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Zip Code 21227 — Halethorpe, MD

21227 is a ZIP Code associated with Halethorpe, MD, located within Baltimore. The postal region supports an estimated population of 34,907 residents across Data Pending housing units, with a population density of 1,189.3 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.240240, -76.679130)

Data Metric	Local Statistic
Postal / Zip Code	21227
Primary City	Halethorpe
State / Province	MD
County	Baltimore
Total Population	34,907
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	1,189.3 people/sq mi
Timezone	America/New_York

How 21227 Compares

Metric	ZIP 21227	Baltimore County	MD State Average
Population	34,907	1,414,366	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	1,189.3 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21250	Baltimore	2.0 mi	2,834	N/A
Zip 21090	Linthicum Heights	2.2 mi	10,652	N/A
Zip 21229	Baltimore	3.2 mi	46,679	N/A
Zip 21223	Baltimore	3.3 mi	19,572	N/A
Zip 21230	Baltimore	3.5 mi	32,977	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 →