Montgomery County, Illinois
Montgomery County, Illinois | |
|---|---|
Montgomery County Courthouse, Hillsboro | |
Location within the U.S. state of Illinois | |
| Coordinates: 39°14′N 89°29′W / 39.23°N 89.48°W | |
| Country | United States |
| State | Illinois |
| Founded | 1821 |
| Named after | Richard Montgomery |
| Seat | Hillsboro |
| Largest city | Litchfield |
| Area | |
• Total | 710 sq mi (1,800 km2) |
| • Land | 704 sq mi (1,820 km2) |
| • Water | 6.0 sq mi (16 km2) 0.8% |
| Population (2020) | |
• Total | 28,288 |
• Estimate (2024) | 27,615 |
| • Density | 40.2/sq mi (15.5/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 15th |
| Website | montgomerycountyil |
Montgomery County is a county located in the U.S. state of Illinois. According to the 2020 United States census, it had a population of 28,288. Its county seat is Hillsboro.