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Zip Code 45331 — Greenville, OH

45331 is a ZIP Code associated with Greenville, OH, located within Darke. The postal region supports an estimated population of 22,356 residents across Data Pending housing units, with a population density of 57.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.097290, -84.646160)

Data MetricLocal Statistic
Postal / Zip Code45331
Primary CityGreenville
State / ProvinceOH
CountyDarke
Total Population22,356
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density57.1 people/sq mi
TimezoneAmerica/New_York

How 45331 Compares

MetricZIP 45331Darke CountyOH State Average
Population22,35651,96911,810,293
Median IncomeData PendingN/AN/A
Population Density57.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 45352Palestine6.1 mi173N/A
Zip 45328Gettysburg8.0 mi544N/A
Zip 45303Ansonia8.1 mi2,188N/A
Zip 45346New Madison8.8 mi1,663N/A
Zip 45304Arcanum9.7 mi7,599N/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 →