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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2022

ZIP Codes for City of Defiance, OH

Defiance, OH Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 43512StandardDefiance28,674

Timezone(s):Eastern (GMT -05:00)
Population:16,494 (More Details)
Male Population:7,965
Female Population:8,529
Median Age:37
ZIP Codes:1
Area Codes:1
Total Area:414 square miles (county)
Land Area:411 square miles (county)
Water Area:3 square miles (county)

Defiance, OH Demographic Information *

Total population16,494
Male population7,965
Female population8,529
Median age (years)37.1
White Population14,535
Black Population590
Indian Population49
Asian Population62
Hawaiian Population4
Hispanic Population2,376
Median age (Male)35
Median age (Female)39
Total households6,663
Family households (families)4,291
Average household size2.38
Average family size2.91
Total housing units7,435
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 12/1/2022],
  2. Internal Data Creation [Last Updated: 12/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],