Population By Race and Ethnicity in Sioux County, IA in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 35,885 population of Sioux County, Iowa comprised of 4,896 people who identified as Hispanic (13.64%), and 30,989 people who identified as Non-Hispanic (86.36%).

Race: The White Alone population was the largest racial group in Sioux County, Iowa with a population of 34,703 (96.71%); Black or African American Alone population was the second largest racial group with a population of 313 (0.87%); and Asian Alone was the third largest racial group with a population of 311 (0.87%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Sioux County, Iowa in 2020, with a population of 30,197 (84.15%); the second largest ethnic group was White Alone - Hispanic with a population of 4,506 (12.56%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 271 (0.76%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Sioux, Iowa.

You can find similar information for other Iowa counties, and for Iowa.

See this for other years:
Hispanics and Non Hispanics in Sioux County, IA in 2020
Total Population:
Race in Sioux County, IA in 2020
Total Population:
Ethnicity in Sioux County, IA in 2020
Total Population:
Population By Race in Sioux , IA in 2020
Race Population Percentage
Black or African American Alone 313 0.87%
White Alone 34,703 96.71%
American Indian and Alaska Native Alone 258 0.72%
Asian Alone 311 0.87%
Native Hawaiian And Pacific Islander Alone 25 0.07%
Two Or More Races 275 0.77%
Population By Ethnicity in Sioux , IA in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 116 0.32%
White Alone - Hispanic 4,506 12.56%
American Indian and Alaska Native Alone - Hispanic 178 0.5%
Asian Alone - Hispanic 40 0.11%
Native Hawaiian And Pacific Islander Alone - Hispanic 14 0.04%
Two Or More Races - Hispanic 42 0.12%
Black or African American Alone - Non Hispanic 197 0.55%
White Alone - Non Hispanic 30,197 84.15%
American Indian and Alaska Native Alone - Non Hispanic 80 0.22%
Asian Alone - Non Hispanic 271 0.76%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 11 0.03%
Two Or More Races - Non Hispanic 233 0.65%