Iowa County Demographics

A map of Iowa County's Population by Race

Iowa County, Wisconsin had a population of 23,709 in 2020. It was 93.6% White, 0.5% Black, 0.8% Asian, 1.9% Hispanic, 0.4% Native American/Other, and 2.8% Multiracial. This map presents the population of Iowa County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Iowa County is the 48th most populous county of the 72 counties in Wisconsin.

Iowa County's White Population

22,203 residents of Iowa County identify as White, or 93.6%. This makes the White share of the population of Iowa County larger than the White share of the population of Wisconsin (78.6% White). Of the 72 counties in Wisconsin, Iowa County is ranked #9 in terms of White residents as a share of the population.

Iowa County is more White than neighboring Lafayette County (90.8% White), Sauk County (88% White), Richland County (92.5% White), Grant County (93% White), and Green County (91.6% White).

Iowa County's Black Population

114 residents of Iowa County identify as Black, or 0.5%. This makes the Black share of the population of Iowa County slightly less than the Black share of the population of Wisconsin (6.2% Black). Of the 72 counties in Wisconsin, Iowa County is ranked #47 in terms of Black residents as a share of the population.

Iowa County is more Black than neighboring Lafayette County (0.2% Black). Iowa County is less Black than neighboring Sauk County (0.9% Black), and Grant County (1.3% Black).

Iowa County's Asian Population

178 residents of Iowa County identify as Asian, or 0.8%. This makes the Asian share of the population of Iowa County roughly similar to the Asian share of the population of Wisconsin (3% Asian). Of the 72 counties in Wisconsin, Iowa County is ranked #28 in terms of Asian residents as a share of the population.

Iowa County is more Asian than neighboring Lafayette County (0.2% Asian), Sauk County (0.6% Asian), Richland County (0.5% Asian), and Green County (0.5% Asian).

Iowa County's Hispanic Population

455 residents of Iowa County identify as Hispanic, or 1.9%. This makes the Hispanic share of the population of Iowa County slightly less than the Hispanic share of the population of Wisconsin (7.6% Hispanic). Of the 72 counties in Wisconsin, Iowa County is ranked #58 in terms of Hispanic residents as a share of the population.

Iowa County is less Hispanic than neighboring Lafayette County (6.6% Hispanic), Sauk County (6.2% Hispanic), Richland County (3% Hispanic), Grant County (2.4% Hispanic), and Green County (4% Hispanic).

Iowa County's Native American/Other Population

88 residents of Iowa County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.4%. This makes the Native American/Other share of the population of Iowa County roughly similar to the Native American/Other share of the population of Wisconsin (1.2% Native American/Other). Of the 72 counties in Wisconsin, Iowa County is ranked #68 in terms of Native American/Other residents as a share of the population.

Iowa County is more Native American/Other than neighboring Lafayette County (0.3% Native American/Other), Grant County (0.3% Native American/Other), and Green County (0.3% Native American/Other). Iowa County is less Native American/Other than neighboring Sauk County (1.4% Native American/Other).

Iowa County's Multiracial Population

671 residents of Iowa County identify as Multiracial, or 2.8%. This makes the Multiracial share of the population of Iowa County roughly similar to the Multiracial share of the population of Wisconsin (3.5% Multiracial). Of the 72 counties in Wisconsin, Iowa County is ranked #49 in terms of Multiracial residents as a share of the population.

Iowa County is more Multiracial than neighboring Lafayette County (2% Multiracial), and Grant County (2.2% Multiracial). Iowa County is less Multiracial than neighboring Sauk County (3% Multiracial), Richland County (3% Multiracial), and Green County (3.1% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.