Macoupin County
Also known as Macoupin County, Illinois, Macoupin County, IL
county in Illinois, United States
Key facts
- Country
- United States
- State
- Illinois
- Named after
- Macoupin Creek
- Seat
- Carlinville
- Largest city
- Carlinville
- Total
- 868 sq mi (2,250 km )
- Land
- 863 sq mi (2,240 km )
- Water
- 4.7 sq mi (12 km ) 0.5%
- Estimate 2025
- 43,748
- Density
- 52.1/sq mi (20.1/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
~11 min read
Article
Macoupin County is a county 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.
The primary industry is agriculture, consisting of crops of corn (maize), soybeans, and some wheat.