Sangamon County | |
|---|---|
 Sangamon County Courthouse in 2017 | |
 Flag  Seal | |
 Location within the U.S. state of Illinois | |
 Illinois's location within the U.S. | |
| Coordinates: 39°46′N 89°40′W / 39.76°N 89.66°W | |
| Country |  United States |
| State |  Illinois |
| Founded | 1821 |
| Named for | Sangamon River |
| Seat | Springfield |
| Largest city | Springfield |
| Area | |
| • Total | 877 sq mi (2,270 km2) |
| • Land | 868 sq mi (2,250 km2) |
| • Water | 8.7 sq mi (23 km2) 1.0% |
| Population (2020) | |
| • Total | 196,343 |
| • Density | 220/sq mi (86/km2) |
| Congressional districts | 13th, 15th |
| Website | www |
Sangamon County is a county located near the center of the U.S. state of Illinois. According to the 2020 census, it had a population of 196,343.[1] Its county seat and largest city is Springfield,[2] the state capital.
Sangamon County is included in the Springfield, IL Metropolitan Statistical Area.
- ^ "Sangamon County, Illinois". United States Census Bureau. Retrieved June 10, 2023.
- ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.