Fremont County Demographics

A map of Fremont County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	27,156	26,586	68.7%	67.8%
Native American/Other	7,264	7,941	18.4%	20.2%
Hispanic	2,745	2,421	6.9%	6.2%
Multiracial	2,029	1,915	5.1%	4.9%
Black	216	166	0.5%	0.4%
Asian	123	205	0.3%	0.5%

Fremont County, Wyoming has an estimated population of 39,533, a less than 1% change from the 39,234 recorded in the 2020 Census. The population is 68.7% White, 18.4% Native American/Other, 6.9% Hispanic, 5.1% Multiracial, 0.5% Black, and 0.3% Asian. This demographic dot map shows the population of Fremont County, with one dot drawn for each person counted by the Census, color-coded by race.

Fremont has become slightly less racially diverse since the 2020 Census. It is considerably more 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 Fremont County, that probability was 49.4% in 2020 and 48.7% in the most recent ACS estimates.

Fremont County is ranked the 5th most populous county in Wyoming, out of 23 counties. Fremont County was ranked the 5th most populous county in the 2020 Census.

Fremont County's White Population

27,156 residents of Fremont County, or 68.7% of the population, identify as White. The share of White residents in Fremont County is considerably lower than in Wyoming overall, where 81.4% of the population is White. Fremont County ranks 23rd statewide in terms of White residents as a share of the population, out of 23 counties.

Since the 2020 Census, Fremont County's White population has grown by an estimated 2.1%. White residents' share of Fremont County's population has increased from 67.8% to 68.7%.

Fremont County is less White than neighboring Hot Springs County (89.5% White), Washakie County (80.6% White), Sublette County (86.5% White), Sweetwater County (76.8% White), and Big Horn County (85% White).

Fremont County's Black Population

216 residents of Fremont County, or 0.5% of the population, identify as Black. The share of Black residents in Fremont County is comparable to the share in Wyoming overall, where 0.8% of the population is Black. Fremont County ranks 8th statewide in terms of Black residents as a share of the population, out of 23 counties.

Since the 2020 Census, Fremont County's Black population has grown by an estimated 30.1%. Black residents' share of Fremont County's population has remained roughly unchanged at 0.5%.

Fremont County is more Black than neighboring Hot Springs County (0% Black), Washakie County (0.1% Black), and Sublette County (0.1% Black). Fremont County is less Black than neighboring Sweetwater County (1.3% Black), and Big Horn County (0.7% Black).

Fremont County's Asian Population

123 residents of Fremont County, or 0.3% of the population, identify as Asian. The share of Asian residents in Fremont County is comparable to the share in Wyoming overall, where 0.8% of the population is Asian. Fremont County ranks 12th statewide in terms of Asian residents as a share of the population, out of 23 counties.

Since the 2020 Census, Fremont County's Asian population has declined by an estimated 40.0%. Asian residents' share of Fremont County's population has remained roughly unchanged at 0.3%.

Fremont County is more Asian than neighboring Sublette County (0% Asian). Fremont County is less Asian than neighboring Sweetwater County (0.5% Asian), and Big Horn County (0.5% Asian).

Fremont County's Hispanic Population

2,745 residents of Fremont County, or 6.9% of the population, identify as Hispanic. The share of Hispanic residents in Fremont County is slightly lower than in Wyoming overall, where 10.7% of the population is Hispanic. Fremont County ranks 15th statewide in terms of Hispanic residents as a share of the population, out of 23 counties.

Since the 2020 Census, Fremont County's Hispanic population has grown by an estimated 13.4%. Hispanic residents' share of Fremont County's population has increased from 6.2% to 6.9%.

Fremont County is more Hispanic than neighboring Hot Springs County (4% Hispanic). Fremont County is less Hispanic than neighboring Washakie County (14.1% Hispanic), Sublette County (7.3% Hispanic), Sweetwater County (16.8% Hispanic), and Big Horn County (9.7% Hispanic).

Fremont County's Native American/Other Population

7,264 residents of Fremont County, or 18.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Fremont County is significantly higher than in Wyoming overall, where 2.4% of the population is Native American/Other. Fremont County ranks 1st statewide in terms of Native American/Other residents as a share of the population, out of 23 counties.

Since the 2020 Census, Fremont County's Native American/Other population has declined by an estimated 8.5%. Native American/Other residents' share of Fremont County's population has decreased from 20.2% to 18.4%.

Fremont County is more Native American/Other than neighboring Hot Springs County (0.9% Native American/Other), Washakie County (0.5% Native American/Other), Sublette County (0.7% Native American/Other), Sweetwater County (1.3% Native American/Other), and Big Horn County (1.1% Native American/Other).

Fremont County's Multiracial Population

2,029 residents of Fremont County, or 5.1% of the population, identify as Multiracial. The share of Multiracial residents in Fremont County is comparable to the share in Wyoming overall, where 4% of the population is Multiracial. Fremont County ranks 2nd statewide in terms of Multiracial residents as a share of the population, out of 23 counties.

Since the 2020 Census, Fremont County's Multiracial population has grown by an estimated 6.0%. Multiracial residents' share of Fremont County's population has remained roughly unchanged at 5.1%.

Fremont County is more Multiracial than neighboring Washakie County (4.4% Multiracial), Sweetwater County (3.3% Multiracial), and Big Horn County (3.1% Multiracial). Fremont County is less Multiracial than neighboring Hot Springs County (5.3% Multiracial), and Sublette County (5.3% 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.