Whiteside County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the citizen voting-age population for Whiteside County, IL was 42.39K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (37.50K) and constituted 88.46% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (3.86K) and constituted 9.09% of the total. The Non-Hispanic Two Or More Races ethnicity group had the third highest (435), constituting 1.03% 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:

Whiteside County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2020

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Two Or More Races

Non-Hispanic Black Alone

Non-Hispanic Asian Alone

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Whiteside County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2020

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	37500	88.46
Hispanic or Latino of All Races	3855	9.09
Non-Hispanic Two Or More Races	435	1.03
Non-Hispanic Black or African American Alone	415	0.98
Non-Hispanic Asian Alone	70	0.17
Non-Hispanic American Indian and Alaska Native Alone	65	0.15
Non-Hispanic Native Hawaiian And Pacific Islander Alone	45	0.11