Union County, Tennessee

Union County is a county in Tennessee with an estimated population of 20,741 in 2023. 3 cities, towns and Census places in it are indexed here.

Largest places in Union County

About Union County

Union County is one of the counties of Tennessee. County governments in Tennessee handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.