Total Population in Winnebago County, IL
ACS 2024 5-Year Estimates
283,292
Rank #255/3,222 · #7 in IL
92th
Winnebago 283,292
IL 13M -97.8%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Winnebago County's total population of 283,292 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Winnebago County for total population.
Nearby Rankings
Full ranking →| #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 |
About Total Population
Winnebago County, Illinois has a total population of 283,292, ranking #255 of 3,222 counties nationwide — 99.9% below the national value of 330M. Within Illinois, it ranks #7 of 102. This places it in the 92th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.