Adams County Courthouse - Ohio - was created in 1911.
Paulding County Courthouse - Ohio - was created in 1886.
Logan County Courthouse - Ohio - was created in 1870.
Washington County Courthouse - Ohio - was created in 1902.
Clinton County Courthouse - Ohio - was created in 1919.
Marion County Courthouse - Ohio - was created in 1884.
Highland County Courthouse - Ohio - was created in 1833.
Hardin County Courthouse - Ohio - was created in 1915.
Champaign County Courthouse - Ohio - was created in 1956.
Clark County Courthouse - Ohio - was created in 1924.
Butler County Courthouse - Ohio - was created in 1889.
Fairfield County, Ohio, USA - 509 square miles.