Sweetwater County, Wyoming Demographics 2026
Sweetwater County, Wyoming has a population of 41,542, the 4th most populous county in Wyoming. The median household income is $75,034 and the median home value is $251,400. The poverty rate is 12.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Sweetwater County Quick Facts
How Sweetwater County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 41,786 | 41,542 | -0.6% |
| Median household income | $76,464 | $75,034 | -1.9% |
| Median home value | $242,900 | $251,400 | +3.5% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 32 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Sweetwater County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Rock Springs | 23,127 | $69,168 | 16.1% | $256,200 |
| Green River | 11,581 | $84,747 | 9.3% | $263,400 |
| North Rock Springs | 2,277 | $104,350 | 9.0% | $313,000 |
| Reliance | 572 | N/A | 0.0% | $28,700 |
| Purple Sage | 489 | $55,432 | 20.3% | N/A |
| Eden | 472 | $89,625 | 2.1% | $146,900 |
| James Town | 431 | $118,750 | 0.0% | N/A |
| Clearview Acres | 273 | $62,054 | 7.0% | N/A |
| Wamsutter | 269 | $57,298 | 16.0% | $98,700 |
| Granger | 257 | $78,889 | 5.1% | $100,000 |
| Washam | 187 | N/A | 4.8% | N/A |
| Superior | 177 | $96,250 | 4.0% | N/A |
| Bairoil | 149 | $40,250 | 36.2% | $23,700 |
| Farson | 68 | N/A | 0.0% | N/A |
| Arrowhead Springs | 43 | N/A | 0.0% | $430,600 |
| Little America | 19 | N/A | 63.2% | N/A |
| Point of Rocks | 9 | N/A | 0.0% | N/A |
Explore Wyoming Rankings
Population Overview
Sweetwater County is located in Wyoming with a total population of 41,542. It is the 4th most populous county out of 23 in Wyoming. The county encompasses 17 Census-designated places.
Age Demographics
The median age in Sweetwater County is 37.9 years. This is 3% lower than the state median of 39.1 years.
Economy, Income & Housing
The median household income in Sweetwater County is $75,034. This is 1% lower than the state median of $76,176. It is also 7% lower than the national median of $80,734. The poverty rate stands at 12.9%. This is 22% higher than the state poverty rate of 10.5%. The unemployment rate is 5.6%. This is 51% higher than the state rate of 3.7%. The median home value is $251,400. Housing costs are 19% lower than the state median of $309,700. The home-value-to-income ratio is 3.4x. 74.6% of occupied housing units are owner-occupied. This homeownership rate is 4% higher than the state average of 71.8%.
Race & Ethnicity
The largest racial or ethnic group in Sweetwater County is White (non-Hispanic), making up 76.8% of the population. Hispanic or Latino residents account for 16.8%. The Black or African American population is significantly higher than the state average (1.3% vs 0.8%). The Hispanic or Latino population is significantly higher than the state average (16.8% vs 10.7%).
Education
20.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 32% lower than the state rate of 30.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.8%.
Data Sources & Methodology
All figures for Sweetwater County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Wyoming and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Sweetwater County, Wyoming?
Sweetwater County has a population of 41,542, making it the 4th most populous county in Wyoming.
What is the median income in Sweetwater County?
The median household income in Sweetwater County is $75,034 with a poverty rate of 12.9%.
How many cities are in Sweetwater County, Wyoming?
Sweetwater County contains 17 Census-designated places.