Knife River is located in Mountrail County, North Dakota. Knife River has a 2025 population of 51 . Knife River is currently declining at a rate of 0% annually and its population has decreased by -1.92% since the most recent census, which recorded a population of 52 in 2020.
The average household income in Knife River is $102,954 with a poverty rate of 0%. The median age in Knife River is 55.3 years: 55.4 years for males, and 0 years for females. For every 100 females there are 476.2 males.
Data after 2023 is projected based on recent change
The racial composition of Knife River includes 91.74% White, 8.26% Native American, and smaller percentages for and multiracial populations.
White (91.74%)
Native American (8.26%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 111 | 91.74% |
| Native American | 10 | 8.26% |
Married
Widowed
Divorced
Separated
Never Married
Knife River's average per capita income is $71,333. Household income levels show a median of $103,438. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Households | $103,438 | $102,954 |
| Families | - | - |
| Married Families | - | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate