Elk River is a city located in Clearwater County, Idaho. Elk River has a 2025 population of 145 . Elk River is currently growing at a rate of 0.69% annually and its population has increased by 3.57% since the most recent census, which recorded a population of 140 in 2020.
The average household income in Elk River is $68,618 with a poverty rate of 18.8%. The median age in Elk River is 62.3 years: 63 years for males, and 59.9 years for females. For every 100 females there are 183.0 males.
Data after 2023 is projected based on recent change
The racial composition of Elk River includes 98.5% White, and smaller percentages for Two or more races and multiracial populations.
White (98.5%)
Two or more races (1.5%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 131 | 98.5% |
| Two or more races | 2 | 1.5% |
Married
Widowed
Divorced
Separated
Never Married
Elk River's average per capita income is $44,417. Household income levels show a median of $63,125. The poverty rate stands at 18.8%.
Name | Median | Mean |
|---|---|---|
| Married Families | $73,594 | - |
| Families | $73,281 | $84,930 |
| Households | $63,125 | $68,618 |
| Non Families | $53,846 | $51,853 |
Average Income
Median Household Income
Poverty Rate