Sweetwater County Demographics

A map of Sweetwater County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	31,890	32,362	76.8%	76.6%
Hispanic	6,991	6,957	16.8%	16.5%
Multiracial	1,379	1,852	3.3%	4.4%
Native American/Other	543	467	1.3%	1.1%
Black	542	351	1.3%	0.8%
Asian	197	283	0.5%	0.7%

Sweetwater County, Wyoming has an estimated population of 41,542, a slight decrease from the 42,272 recorded in the 2020 Census. The population is 76.8% White, 16.8% Hispanic, 3.3% Multiracial, 1.3% Black, 1.3% Native American/Other, and 0.5% Asian. This demographic dot map shows the population of Sweetwater County, with one dot drawn for each person counted by the Census, color-coded by race.

Sweetwater is about as racially diverse as it was in 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 Sweetwater County, that probability was 38.5% in 2020 and 38.1% in the most recent ACS estimates.

Sweetwater County is ranked the 4th most populous county in Wyoming, out of 23 counties. Sweetwater County was ranked the 4th most populous county in the 2020 Census.

Sweetwater County's White Population

31,890 residents of Sweetwater County, or 76.8% of the population, identify as White. The share of White residents in Sweetwater County is slightly lower than in Wyoming overall, where 81.4% of the population is White. Sweetwater County ranks 20th statewide in terms of White residents as a share of the population, out of 23 counties.

Since the 2020 Census, Sweetwater County's White population has declined by an estimated 1.5%. White residents' share of Sweetwater County's population has remained roughly unchanged at 76.8%.

Sweetwater County is more White than neighboring Moffat County (76.5% White), and Fremont County (68.7% White). Sweetwater County is less White than neighboring Daggett County (90.8% White), Sublette County (86.5% White), and Uintah County (80% White).

Sweetwater County's Black Population

542 residents of Sweetwater County, or 1.3% of the population, identify as Black. The share of Black residents in Sweetwater County is comparable to the share in Wyoming overall, where 0.8% of the population is Black. Sweetwater County ranks 5th statewide in terms of Black residents as a share of the population, out of 23 counties.

Since the 2020 Census, Sweetwater County's Black population has grown by an estimated 54.4%. Black residents' share of Sweetwater County's population has increased from 0.8% to 1.3%.

Sweetwater County is more Black than neighboring Daggett County (0% Black), Moffat County (0% Black), Fremont County (0.5% Black), Sublette County (0.1% Black), and Uintah County (0.5% Black).

Sweetwater County's Asian Population

197 residents of Sweetwater County, or 0.5% of the population, identify as Asian. The share of Asian residents in Sweetwater County is comparable to the share in Wyoming overall, where 0.8% of the population is Asian. Sweetwater County ranks 7th statewide in terms of Asian residents as a share of the population, out of 23 counties.

Since the 2020 Census, Sweetwater County's Asian population has declined by an estimated 30.4%. Asian residents' share of Sweetwater County's population has remained roughly unchanged at 0.5%.

Sweetwater County is more Asian than neighboring Daggett County (0% Asian), Fremont County (0.3% Asian), and Sublette County (0% Asian). Sweetwater County is less Asian than neighboring Uintah County (0.8% Asian).

Sweetwater County's Hispanic Population

6,991 residents of Sweetwater County, or 16.8% of the population, identify as Hispanic. The share of Hispanic residents in Sweetwater County is higher than in Wyoming overall, where 10.7% of the population is Hispanic. Sweetwater County ranks 2nd statewide in terms of Hispanic residents as a share of the population, out of 23 counties.

Since the 2020 Census, Sweetwater County's Hispanic population has remained roughly the same. Hispanic residents' share of Sweetwater County's population has remained roughly unchanged at 16.8%.

Sweetwater County is more Hispanic than neighboring Daggett County (2.8% Hispanic), Fremont County (6.9% Hispanic), Sublette County (7.3% Hispanic), and Uintah County (8.8% Hispanic).

Sweetwater County's Native American/Other Population

543 residents of Sweetwater County, 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 Sweetwater County is comparable to the share in Wyoming overall, where 2.4% of the population is Native American/Other. Sweetwater County ranks 16th statewide in terms of Native American/Other residents as a share of the population, out of 23 counties.

Since the 2020 Census, Sweetwater County's Native American/Other population has grown by an estimated 16.3%. Native American/Other residents' share of Sweetwater County's population has remained roughly unchanged at 1.3%.

Sweetwater County is more Native American/Other than neighboring Sublette County (0.7% Native American/Other). Sweetwater County is less Native American/Other than neighboring Daggett County (3.7% Native American/Other), Moffat County (1.8% Native American/Other), Fremont County (18.4% Native American/Other), and Uintah County (4.1% Native American/Other).

Sweetwater County's Multiracial Population

1,379 residents of Sweetwater County, or 3.3% of the population, identify as Multiracial. The share of Multiracial residents in Sweetwater County is comparable to the share in Wyoming overall, where 4% of the population is Multiracial. Sweetwater County ranks 6th statewide in terms of Multiracial residents as a share of the population, out of 23 counties.

Since the 2020 Census, Sweetwater County's Multiracial population has declined by an estimated 25.5%. Multiracial residents' share of Sweetwater County's population has decreased from 4.4% to 3.3%.

Sweetwater County is more Multiracial than neighboring Daggett County (2.7% Multiracial). Sweetwater County is less Multiracial than neighboring Moffat County (4.4% Multiracial), Fremont County (5.1% Multiracial), Sublette County (5.3% Multiracial), and Uintah County (5.8% 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.