Winnebago County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2010 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2010, the citizen voting-age population for Winnebago County, IL was 208.60K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (170.26K) and constituted 81.62% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (22.78K) and constituted 10.92% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (10.01K), constituting 4.80% of the total citizen voting-age population.

The charts and tables below shows the citizen voting-age population and percentages by race and ethnicity.

You can also see similar information for other Illinois counties, and for Illinois.

Data Source: US Census - ACS 5-Years (CVAP).

See this for other years:

Winnebago County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2010

Non-Hispanic White Alone

Non-Hispanic Black Alone

Hispanic or Latino of All Races

Non-Hispanic Asian Alone

Non-Hispanic Two Or More Races

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Winnebago County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2010

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	170260	81.62
Non-Hispanic Black or African American Alone	22780	10.92
Hispanic or Latino of All Races	10005	4.80
Non-Hispanic Asian Alone	3480	1.67
Non-Hispanic Two Or More Races	1675	0.80
Non-Hispanic American Indian and Alaska Native Alone	350	0.17
Non-Hispanic Native Hawaiian And Pacific Islander Alone	45	0.02