Union County
URL: https://knowledge.ivjn.us/en/places/oh-union-county.html

Union County is a county of Ohio, United States.

## Overview

Union County is a county of [Ohio](https://knowledge.ivjn.us/en/places/ohio.html), United States (FIPS oh159), with a population of about 62,784[^geonames].

## Geography

- Coordinates: 40.2994, -83.3716
- Time zone: America/New_York

Updated: 2026-10-29

Relations:
- Located in: Ohio https://knowledge.ivjn.us/en/places/ohio.html
- Contains places: Magnetic Springs https://knowledge.ivjn.us/en/places/oh-magnetic-springs.html
- Contains places: Marysville https://knowledge.ivjn.us/en/places/oh-marysville.html
- Contains places: Milford Center https://knowledge.ivjn.us/en/places/oh-milford-center.html
- Contains places: New California https://knowledge.ivjn.us/en/places/oh-new-california.html
- Contains places: Raymond https://knowledge.ivjn.us/en/places/oh-raymond.html
- Contains places: Richwood https://knowledge.ivjn.us/en/places/oh-richwood.html
- Contains places: Unionville Center https://knowledge.ivjn.us/en/places/oh-unionville-center.html

Mentioned in:
- Magnetic Springs https://knowledge.ivjn.us/en/places/oh-magnetic-springs.html
- Marysville https://knowledge.ivjn.us/en/places/oh-marysville.html
- Milford Center https://knowledge.ivjn.us/en/places/oh-milford-center.html
- New California https://knowledge.ivjn.us/en/places/oh-new-california.html
- Raymond https://knowledge.ivjn.us/en/places/oh-raymond.html
- Unionville Center https://knowledge.ivjn.us/en/places/oh-unionville-center.html

Sources:
- GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip