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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2022

ZIP Codes for City of Greenfield, OH

Greenfield, OH Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 45123StandardHighland8,671

Timezone(s):Eastern (GMT -05:00)
Population:4,639 (More Details)
Male Population:2,202
Female Population:2,437
Median Age:37
ZIP Codes:1
Area Codes:2
Total Area:558 square miles (county)
Land Area:553 square miles (county)
Water Area:5 square miles (county)

Greenfield, OH Demographic Information *

Total population4,639
Male population2,202
Female population2,437
Median age (years)37.1
White Population4,450
Black Population81
Indian Population4
Asian Population9
Hawaiian Population0
Hispanic Population35
Median age (Male)34.9
Median age (Female)38.9
Total households1,829
Family households (families)1,148
Average household size2.47
Average family size3.07
Total housing units2,141
* 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],