Carlinville

City, seat (1829) of Macoupin county, southwestern Illinois, U.S. The first white settlement on the site, in an area known as Black Hawk hunting ground (frequented by Sauk, Fox, and Kickapoo Indians), was made in about 1815. The community was named for Gov. Thomas Carlin. A notable feature is the �million-dollar� county courthouse (1870), an imposing domed limestone structure, the construction