Total Population in Winnebago County, IL
ACS 2024 5-Year Estimates
How Winnebago County Compares
National Distribution
Where Winnebago County falls among all 3,222 U.S. counties for total population.
■ Winnebago County: 283,292
Ranking Context
| Rank | County | Value |
|---|---|---|
| #252 | Frederick County, MD | 287,048 |
| #253 | Alachua County, FL | 285,492 |
| #254 | Ingham County, MI | 283,913 |
| #255 | Winnebago County, IL | 283,292 |
| #256 | San Luis Obispo County, CA | 281,555 |
| #257 | Cherokee County, GA | 281,032 |
| #258 | Southeastern Connecticut Planning Region, CT | 279,971 |
Total Population in Winnebago County, Illinois
Winnebago County, Illinois has a total population of 283,292, which ranks #255 of 3,222 out of 3,222 counties nationwide. This is 99.9% below the national value of 330M.
Within Illinois, Winnebago County ranks #7 of 102 out of 102 counties. This places it in the 92th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.