Williamson County

US States / H-L / Illinois / Williamson County

Williamson County is named for Williamson County in Tennessee through the influence of emigrants from that county.


Created:  February 28, 1839

County Seat:

Marion  1839 – present


County Courthouse – Marion


Location:  200 West Jefferson Street / North Monroe Street

Built:  1969 – 1970

Style:  Modern

Architect:  Clark, Atley and Associates of Urbana

Contractor:  Bearden Construction Company of Marion


Description: The building faces south and is a three story light brown colored brick and glass structure. The building is located on a slope with the full three stories on the north side of the building. The entrance is at the west end of the south side and is recessed. A one story section extends south from the main building. The roof line is flat. An addition was added in 1984 and 1985. The architect was Lovelace and associates and the contractor was Ralph Korte of Union, Inc.


Note:  The previous courthouse was designed by N S Spencer & Sons and constructed by Charles E Bush in 1888. The cupola from the courthouse is at the top of a red colored brick pillar in the town square.



N – Franklin County

E – Saline County

S – Johnson County and Union County

W – Jackson County

















Photos taken 2008