in this ZIP code have a median value of $330,600, above the national average, with 34.2% owner-occupied housing (increasing). , with median rent coming in at $1,637 — well above the national figure. Housing consists of 52% single-family (decreasing), 35% apartments (increasing), 13% duplex/multi-family.

The area reports an unemployment rate of 4.4%, near the national average. An estimated 19.9% of the population falls below the poverty line, above the national figure. Bachelor's degree attainment is 65.9%, well above the national average. The population has a median age of 32.4, below the national median. Nearby ZIP codes include 21233, 21287, 21202.

ZIP Code 21231 Data

Population 14,780

Median Household Income $88,091

Median Home Value $330,600

Median Rent $1,637

Median Age 32.4

Unemployment Rate 4.4%

Poverty Rate 19.9%

Bachelor's Degree or Higher 65.9%

County Baltimore city

State Maryland

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ZIP 21231 vs. Maryland vs. U.S.

Metric	ZIP 21231	MD Avg.	U.S. Avg.
Population	14k	13k	10k
Median Household Income	$88k	$107k	$73k
Median Home Value	$330k	$404k	$258k
Median Rent	$1,637	$1,552	$1,088
Median Age	32.4	43.5	43.2
Unemployment Rate	4.4%	5.0%	5.0%
Poverty Rate	19.9%	9.4%	13.3%
Bachelor's Degree or Higher	65.9%	37.6%	26.9%

Demographics Charts

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Education Level (adults 25+)

Nearby ZIP Codes

Nearby ZIP Code Comparison

ZIP Code	City	Population	Median Income
21233	BALTIMORE	Not provided	Not provided
21287	BALTIMORE	Not provided	Not provided
21202	BALTIMORE	20,115	$59,098
21201	BALTIMORE	18,305	$42,324
21205	BALTIMORE	14,684	$38,211