Union County, Tennessee
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Union County is a county located in the U.S. state of Tennessee. As of the 2020 census, its population was 19,802. Its county seat is Maynardville. Union County is included in the Knoxville metropolit
Union County Courthouse in Maynardville
Norris Lake, near Big Ridge State Park
The old Hamilton-Lay store at Hamilton Crossroads, east of Maynardville
Knox County, Tennessee
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Knox County is a county located in the U.S. state of Tennessee. The population was 511,453 as of a 2025 estimate, making it the third-most populous county in Tennessee. Its county seat is Knoxville, w
Union County, Tennessee
…County is included in the Knoxville metropolitan area. Union County was formed in 1850 from portions of Grainger, Claiborne, Campbell, Anderson, and Knox Counties. At least two theories are given on the source of its name. The name may commemorate the "union" of sections of five counties, or it may reflect…
Knox County Courthouse
View from the south bank of the Tennessee River by Union photographer George C. Barnard after the end of the Siege of Knoxville, December 1863. Source: Library of Congress
House Mountain, Knox County's high point, viewed from Emory Road, near the Knox–Grainger line