Green River is a city located in Sweetwater County, Wyoming. Green River has a 2025 population of 11,390 . It is also the county seat of Sweetwater County . Green River is currently declining at a rate of -0.73% annually and its population has decreased by -3.54% since the most recent census, which recorded a population of 11,808 in 2020.
The average household income in Green River is $99,212 with a poverty rate of 9.68%. The median age in Green River is 36.8 years: 36.6 years for males, and 37 years for females. For every 100 females there are 97.7 males.
Data after 2023 is projected based on recent change
The racial composition of Green River includes 87.03% White, and smaller percentages for other race, Asian, Native American and multiracial populations.
White (87.03%)
Two or more races (9.6%)
Other race (2.78%)
Asian (0.5%)
Native American (0.09%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 10,164 | 87.03% |
| Two or more races | 1,121 | 9.6% |
| Other race | 325 | 2.78% |
| Asian | 58 | 0.5% |
| Native American | 11 | 0.09% |
Married
Widowed
Divorced
Separated
Never Married
Green River's average per capita income is $63,877. Household income levels show a median of $85,399. The poverty rate stands at 9.68%.
Name | Median | Mean |
|---|---|---|
| Married Families | $113,190 | - |
| Families | $102,708 | $111,188 |
| Households | $85,399 | $99,212 |
| Non Families | $50,984 | $66,159 |
Average Income
Median Household Income
Poverty Rate