Union County

US States / H-L / Illinois / Union County

Union County is named for the federal union of the America States.


Created:  January 2, 1818

County Seat:

Jonesboro  1818 – present


Former County Courthouse – Jonesboro


Location:  309 West Market Street / Elm Street

Built:  1857 – 1858

Style:  Romanesque

Architect:  John E Naill, John Rinehurst and George W Walborn

Contractor:  Jeremiah Rymer


Description: The building faces south and is a two story white colored plaster and brick structure. The south front has a rounded canopy extending from the central doorway. The windows are longer in height, and the roofline is tiered to the flat section at the top. Above the roofline is a square white colored base with an octagonal white wood cupola with rounded roof. Vertical grey bands are on the front of the building with a horizontal band above the second story. On either side of the main building are buff brick additions of two stories. Additions were constructed in 1864, 1894, 1937, 1967 and 1976. This building was demolished when the new courthouse on the north side was completed.


New County Courthouse – Jonesboro




Location:  309 West Market Street / Elm Street

Built:  2011 – 2013

Style:  Modern

Architect:   HO+K Architect

Contractor:  River City Construction


Description: The building faces south and is a twoe buff colored brick, concrete and glass structure. The building is being constructed on the north side of the current courthouse. The old courthouse will be demolished in 2013.



N – Jackson County and Williamson County

E – Johnson County

S – Pulaski County and Alexander County

W – Cape Girardeau, Missouri and Perry County, Missouri




Former County Courthouse







New County Courthouse construction

Photos taken 2007 and 2012