Big Horn County Demographics

A map of Big Horn County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	10,053	9,884	85.0%	85.8%
Hispanic	1,143	1,069	9.7%	9.3%
Multiracial	362	354	3.1%	3.1%
Native American/Other	132	148	1.1%	1.3%
Black	79	22	0.7%	0.2%
Asian	59	44	0.5%	0.4%

Big Horn County, Wyoming has an estimated population of 11,828, a slight increase from the 11,521 recorded in the 2020 Census. The population is 85.0% White, 9.7% Hispanic, 3.1% Multiracial, 1.1% Native American/Other, 0.7% Black, and 0.5% Asian. This demographic dot map shows the population of Big Horn County, with one dot drawn for each person counted by the Census, color-coded by race.

Big Horn has become more racially diverse since the 2020 Census. It is considerably less diverse than Wyoming overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Big Horn County, that probability was 25.4% in 2020 and 26.7% in the most recent ACS estimates.

Big Horn County is ranked the 15th most populous county in Wyoming, out of 23 counties. Big Horn County was ranked the 15th most populous county in the 2020 Census.

Big Horn County's White Population

10,053 residents of Big Horn County, or 85.0% of the population, identify as White. The share of White residents in Big Horn County is slightly higher than in Wyoming overall, where 81.4% of the population is White. Big Horn County ranks 12th statewide in terms of White residents as a share of the population, out of 23 counties.

Since the 2020 Census, Big Horn County's White population has grown by an estimated 1.7%. White residents' share of Big Horn County's population has decreased from 85.8% to 85.0%.

Big Horn County is more White than neighboring Washakie County (80.6% White), and Big Horn County (27% White). Big Horn County is less White than neighboring Hot Springs County (89.5% White), Sheridan County (89.2% White), and Carbon County (90.1% White).

Big Horn County's Black Population

79 residents of Big Horn County, or 0.7% of the population, identify as Black. The share of Black residents in Big Horn County is comparable to the share in Wyoming overall, where 0.8% of the population is Black. Big Horn County ranks 20th statewide in terms of Black residents as a share of the population, out of 23 counties.

Since the 2020 Census, Big Horn County's Black population has grown by an estimated 259.1%. Black residents' share of Big Horn County's population has remained roughly unchanged at 0.7%.

Big Horn County is more Black than neighboring Washakie County (0.1% Black), Hot Springs County (0% Black), Big Horn County (0.3% Black), and Carbon County (0.3% Black).

Big Horn County's Asian Population

59 residents of Big Horn County, or 0.5% of the population, identify as Asian. The share of Asian residents in Big Horn County is comparable to the share in Wyoming overall, where 0.8% of the population is Asian. Big Horn County ranks 19th statewide in terms of Asian residents as a share of the population, out of 23 counties.

Since the 2020 Census, Big Horn County's Asian population has grown by an estimated 34.1%. Asian residents' share of Big Horn County's population has remained roughly unchanged at 0.5%.

Big Horn County is more Asian than neighboring Washakie County (0.3% Asian), Hot Springs County (0.3% Asian), Big Horn County (0.2% Asian), and Carbon County (0% Asian). Big Horn County is less Asian than neighboring Sheridan County (1% Asian).

Big Horn County's Hispanic Population

1,143 residents of Big Horn County, or 9.7% of the population, identify as Hispanic. The share of Hispanic residents in Big Horn County is comparable to the share in Wyoming overall, where 10.7% of the population is Hispanic. Big Horn County ranks 9th statewide in terms of Hispanic residents as a share of the population, out of 23 counties.

Since the 2020 Census, Big Horn County's Hispanic population has grown by an estimated 6.9%. Hispanic residents' share of Big Horn County's population has remained roughly unchanged at 9.7%.

Big Horn County is more Hispanic than neighboring Hot Springs County (4% Hispanic), Big Horn County (4.7% Hispanic), Sheridan County (5% Hispanic), and Carbon County (3% Hispanic). Big Horn County is less Hispanic than neighboring Washakie County (14.1% Hispanic).

Big Horn County's Native American/Other Population

132 residents of Big Horn County, or 1.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Big Horn County is comparable to the share in Wyoming overall, where 2.4% of the population is Native American/Other. Big Horn County ranks 10th statewide in terms of Native American/Other residents as a share of the population, out of 23 counties.

Since the 2020 Census, Big Horn County's Native American/Other population has declined by an estimated 10.8%. Native American/Other residents' share of Big Horn County's population has remained roughly unchanged at 1.1%.

Big Horn County is more Native American/Other than neighboring Washakie County (0.5% Native American/Other), and Hot Springs County (0.9% Native American/Other). Big Horn County is less Native American/Other than neighboring Big Horn County (66.2% Native American/Other), Sheridan County (1.2% Native American/Other), and Carbon County (2% Native American/Other).

Big Horn County's Multiracial Population

362 residents of Big Horn County, or 3.1% of the population, identify as Multiracial. The share of Multiracial residents in Big Horn County is comparable to the share in Wyoming overall, where 4% of the population is Multiracial. Big Horn County ranks 20th statewide in terms of Multiracial residents as a share of the population, out of 23 counties.

Since the 2020 Census, Big Horn County's Multiracial population has grown by an estimated 2.3%. Multiracial residents' share of Big Horn County's population has remained roughly unchanged at 3.1%.

Big Horn County is more Multiracial than neighboring Big Horn County (1.6% Multiracial), and Sheridan County (3% Multiracial). Big Horn County is less Multiracial than neighboring Washakie County (4.4% Multiracial), Hot Springs County (5.3% Multiracial), and Carbon County (4.5% 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.