Cook County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2017 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2017, the citizen voting-age population for Cook County, IL was 3.54M. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (1.77M) and constituted 50.13% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (917.70K) and constituted 25.94% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (595.96K), constituting 16.84% 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:

Cook County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2017

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

Cook County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2017

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	1773915	50.13
Non-Hispanic Black or African American Alone	917700	25.94
Hispanic or Latino of All Races	595955	16.84
Non-Hispanic Asian Alone	203135	5.74
Non-Hispanic Two Or More Races	42365	1.20
Non-Hispanic American Indian and Alaska Native Alone	4490	0.13
Non-Hispanic Native Hawaiian And Pacific Islander Alone	890	0.03