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Zip Code 21128 — Perry Hall, MD

21128 is a ZIP Code associated with Perry Hall, MD, located within Baltimore. The postal region supports an estimated population of 15,501 residents across Data Pending housing units, with a population density of 879.3 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.405260, -76.446280)

Data Metric	Local Statistic
Postal / Zip Code	21128
Primary City	Perry Hall
State / Province	MD
County	Baltimore
Total Population	15,501
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	879.3 people/sq mi
Timezone	America/New_York

How 21128 Compares

Metric	ZIP 21128	Baltimore County	MD State Average
Population	15,501	1,414,366	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	879.3 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21236	Nottingham	2.4 mi	39,514	N/A
Zip 21162	White Marsh	2.6 mi	4,639	N/A
Zip 21087	Kingsville	3.3 mi	5,537	N/A
Zip 21156	Upper Falls	3.4 mi	204	N/A
Zip 21057	Glen Arm	4.5 mi	4,386	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 →