Union County is named for the Union Church.
Surrounding County Courthouses:
N – Cherokee County
E – York County, Chester County and Fairfield County
S – Newberry County and Laurens County
Created: March 2, 1785 
County Seat:
Union 1785 – present
County Courthouse – Union
Location: 210 West Main Street / Gadberry Street
Built: 1911 – 1912
Style: Classical Revival
Architect: Anthony Ten Eyck Brown
Contractor: John Jefferson Cain
Description: The building faces south and is a two story buff colored brick and concrete structure. The building is located on landscaped grounds in the center of Union. The building has a large semi circular portico with eight large columns rising to a roof with balustrade. The entrance is recessed and framed with windows above on the second story. There are panels between the first and second story windows. On the roof is a wide dome. The building houses the County Circuit Court, County Family Court, County Probate Court and County Magistrate Court of the 16th Judicial Circuit. The architect was Anthony Ten Eyck Brown and the contractor was John Jefferson Cain. On the west side is the old two story County Jail.
See: Anthony Ten Eyck Brown also designed the courthouse in Florida in Miami-Dade County and in Georgia in Cherokee County, Clarke County and Fulton County.
See: The 16th Judicial Circuit includes York County.
History: The county was created in 1785 and Unionville was selected as the county seat. The first courthouse was built in 1791. County seat name was changed to Union. The second courthouse was designed by Robert Mills and constructed with native granite in 1827. The courthouse was torn down in 1910 for the construction of the second and present courthouse erected in 1911 to 1912.
Note: The Pinckney District was established with central location in Union County. The town of Pinckneyville was laid out and a courthouse and jail were built. In 1799, the court system was restructured and the district was abolished. Pinckneyville became a ghost town.
County Courthouse – Union
Old County Jail – Union
Photos taken 2008 and 2020