Population By Race and Ethnicity in Winnebago County, IL in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 287,237 population of Winnebago County, Illinois comprised of 34,690 people who identified as Hispanic (12.08%), and 252,547 people who identified as Non-Hispanic (87.92%).

Race: The White Alone population was the largest racial group in Winnebago County, Illinois with a population of 232,190 (80.84%); Black or African American Alone population was the second largest racial group with a population of 37,732 (13.14%); and Asian Alone was the third largest racial group with a population of 7,893 (2.75%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Winnebago County, Illinois in 2015, with a population of 201,813 (70.26%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 36,179 (12.6%); and the third largest ethnic group was White Alone - Hispanic with a population of 30,377 (10.58%).

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 2015
Total Population:
Race in Winnebago County, IL in 2015
Total Population:
Ethnicity in Winnebago County, IL in 2015
Total Population:
Population By Race in Winnebago , IL in 2015
Race Population Percentage
Black or African American Alone 37,732 13.14%
White Alone 232,190 80.84%
American Indian and Alaska Native Alone 1,590 0.55%
Asian Alone 7,893 2.75%
Native Hawaiian And Pacific Islander Alone 140 0.05%
Two Or More Races 7,692 2.68%
Population By Ethnicity in Winnebago , IL in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,553 0.54%
White Alone - Hispanic 30,377 10.58%
American Indian and Alaska Native Alone - Hispanic 1,042 0.36%
Asian Alone - Hispanic 225 0.08%
Native Hawaiian And Pacific Islander Alone - Hispanic 56 0.02%
Two Or More Races - Hispanic 1,437 0.5%
Black or African American Alone - Non Hispanic 36,179 12.6%
White Alone - Non Hispanic 201,813 70.26%
American Indian and Alaska Native Alone - Non Hispanic 548 0.19%
Asian Alone - Non Hispanic 7,668 2.67%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 84 0.03%
Two Or More Races - Non Hispanic 6,255 2.18%