Twin Falls County Demographics

A map of Twin Falls County's Population by Race

Twin Falls County, Idaho had a population of 90,046 in 2020. It was 75.7% White, 1.1% Black, 1.6% Asian, 16.9% Hispanic, 1.1% Native American/Other, and 3.6% Multiracial. This map presents the population of Twin Falls County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Twin Falls County is the 5th most populous county of the 44 counties in Idaho.

Twin Falls County's White Population

68,169 residents of Twin Falls County identify as White, or 75.7%. This makes the White share of the population of Twin Falls County roughly similar to the White share of the population of Idaho (78.9% White). Of the 44 counties in Idaho, Twin Falls County is ranked #32 in terms of White residents as a share of the population.

Twin Falls County is more White than neighboring Jerome County (58.4% White), Gooding County (64.4% White), Lincoln County (63.3% White), and Cassia County (67% White). Twin Falls County is less White than neighboring Camas County (87.1% White).

Twin Falls County's Black Population

1,021 residents of Twin Falls County identify as Black, or 1.1%. This makes the Black share of the population of Twin Falls County roughly similar to the Black share of the population of Idaho (0.8% Black). Of the 44 counties in Idaho, Twin Falls County is ranked #4 in terms of Black residents as a share of the population.

Twin Falls County is more Black than neighboring Jerome County (0.2% Black), Gooding County (0.1% Black), Lincoln County (0.1% Black), Cassia County (0.3% Black), and Camas County (0.2% Black).

Twin Falls County's Asian Population

1,403 residents of Twin Falls County identify as Asian, or 1.6%. This makes the Asian share of the population of Twin Falls County roughly similar to the Asian share of the population of Idaho (1.4% Asian). Of the 44 counties in Idaho, Twin Falls County is ranked #5 in terms of Asian residents as a share of the population.

Twin Falls County is more Asian than neighboring Jerome County (0.3% Asian), Gooding County (0.3% Asian), Lincoln County (0.2% Asian), Cassia County (0.5% Asian), and Camas County (0.7% Asian).

Twin Falls County's Hispanic Population

15,210 residents of Twin Falls County identify as Hispanic, or 16.9%. This makes the Hispanic share of the population of Twin Falls County roughly similar to the Hispanic share of the population of Idaho (13% Hispanic). Of the 44 counties in Idaho, Twin Falls County is ranked #14 in terms of Hispanic residents as a share of the population.

Twin Falls County is more Hispanic than neighboring Camas County (5.5% Hispanic). Twin Falls County is less Hispanic than neighboring Jerome County (37.9% Hispanic), Gooding County (31.1% Hispanic), Lincoln County (32% Hispanic), and Cassia County (29.1% Hispanic).

Twin Falls County's Native American/Other Population

967 residents of Twin Falls County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.1%. This makes the Native American/Other share of the population of Twin Falls County roughly similar to the Native American/Other share of the population of Idaho (1.7% Native American/Other). Of the 44 counties in Idaho, Twin Falls County is ranked #25 in terms of Native American/Other residents as a share of the population.

Twin Falls County is more Native American/Other than neighboring Jerome County (0.8% Native American/Other), Gooding County (0.8% Native American/Other), Lincoln County (0.6% Native American/Other), Cassia County (0.9% Native American/Other), and Camas County (0.5% Native American/Other).

Twin Falls County's Multiracial Population

3,276 residents of Twin Falls County identify as Multiracial, or 3.6%. This makes the Multiracial share of the population of Twin Falls County roughly similar to the Multiracial share of the population of Idaho (4.2% Multiracial). Of the 44 counties in Idaho, Twin Falls County is ranked #24 in terms of Multiracial residents as a share of the population.

Twin Falls County is more Multiracial than neighboring Jerome County (2.4% Multiracial), Gooding County (3.3% Multiracial), and Cassia County (2.1% Multiracial). Twin Falls County is less Multiracial than neighboring Lincoln County (3.8% Multiracial), and Camas County (6% Multiracial).

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