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Zip Code 43512 — Defiance, OH

43512 is a ZIP Code associated with Defiance, OH, located within Defiance. The postal region supports an estimated population of 28,022 residents across Data Pending housing units, with a population density of 49.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.303090, -84.358740)

Data MetricLocal Statistic
Postal / Zip Code43512
Primary CityDefiance
State / ProvinceOH
CountyDefiance
Total Population28,022
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density49.7 people/sq mi
TimezoneAmerica/New_York

How 43512 Compares

MetricZIP 43512Defiance CountyOH State Average
Population28,02238,06811,810,293
Median IncomeData PendingN/AN/A
Population Density49.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 43530Jewell4.0 miN/AN/A
Zip 43519Evansport8.5 mi257N/A
Zip 43549Ney9.7 mi1,317N/A
Zip 43555Ridgeville Corners10.7 mi253N/A
Zip 43556Sherwood11.0 mi1,670N/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 →