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Zip Code 21120 — Parkton, MD

21120 is a ZIP Code associated with Parkton, MD, located within Baltimore. The postal region supports an estimated population of 7,440 residents across Data Pending housing units, with a population density of 68.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.647230, -76.677030)

Data MetricLocal Statistic
Postal / Zip Code21120
Primary CityParkton
State / ProvinceMD
CountyBaltimore
Total Population7,440
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density68.4 people/sq mi
TimezoneAmerica/New_York

How 21120 Compares

MetricZIP 21120Baltimore CountyMD State Average
Population7,4401,414,3666,205,597
Median IncomeData PendingN/AN/A
Population Density68.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 21053Freeland3.8 mi2,929N/A
Zip 21105Maryland Line4.9 mi36N/A
Zip 21161White Hall6.0 mi5,221N/A
Zip 21152Sparks Glencoe6.8 mi6,459N/A
Zip 21111Monkton7.1 mi4,714N/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 →