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Zip Code 21251 — Baltimore, MD

21251 is a ZIP Code associated with Baltimore, MD, located within Baltimore. The postal region supports an estimated population of 191 residents across Data Pending housing units, with a population density of 623.4 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.349930, -76.580270)

Data Metric	Local Statistic
Postal / Zip Code	21251
Primary City	Baltimore
State / Province	MD
County	Baltimore
Total Population	191
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	623.4 people/sq mi
Timezone	America/New_York

How 21251 Compares

Metric	ZIP 21251	Baltimore County	MD State Average
Population	191	1,414,366	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	623.4 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21214	Baltimore	0.9 mi	21,092	N/A
Zip 21239	Baltimore	1.1 mi	27,346	N/A
Zip 21218	Baltimore	1.8 mi	44,014	N/A
Zip 21212	Baltimore	2.2 mi	33,974	N/A
Zip 21213	Baltimore	2.4 mi	28,058	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →