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Zip Code 21102 — Manchester, MD

21102 is a ZIP Code associated with Manchester, MD, located within Carroll. The postal region supports an estimated population of 12,162 residents across Data Pending housing units, with a population density of 115.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.687320, -76.845640)

Data MetricLocal Statistic
Postal / Zip Code21102
Primary CityManchester
State / ProvinceMD
CountyCarroll
Total Population12,162
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density115.6 people/sq mi
TimezoneAmerica/New_York

How 21102 Compares

MetricZIP 21102Carroll CountyMD State Average
Population12,162158,3226,205,597
Median IncomeData PendingN/AN/A
Population Density115.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 21074Hampstead4.8 mi14,777N/A
Zip 21053Freeland6.9 mi2,929N/A
Zip 21155Upperco8.3 mi3,313N/A
Zip 21120Parkton9.4 mi7,440N/A
Zip 21158Westminster10.3 mi22,083N/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 →