Time Zone: Union County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.
Union County was founded April 1, 1820. Union was created by taking area from Delaware, , and Counties.
From the Census Estimates for 2009, <1> Union had a population of 48,903 people. This is an increase of 19.54% since the last Census (which gave a population of 40,909 people in 2000).
At the time of the 2000 Census, Union represented 0.36% of the total population of Ohio, making it the state's 58th most populous county (out of 88 counties).
The following table shows the recent changes in population. Other than 2000, the population counts have been estimated by the Census Bureau.
Year | Population | Change Since 2000 | Year-to-Year Change |
2010 | 52,300 | +27.84% | +6.95% since 2009 |
2009 | 48,903 | +19.54% | +1.17% since 2008 |
2008 | 48,339 | +18.16% | +1.3% since 2007 |
2007 | 47,719 | +16.65% | |
--- | | | 2000 | 40,909 | The Last Census |
More information can be found on the Union County Census Page for Union County. .
Below are some of the communities located in Union County (for more communities, please visit our Nearby Page for Union County):
Websites for Union County
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