Population By Race and Ethnicity in Twin Falls, ID in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 86,166 population of Twin Falls County, Idaho comprised of 14,325 people who identified as Hispanic (16.63%), and 71,841 people who identified as Non-Hispanic (83.38%).

Race: The White Alone population was the largest racial group in Twin Falls County, Idaho with a population of 80,746 (93.71%); Two Or More Races population was the second largest racial group with a population of 1,671 (1.94%); and Asian Alone was the third largest racial group with a population of 1,584 (1.84%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Twin Falls County, Idaho in 2018, with a population of 67,730 (78.6%); the second largest ethnic group was White Alone - Hispanic with a population of 13,016 (15.11%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 1,465 (1.7%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Twin Falls, Idaho.

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

See this for other years:
Hispanics and Non Hispanics in Twin Falls, ID in 2018
Total Population:
Race in Twin Falls, ID in 2018
Total Population:
Ethnicity in Twin Falls, ID in 2018
Total Population:
Population By Race in Twin Falls , ID in 2018
RacePopulationPercentage
Black or African American Alone 794 0.92%
White Alone 80,746 93.71%
American Indian and Alaska Native Alone 1,110 1.29%
Asian Alone 1,584 1.84%
Native Hawaiian And Pacific Islander Alone 261 0.3%
Two Or More Races 1,671 1.94%
Population By Ethnicity in Twin Falls , ID in 2018
EthnicityPopulationPercentage
Black or African American Alone - Hispanic 129 0.15%
White Alone - Hispanic 13,016 15.11%
American Indian and Alaska Native Alone - Hispanic 607 0.7%
Asian Alone - Hispanic 119 0.14%
Native Hawaiian And Pacific Islander Alone - Hispanic 48 0.06%
Two Or More Races - Hispanic 406 0.47%
Black or African American Alone - Non Hispanic 665 0.77%
White Alone - Non Hispanic 67,730 78.6%
American Indian and Alaska Native Alone - Non Hispanic 503 0.58%
Asian Alone - Non Hispanic 1,465 1.7%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 213 0.25%
Two Or More Races - Non Hispanic 1,265 1.47%