Stephenson County | |
|---|---|
 | |
 Location within the U.S. state of Illinois | |
 Illinois's location within the U.S. | |
| Coordinates: 42°21′N 89°40′W / 42.35°N 89.67°W | |
| Country |  United States |
| State |  Illinois |
| Founded | 1837 |
| Named for | Benjamin Stephenson |
| Seat | Freeport |
| Largest city | Freeport |
| Area | |
• Total | 565 sq mi (1,460 km2) |
| • Land | 565 sq mi (1,460 km2) |
| • Water | 0.5 sq mi (1 km2) 0.09% |
| Population (2020) | |
• Total | 44,630 |
• Estimate (2023) | 43,105  |
| • Density | 79/sq mi (30/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional districts | 16th, 17th |
| Website | www |
Stephenson County is a county located in the U.S. state of Illinois. According to the 2020 United States Census, it had a population of 44,630.[1] Its county seat is Freeport.[2] Stephenson County is included in the Freeport, IL Micropolitan Statistical Area, which is also included in the Rockford-Freeport-Rochelle, IL Combined Statistical Area.
- ^ "QuickFacts". United States Census Bureau. Retrieved January 23, 2021.
- ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.