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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Ontario, OH

Ontario, OH Covers 3 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 44862P.O. BoxRichland0419
ZIP Code 44903StandardRichland25,602419 / 567
ZIP Code 44906StandardRichland16,718419

Timezone(s):Eastern (GMT -05:00)
Population:6,225 (More Details)
Male Population:2,930
Female Population:3,295
Median Age:43
ZIP Codes:3
Area Codes:2
Total Area:500 square miles (county)
Land Area:495 square miles (county)
Water Area:5 square miles (county)

Ontario, OH Demographic Information *

Total population6,225
Male population2,930
Female population3,295
Median age (years)43.1
White Population5,655
Black Population251
Indian Population16
Asian Population161
Hawaiian Population2
Hispanic Population102
Median age (Male)41.2
Median age (Female)44.9
Total households2,616
Family households (families)1,748
Average household size2.35
Average family size2.88
Total housing units2,808
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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],