Lemhi County Demographics

A map of Lemhi County's Population by Race

Lemhi County, Idaho had a population of 7,974 in 2020. It was 91.3% White, 0.2% Black, 0.4% Asian, 3.7% Hispanic, 1.1% Native American/Other, and 3.3% Multiracial. This map presents the population of Lemhi County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Lemhi County is the 32nd most populous county of the 44 counties in Idaho.

Lemhi County's White Population

7,280 residents of Lemhi County identify as White, or 91.3%. This makes the White share of the population of Lemhi County larger than the White share of the population of Idaho (78.9% White). Of the 44 counties in Idaho, Lemhi County is ranked #3 in terms of White residents as a share of the population.

Lemhi County is more White than neighboring Custer County (91.1% White), Beaverhead County (88.9% White), Ravalli County (89.9% White), Deer Lodge County (90.4% White), and Butte County (90.8% White).

Lemhi County's Black Population

17 residents of Lemhi County identify as Black, or 0.2%. This makes the Black share of the population of Lemhi County roughly similar to the Black share of the population of Idaho (0.8% Black). Of the 44 counties in Idaho, Lemhi County is ranked #22 in terms of Black residents as a share of the population.

Lemhi County is more Black than neighboring Custer County (0.1% Black), and Butte County (0.1% Black). Lemhi County is less Black than neighboring Beaverhead County (0.3% Black).

Lemhi County's Asian Population

28 residents of Lemhi County identify as Asian, or 0.4%. This makes the Asian share of the population of Lemhi County roughly similar to the Asian share of the population of Idaho (1.4% Asian). Of the 44 counties in Idaho, Lemhi County is ranked #27 in terms of Asian residents as a share of the population.

Lemhi County is more Asian than neighboring Butte County (0.1% Asian). Lemhi County is less Asian than neighboring Ravalli County (0.5% Asian).

Lemhi County's Hispanic Population

295 residents of Lemhi County identify as Hispanic, or 3.7%. This makes the Hispanic share of the population of Lemhi County slightly less than the Hispanic share of the population of Idaho (13% Hispanic). Of the 44 counties in Idaho, Lemhi County is ranked #36 in terms of Hispanic residents as a share of the population.

Lemhi County is more Hispanic than neighboring Custer County (3.6% Hispanic), Ravalli County (3.6% Hispanic), and Deer Lodge County (2.8% Hispanic). Lemhi County is less Hispanic than neighboring Beaverhead County (4.6% Hispanic), and Butte County (5.2% Hispanic).

Lemhi County's Native American/Other Population

90 residents of Lemhi 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 Lemhi 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, Lemhi County is ranked #24 in terms of Native American/Other residents as a share of the population.

Lemhi County is more Native American/Other than neighboring Butte County (0.7% Native American/Other). Lemhi County is less Native American/Other than neighboring Custer County (1.2% Native American/Other), Beaverhead County (1.7% Native American/Other), Ravalli County (1.6% Native American/Other), and Deer Lodge County (2.5% Native American/Other).

Lemhi County's Multiracial Population

264 residents of Lemhi County identify as Multiracial, or 3.3%. This makes the Multiracial share of the population of Lemhi County roughly similar to the Multiracial share of the population of Idaho (4.2% Multiracial). Of the 44 counties in Idaho, Lemhi County is ranked #29 in terms of Multiracial residents as a share of the population.

Lemhi County is more Multiracial than neighboring Butte County (3.1% Multiracial). Lemhi County is less Multiracial than neighboring Custer County (3.6% Multiracial), Beaverhead County (4.1% Multiracial), Ravalli County (4.3% Multiracial), and Deer Lodge County (3.7% Multiracial).

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