Cook County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2019 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2019, 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 (1.75M) and constituted 49.30% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (907.06K) and constituted 25.62% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (625.48K), constituting 17.66% 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 2019

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 2019

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	1745920	49.30
Non-Hispanic Black or African American Alone	907060	25.62
Hispanic or Latino of All Races	625480	17.66
Non-Hispanic Asian Alone	211740	5.98
Non-Hispanic Two Or More Races	45805	1.29
Non-Hispanic American Indian and Alaska Native Alone	4190	0.12
Non-Hispanic Native Hawaiian And Pacific Islander Alone	985	0.03