Population By Race and Ethnicity in Winnebago, IL in 2020

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2020, the 284,916 population of Winnebago County, Illinois comprised of 41,140 people who identified as Hispanic (14.44%), and 243,776 people who identified as Non-Hispanic (85.56%).

Race: The White Alone population was the largest racial group in Winnebago County, Illinois with a population of 225,371 (79.1%); Black or African American Alone population was the second largest racial group with a population of 40,666 (14.27%); and Two Or More Races was the third largest racial group with a population of 8,887 (3.12%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Winnebago County, Illinois in 2020, with a population of 189,292 (66.44%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 38,714 (13.59%); and the third largest ethnic group was White Alone - Hispanic with a population of 36,079 (12.66%).

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, IL in 2020
Total Population:
Race in Winnebago, IL in 2020
Total Population:
Ethnicity in Winnebago, IL in 2020
Total Population:
Population By Race in Winnebago , IL in 2020
Race Population Percentage
Black or African American Alone 40,666 14.27%
White Alone 225,371 79.1%
American Indian and Alaska Native Alone 1,722 0.6%
Asian Alone 8,100 2.84%
Native Hawaiian And Pacific Islander Alone 170 0.06%
Two Or More Races 8,887 3.12%
Population By Ethnicity in Winnebago , IL in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,952 0.69%
White Alone - Hispanic 36,079 12.66%
American Indian and Alaska Native Alone - Hispanic 1,185 0.42%
Asian Alone - Hispanic 267 0.09%
Native Hawaiian And Pacific Islander Alone - Hispanic 73 0.03%
Two Or More Races - Hispanic 1,584 0.56%
Black or African American Alone - Non Hispanic 38,714 13.59%
White Alone - Non Hispanic 189,292 66.44%
American Indian and Alaska Native Alone - Non Hispanic 537 0.19%
Asian Alone - Non Hispanic 7,833 2.75%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 97 0.03%
Two Or More Races - Non Hispanic 7,303 2.56%