Winnebago County, Illinois
Winnebago County is a county in the U.S. state of Illinois. According to the 2020 census, it had a population of 285,350,[1] making it the seventh most populous county in Illinois. Its county seat is Rockford.[2]
| Winnebago County, Illinois | |
| Map | |
 Location in the state of Illinois | |
 Illinois's location in the U.S. | |
| Statistics | |
| Founded | January 16, 1836 |
|---|---|
| Seat | Rockford |
| Largest City | Rockford |
| Area - Total - Land - Water |
519 sq mi (1,344 km²) 513 sq mi (1,329 km²) 5.9 sq mi (15 km²), 1.1 |
| Population - (2020) - Density |
285,350 |
| Time zone | Central: UTC-6/-5 |
| Website: www.wincoil.us | |
| Named for: Winnebago Tribe | |
Winnebago County was founded on January 16, 1836 and named for the Winnebago Tribe of American Indians.
Winnebago County, Illinois Media
Winnebago County for its first year of existence
Winnebago County in 1837, reduced to its current borders by the creation of Stephenson and Boone Counties
References
- ↑ "QuickFacts: Winnebago County, Illinois". United States Census Bureau. Retrieved August 14, 2023.
- ↑ "Find a County". National Association of Counties. Retrieved 2011-06-07.
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