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Zip Code 21015 — Bel Air, MD

21015 is a ZIP Code associated with Bel Air, MD, located within Harford. The postal region supports an estimated population of 30,013 residents across Data Pending housing units, with a population density of 370.8 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.546910, -76.296190)

Data Metric	Local Statistic
Postal / Zip Code	21015
Primary City	Bel Air
State / Province	MD
County	Harford
Total Population	30,013
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	370.8 people/sq mi
Timezone	America/New_York

How 21015 Compares

Metric	ZIP 21015	Harford County	MD State Average
Population	30,013	262,768	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	370.8 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21014	Bel Air	3.0 mi	38,707	N/A
Zip 21028	Churchville	3.3 mi	3,103	N/A
Zip 21009	Abingdon	5.3 mi	33,679	N/A
Zip 21001	Aberdeen	5.6 mi	27,168	N/A
Zip 21050	Forest Hill	5.8 mi	17,466	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 →