Sweetwater County Flag

Sweetwater County

State:
Wyoming
County Seat:
Green River

Sweetwater County's estimated 2025 population is 40,999 with a growth rate of -0.3% in the past year according to the most recent United States census data. Sweetwater County is the 4th largest county in Wyoming. The 2010 population was 43,580 and has seen a growth of -5.92% since that time.

40,999
Total Population
4
Population Density (mi²)
4
Population Rank (State)
-125 -0.3%
Annual Population Growth

Sweetwater County Population

Sweetwater County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Sweetwater County includes 82.41% White, 5.69% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White34,43482.41%
Two or more races3,8699.26%
Other race2,3775.69%
Black or African American4981.19%
Native American3200.77%
Asian2870.69%
Native Hawaiian or Pacific Islander10%

Sweetwater County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sweetwater County's average per capita income is $54,540. Household income levels show a median of $76,464. The poverty rate stands at 13.44%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$111,011-
Families$99,495$118,638
Households$76,464$98,608
Non Families$46,771$57,442

$54,540

Average Income

$76,464

Median Household Income

13.44%

Poverty Rate