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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2022

ZIP Codes for City of Middletown, OH

Middletown, OH Covers 3 ZIP Codes

ZIP CodeTypeCountyPopulation
ZIP Code 45005StandardWarren29,963
ZIP Code 45042StandardButler26,451
ZIP Code 45044StandardButler52,822

Timezone(s):Eastern (GMT -05:00)
Counties:BUTLER, OH
Population:48,694 (More Details)
Male Population:23,149
Female Population:25,545
Median Age:38
ZIP Codes:3
Area Codes:2
Total Area:407 square miles (county)
Land Area:401 square miles (county)
Water Area:6 square miles (county)

Middletown, OH Demographic Information *

Total population48,694
Male population23,149
Female population25,545
Median age (years)38.3
White Population40,545
Black Population5,691
Indian Population105
Asian Population232
Hawaiian Population23
Hispanic Population1,838
Median age (Male)36.5
Median age (Female)39.8
Total households20,238
Family households (families)12,505
Average household size2.38
Average family size2.97
Total housing units23,296
* 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],