Twin Falls, ID Demographics

A map of Twin Falls's Population by Race

Twin Falls, Idaho has an estimated population of 54,164, an increase from the 51,807 recorded in the 2020 Census. The population is 74.0% White, 17.3% Hispanic, 4.2% Multiracial, 1.9% Asian, 1.3% Native American/Other, and 1.2% Black. This demographic dot map shows the population of Twin Falls, with one dot drawn for each person counted by the Census, color-coded by race.

Twin Falls has become less racially diverse since the 2020 Census. It is considerably more diverse than Idaho overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Twin Falls, that probability was 42.9% in 2020 and 41.9% in the most recent ACS estimates.

Twin Falls is ranked the 8th most populous place in Idaho, out of 236 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Twin Falls was ranked the 8th most populous place in the 2020 Census.

Twin Falls's White Population

40,106 residents of Twin Falls, or 74.0% of the population, identify as White. The share of White residents in Twin Falls is slightly lower than in Idaho overall, where 78.6% of the population is White. Twin Falls ranks 180th statewide in terms of White residents as a share of the population, out of 236 places.

Since the 2020 Census, Twin Falls's White population has grown by an estimated 5.5%. White residents' share of Twin Falls's population has increased from 73.3% to 74.0%.

Twin Falls is more White than neighboring Kimberly (65.1% White), Jerome (45.2% White), Hansen (69% White), and Hollister (44.1% White). Twin Falls is less White than neighboring Filer (83% White).

Twin Falls's Black Population

649 residents of Twin Falls, or 1.2% of the population, identify as Black. The share of Black residents in Twin Falls is comparable to the share in Idaho overall, where 0.7% of the population is Black. Twin Falls ranks 6th statewide in terms of Black residents as a share of the population, out of 236 places.

Since the 2020 Census, Twin Falls's Black population has declined by an estimated 28.0%. Black residents' share of Twin Falls's population has decreased from 1.7% to 1.2%.

Twin Falls is more Black than neighboring Kimberly (0% Black), Filer (0% Black), Jerome (0.1% Black), Hansen (0% Black), and Hollister (0% Black).

Twin Falls's Asian Population

1,044 residents of Twin Falls, or 1.9% of the population, identify as Asian. The share of Asian residents in Twin Falls is comparable to the share in Idaho overall, where 1.3% of the population is Asian. Twin Falls ranks 9th statewide in terms of Asian residents as a share of the population, out of 236 places.

Since the 2020 Census, Twin Falls's Asian population has declined by an estimated 16.9%. Asian residents' share of Twin Falls's population has decreased from 2.4% to 1.9%.

Twin Falls is more Asian than neighboring Kimberly (0.2% Asian), Filer (0% Asian), Jerome (0% Asian), Hansen (0% Asian), and Hollister (0% Asian).

Twin Falls's Hispanic Population

9,382 residents of Twin Falls, or 17.3% of the population, identify as Hispanic. The share of Hispanic residents in Twin Falls is slightly higher than in Idaho overall, where 13.6% of the population is Hispanic. Twin Falls ranks 58th statewide in terms of Hispanic residents as a share of the population, out of 236 places.

Since the 2020 Census, Twin Falls's Hispanic population has grown by an estimated 4.5%. Hispanic residents' share of Twin Falls's population has remained roughly unchanged at 17.3%.

Twin Falls is more Hispanic than neighboring Filer (10.2% Hispanic). Twin Falls is less Hispanic than neighboring Kimberly (33.2% Hispanic), Jerome (50.8% Hispanic), Hansen (25.9% Hispanic), and Hollister (55.3% Hispanic).

Twin Falls's Native American/Other Population

684 residents of Twin Falls, or 1.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Twin Falls is comparable to the share in Idaho overall, where 1.5% of the population is Native American/Other. Twin Falls ranks 98th statewide in terms of Native American/Other residents as a share of the population, out of 236 places.

Since the 2020 Census, Twin Falls's Native American/Other population has grown by an estimated 6.7%. Native American/Other residents' share of Twin Falls's population has remained roughly unchanged at 1.3%.

Twin Falls is more Native American/Other than neighboring Kimberly (0.6% Native American/Other), Jerome (0.4% Native American/Other), Hansen (1.1% Native American/Other), and Hollister (0% Native American/Other).

Twin Falls's Multiracial Population

2,299 residents of Twin Falls, or 4.2% of the population, identify as Multiracial. The share of Multiracial residents in Twin Falls is comparable to the share in Idaho overall, where 4.2% of the population is Multiracial. Twin Falls ranks 108th statewide in terms of Multiracial residents as a share of the population, out of 236 places.

Since the 2020 Census, Twin Falls's Multiracial population has grown by an estimated 13.0%. Multiracial residents' share of Twin Falls's population has remained roughly unchanged at 4.2%.

Twin Falls is more Multiracial than neighboring Kimberly (0.9% Multiracial), Jerome (3.4% Multiracial), Hansen (4% Multiracial), and Hollister (0.6% Multiracial). Twin Falls is less Multiracial than neighboring Filer (5.5% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.