Fremont County's 2026 population is estimated at 39,563, reflecting a -0.2% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Fremont County is the 6th largest county in Wyoming. The 2010 population was 40,199 and has grown -1.58% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.7 years
Female: 40.5 years
Male: 38.9 years
There are 29,861 adults, (7,903 of whom are seniors) in Fremont County.
Female: 19,534 (49.4%)
Male: 19,999 (50.6%)
The racial composition of Fremont County includes 70.91% White, 18.3% Native American, and smaller percentages for other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 28,031 | 70.91% |
| Native American | 7,233 | 18.3% |
| Two or more races | 2,864 | 7.24% |
| Other race | 1,026 | 2.6% |
| Black or African American | 216 | 0.55% |
| Asian | 130 | 0.33% |
| Native Hawaiian or Pacific Islander | 33 | 0.08% |
Fremont County 's average per capita income is $40,055. Household income levels show a median of $64,904. The poverty rate stands at 12.82%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $97,818 | $109,841 |
| Families | $82,181 | $95,804 |
| Households | $64,904 | $81,945 |
| Non Families | $41,650 | $54,123 |
Average Income
Median Household Income
Poverty Rate