Iowa County, Wisconsin Citizen Voting-age Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on March 26, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for Iowa County, WI was 18.23K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (17.61K) and constituted 96.60% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (235) and constituted 1.29% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (145), constituting 0.80% 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 Wisconsin counties, and for Wisconsin.

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

See this for other years:

Iowa County, Wisconsin Citizen Voting-age Population By Race and Ethnicity in 2021

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Black Alone

Non-Hispanic Two Or More Races

Non-Hispanic Asian Alone

Non-Hispanic American Indian & Alaska Native Alone

Iowa County, Wisconsin Citizen Voting-age Population By Race and Ethnicity in 2021

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	17610	96.60
Hispanic or Latino of All Races	235	1.29
Non-Hispanic Black or African American Alone	145	0.80
Non-Hispanic Two Or More Races	140	0.77
Non-Hispanic Asian Alone	85	0.47
Non-Hispanic American Indian and Alaska Native Alone	20	0.11