Population By Race and Ethnicity in Sioux County, IA in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 34,767 population of Sioux County, Iowa comprised of 3,814 people who identified as Hispanic (10.97%), and 30,953 people who identified as Non-Hispanic (89.03%).

Race: The White Alone population was the largest racial group in Sioux County, Iowa with a population of 33,668 (96.84%); Asian Alone population was the second largest racial group with a population of 309 (0.89%); and Black or African American Alone was the third largest racial group with a population of 286 (0.82%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Sioux County, Iowa in 2018, with a population of 30,158 (86.74%); the second largest ethnic group was White Alone - Hispanic with a population of 3,510 (10.1%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 278 (0.8%).

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 2018
Total Population:
Race in Sioux County, IA in 2018
Total Population:
Ethnicity in Sioux County, IA in 2018
Total Population:
Population By Race in Sioux , IA in 2018
Race Population Percentage
Black or African American Alone 286 0.82%
White Alone 33,668 96.84%
American Indian and Alaska Native Alone 205 0.59%
Asian Alone 309 0.89%
Native Hawaiian And Pacific Islander Alone 23 0.07%
Two Or More Races 276 0.79%
Population By Ethnicity in Sioux , IA in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 94 0.27%
White Alone - Hispanic 3,510 10.1%
American Indian and Alaska Native Alone - Hispanic 129 0.37%
Asian Alone - Hispanic 31 0.09%
Native Hawaiian And Pacific Islander Alone - Hispanic 12 0.04%
Two Or More Races - Hispanic 38 0.11%
Black or African American Alone - Non Hispanic 192 0.55%
White Alone - Non Hispanic 30,158 86.74%
American Indian and Alaska Native Alone - Non Hispanic 76 0.22%
Asian Alone - Non Hispanic 278 0.8%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 11 0.03%
Two Or More Races - Non Hispanic 238 0.69%