Sweetwater County's estimated 2026 population is 41,243 with a growth rate of -0.04% 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 -5.36% since that time.
Data after 2023 is projected based on recent change
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.
White (82.41%)
Two or more races (9.26%)
Other race (5.69%)
Black or African American (1.19%)
Native American (0.77%)
Asian (0.69%)
Native Hawaiian or Pacific Islander (0%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 34,434 | 82.41% |
| Two or more races | 3,869 | 9.26% |
| Other race | 2,377 | 5.69% |
| Black or African American | 498 | 1.19% |
| Native American | 320 | 0.77% |
| Asian | 287 | 0.69% |
| Native Hawaiian or Pacific Islander | 1 | 0% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $111,011 | - |
| Families | $99,495 | $118,638 |
| Households | $76,464 | $98,608 |
| Non Families | $46,771 | $57,442 |
Average Income
Median Household Income
Poverty Rate