Zip Code 46278 — Indianapolis, IN

46278 is a ZIP Code associated with Indianapolis, IN, located within Marion. The postal region supports an estimated population of 8,450 residents across Data Pending housing units, with a population density of 246.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.893890, -86.296060)

Data MetricLocal Statistic
Postal / Zip Code46278
Primary CityIndianapolis
State / ProvinceIN
CountyMarion
Total Population8,450
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density246.9 people/sq mi
TimezoneAmerica/Indiana/Indianapolis

How 46278 Compares

MetricZIP 46278Marion CountyIN State Average
Population8,450979,3816,851,073
Median IncomeData PendingN/AN/A
Population Density246.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 46268Indianapolis3.4 mi25,913N/A
Zip 46254Indianapolis3.5 mi40,674N/A
Zip 46112Brownsburg5.0 mi44,220N/A
Zip 46228Indianapolis6.0 mi15,724N/A
Zip 46234Indianapolis6.0 mi28,300N/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 →