Zip Code 21009 — Abingdon, MD

ZIP Code 21009 is associated with Abingdon, MD, in Harford County. The listed population estimate is 33,679; estimated density is 1,140.5 people per square mile. Among records with population estimates, it ranks #2 of 20 in Harford County and #70 of 470 in MD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.470320, -76.293780)

Data MetricLocal Statistic
Postal / Zip Code21009
Primary CityAbingdon
State / ProvinceMD
CountyHarford
Total Population33,679
Population Density1,140.5 people/sq mi
TimezoneAmerica/New_York

How 21009 Compares

MetricZIP 21009Harford County recordsMD records
Population estimate33,679262,768 (sum)6,205,597 (sum)
Population Density1,140.5 /sq mi----
County population rank#2 of 20----
State population rank#70 of 470----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MD

ZIP CodeCityDistancePopulation estimate
ZIP 21040Edgewood2.8 mi24,960
ZIP 21017Belcamp3.1 mi6,648
ZIP 21085Joppa3.8 mi17,307
ZIP 21015Bel Air5.3 mi30,013
ZIP 21014Bel Air5.5 mi38,707

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 →