Population By Race and Ethnicity in Winnebago County, IL in 2021

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the 283,333 population of Winnebago County, Illinois comprised of 42,328 people who identified as Hispanic (14.94%), and 241,005 people who identified as Non-Hispanic (85.06%).

Race: The White Alone population was the largest racial group in Winnebago County, Illinois with a population of 223,523 (78.89%); Black or African American Alone population was the second largest racial group with a population of 40,578 (14.32%); and Two Or More Races was the third largest racial group with a population of 9,094 (3.21%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Winnebago County, Illinois in 2021, with a population of 186,381 (65.78%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 38,609 (13.63%); and the third largest ethnic group was White Alone - Hispanic with a population of 37,142 (13.11%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Winnebago, Illinois.

You can find similar information for other Illinois counties, and for Illinois.

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Hispanics and Non Hispanics in Winnebago County, IL in 2021
Total Population:
Race in Winnebago County, IL in 2021
Total Population:
Ethnicity in Winnebago County, IL in 2021
Total Population:
Population By Race in Winnebago , IL in 2021
Race Population Percentage
Black or African American Alone 40,578 14.32%
White Alone 223,523 78.89%
American Indian and Alaska Native Alone 1,749 0.62%
Asian Alone 8,213 2.9%
Native Hawaiian And Pacific Islander Alone 176 0.06%
Two Or More Races 9,094 3.21%
Population By Ethnicity in Winnebago , IL in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,969 0.7%
White Alone - Hispanic 37,142 13.11%
American Indian and Alaska Native Alone - Hispanic 1,223 0.43%
Asian Alone - Hispanic 280 0.1%
Native Hawaiian And Pacific Islander Alone - Hispanic 77 0.03%
Two Or More Races - Hispanic 1,637 0.58%
Black or African American Alone - Non Hispanic 38,609 13.63%
White Alone - Non Hispanic 186,381 65.78%
American Indian and Alaska Native Alone - Non Hispanic 526 0.19%
Asian Alone - Non Hispanic 7,933 2.8%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 99 0.04%
Two Or More Races - Non Hispanic 7,457 2.63%