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Zip Code 21234 — Parkville, MD

21234 is a ZIP Code associated with Parkville, MD, located within Baltimore. The postal region supports an estimated population of 66,334 residents across Data Pending housing units, with a population density of 1,917.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.395000, -76.532520)

Data MetricLocal Statistic
Postal / Zip Code21234
Primary CityParkville
State / ProvinceMD
CountyBaltimore
Total Population66,334
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,917.9 people/sq mi
TimezoneAmerica/New_York

How 21234 Compares

MetricZIP 21234Baltimore CountyMD State Average
Population66,3341,414,3666,205,597
Median IncomeData PendingN/AN/A
Population Density1,917.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 21286Towson2.6 mi21,853N/A
Zip 21236Nottingham2.6 mi39,514N/A
Zip 21214Baltimore3.4 mi21,092N/A
Zip 21239Baltimore3.6 mi27,346N/A
Zip 21206Baltimore3.9 mi48,902N/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 →