Population By Race and Ethnicity in Winnebago County, IL in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 293,667 population of Winnebago County, Illinois comprised of 32,944 people who identified as Hispanic (11.22%), and 260,723 people who identified as Non-Hispanic (88.78%).

Race: The White Alone population was the largest racial group in Winnebago County, Illinois with a population of 240,964 (82.05%); Black or African American Alone population was the second largest racial group with a population of 36,756 (12.52%); and Asian Alone was the third largest racial group with a population of 7,228 (2.46%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Winnebago County, Illinois in 2011, with a population of 211,964 (72.18%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 35,316 (12.03%); and the third largest ethnic group was White Alone - Hispanic with a population of 29,000 (9.88%).

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 2011
Total Population:
Race in Winnebago County, IL in 2011
Total Population:
Ethnicity in Winnebago County, IL in 2011
Total Population:
Population By Race in Winnebago , IL in 2011
Race Population Percentage
Black or African American Alone 36,756 12.52%
White Alone 240,964 82.05%
American Indian and Alaska Native Alone 1,470 0.5%
Asian Alone 7,228 2.46%
Native Hawaiian And Pacific Islander Alone 122 0.04%
Two Or More Races 7,127 2.43%
Population By Ethnicity in Winnebago , IL in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,440 0.49%
White Alone - Hispanic 29,000 9.88%
American Indian and Alaska Native Alone - Hispanic 924 0.32%
Asian Alone - Hispanic 204 0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic 49 0.02%
Two Or More Races - Hispanic 1,327 0.45%
Black or African American Alone - Non Hispanic 35,316 12.03%
White Alone - Non Hispanic 211,964 72.18%
American Indian and Alaska Native Alone - Non Hispanic 546 0.19%
Asian Alone - Non Hispanic 7,024 2.39%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 73 0.03%
Two Or More Races - Non Hispanic 5,800 1.98%