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Zip Code 43004 — Blacklick, OH

43004 is a ZIP Code associated with Blacklick, OH, located within Franklin. 43004 ranks #19 out of 44 ZIP codes in Franklin County by population (and #91 out of 1,232 in OH). The area supports an estimated population of 31,477 residents across Data Pending housing units, with a population density of 972.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.016640, -82.800250)

Data MetricLocal Statistic
Postal / Zip Code43004
Primary CityBlacklick
State / ProvinceOH
CountyFranklin
Total Population31,477
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density972.1 people/sq mi
TimezoneAmerica/New_York

How 43004 Compares

MetricZIP 43004Franklin CountyOH State Average
Population31,4771,324,154 (Total)11,810,293 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density972.1 /sq mi----
County Pop Rank#19 of 44----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 43230Columbus4.0 mi58,076N/A
Zip 43068Reynoldsburg4.2 mi60,148N/A
Zip 43054New Albany4.4 mi27,594N/A
Zip 43213Columbus4.7 mi36,273N/A
Zip 43062Pataskala6.4 mi32,037N/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 →