Big Horn County Demographics

A map of Big Horn County's Population by Race

Big Horn County, Montana had a population of 13,124 in 2020. It was 26.0% White, 0.1% Black, 0.3% Asian, 3.9% Hispanic, 65.8% Native American/Other, and 3.9% Multiracial. This map presents the population of Big Horn County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Big Horn County is the 14th most populous county of the 56 counties in Montana.

Big Horn County's White Population

3,407 residents of Big Horn County identify as White, or 26.0%. This makes the White share of the population of Big Horn County considerably less than the White share of the population of Montana (83.1% White). Of the 56 counties in Montana, Big Horn County is ranked #55 in terms of White residents as a share of the population.

Big Horn County is less White than neighboring Treasure County (90.3% White), Sheridan County (89% White), Yellowstone County (82.9% White), Big Horn County (85.8% White), and Rosebud County (57.2% White).

Big Horn County's Black Population

11 residents of Big Horn County identify as Black, or 0.1%. This makes the Black share of the population of Big Horn County roughly similar to the Black share of the population of Montana (0.5% Black). Of the 56 counties in Montana, Big Horn County is ranked #49 in terms of Black residents as a share of the population.

Big Horn County is less Black than neighboring Sheridan County (0.4% Black), Yellowstone County (0.7% Black), Big Horn County (0.2% Black), and Rosebud County (0.2% Black).

Big Horn County's Asian Population

44 residents of Big Horn County identify as Asian, or 0.3%. This makes the Asian share of the population of Big Horn County roughly similar to the Asian share of the population of Montana (0.7% Asian). Of the 56 counties in Montana, Big Horn County is ranked #34 in terms of Asian residents as a share of the population.

Big Horn County is less Asian than neighboring Treasure County (0.4% Asian), Sheridan County (0.6% Asian), Yellowstone County (0.8% Asian), Big Horn County (0.4% Asian), and Rosebud County (0.4% Asian).

Big Horn County's Hispanic Population

515 residents of Big Horn County identify as Hispanic, or 3.9%. This makes the Hispanic share of the population of Big Horn County roughly similar to the Hispanic share of the population of Montana (4.2% Hispanic). Of the 56 counties in Montana, Big Horn County is ranked #10 in terms of Hispanic residents as a share of the population.

Big Horn County is more Hispanic than neighboring Rosebud County (2.8% Hispanic). Big Horn County is less Hispanic than neighboring Treasure County (4.1% Hispanic), Sheridan County (4.6% Hispanic), Yellowstone County (6.1% Hispanic), and Big Horn County (9.3% Hispanic).

Big Horn County's Native American/Other Population

8,639 residents of Big Horn County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 65.8%. This makes the Native American/Other share of the population of Big Horn County considerably larger than the Native American/Other share of the population of Montana (6.4% Native American/Other). Of the 56 counties in Montana, Big Horn County is ranked #2 in terms of Native American/Other residents as a share of the population.

Big Horn County is more Native American/Other than neighboring Treasure County (2.1% Native American/Other), Sheridan County (1.5% Native American/Other), Yellowstone County (4.5% Native American/Other), Big Horn County (1.3% Native American/Other), and Rosebud County (35.3% Native American/Other).

Big Horn County's Multiracial Population

508 residents of Big Horn County identify as Multiracial, or 3.9%. This makes the Multiracial share of the population of Big Horn County roughly similar to the Multiracial share of the population of Montana (5% Multiracial). Of the 56 counties in Montana, Big Horn County is ranked #37 in terms of Multiracial residents as a share of the population.

Big Horn County is more Multiracial than neighboring Treasure County (3% Multiracial), and Big Horn County (3.1% Multiracial). Big Horn County is less Multiracial than neighboring Sheridan County (4% Multiracial), Yellowstone County (5% Multiracial), and Rosebud County (4% Multiracial).

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