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Zip Code 21009 — Abingdon, MD

21009 is a ZIP Code associated with Abingdon, MD, located within Harford. The postal region supports an estimated population of 33,679 residents across Data Pending housing units, with a population density of 1,140.5 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.470320, -76.293780)

Data Metric	Local Statistic
Postal / Zip Code	21009
Primary City	Abingdon
State / Province	MD
County	Harford
Total Population	33,679
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	1,140.5 people/sq mi
Timezone	America/New_York

How 21009 Compares

Metric	ZIP 21009	Harford County	MD State Average
Population	33,679	262,768	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	1,140.5 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21040	Edgewood	2.8 mi	24,960	N/A
Zip 21017	Belcamp	3.1 mi	6,648	N/A
Zip 21085	Joppa	3.8 mi	17,307	N/A
Zip 21015	Bel Air	5.3 mi	30,013	N/A
Zip 21014	Bel Air	5.5 mi	38,707	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 →