Eureka is a city located in Juab County, Utah. Eureka has a 2025 population of 664. Eureka is currently growing at a rate of 0.15% annually and its population has increased by 0.76% since the most recent census, which recorded a population of 659 in 2020.
The average household income in Eureka is $84,848 with a poverty rate of 18.31%. The median age in Eureka is 38.8 years: 40.2 years for males, and 35.5 years for females.
Data after 2023 is projected based on recent change
The racial composition of Eureka includes 90.54% White, and smaller percentages for Native American, other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
White
Two or more races
Native American
Other race
Black or African American
Asian
Native Hawaiian or Pacific Islander
Race | Population | Percentage (of total) |
|---|---|---|
| White | 852 | 90.54% |
| Two or more races | 77 | 8.18% |
| Native American | 8 | 0.85% |
| Other race | 4 | 0.43% |
| Black or African American | 0 | 0% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
Married
Widowed
Divorced
Separated
Never Married
Eureka's average per capita income is $41,071. Household income levels show a median of $70,938. The poverty rate stands at 18.31%.
Name | Median | Mean |
|---|---|---|
| Married Families | $85,208 | - |
| Families | $82,891 | $83,133 |
| Households | $70,938 | $84,848 |
| Non Families | $55,089 | $85,218 |
Average Income
Median Household Income
Poverty Rate