Macoupin County, Illinois
Macoupin County is located in the U.S. state of Illinois. According to the 2020 census, it had a population of 44,967. The county seat is Carlinville.
Macoupin County Courthouse in Carlinville
Carlinville is a city and the county seat of Macoupin County, Illinois, United States. As of the 2020 census, the population was 5,710.
Macoupin County Courthouse in Carlinville