Population By Race and Ethnicity in Winnebago, IL in 2010

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2010, the 295,090 population of Winnebago County, Illinois comprised of 32,264 people who identified as Hispanic (10.93%), and 262,826 people who identified as Non-Hispanic (89.07%).

Race: The White Alone population was the largest racial group in Winnebago County, Illinois with a population of 242,548 (82.2%); Black or African American Alone population was the second largest racial group with a population of 36,953 (12.52%); and Asian Alone was the third largest racial group with a population of 7,023 (2.38%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Winnebago County, Illinois in 2010, with a population of 214,139 (72.57%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 35,533 (12.04%); and the third largest ethnic group was White Alone - Hispanic with a population of 28,409 (9.63%).

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 2010
Total Population:
Race in Winnebago, IL in 2010
Total Population:
Ethnicity in Winnebago, IL in 2010
Total Population:
Population By Race in Winnebago , IL in 2010
Race Population Percentage
Black or African American Alone 36,953 12.52%
White Alone 242,548 82.2%
American Indian and Alaska Native Alone 1,460 0.5%
Asian Alone 7,023 2.38%
Native Hawaiian And Pacific Islander Alone 116 0.04%
Two Or More Races 6,990 2.37%
Population By Ethnicity in Winnebago , IL in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,420 0.48%
White Alone - Hispanic 28,409 9.63%
American Indian and Alaska Native Alone - Hispanic 899 0.31%
Asian Alone - Hispanic 194 0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic 49 0.02%
Two Or More Races - Hispanic 1,293 0.44%
Black or African American Alone - Non Hispanic 35,533 12.04%
White Alone - Non Hispanic 214,139 72.57%
American Indian and Alaska Native Alone - Non Hispanic 561 0.19%
Asian Alone - Non Hispanic 6,829 2.31%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 67 0.02%
Two Or More Races - Non Hispanic 5,697 1.93%