Hill County's estimated 2025 population is 15,949 with a growth rate of -0.72% in the past year according to the most recent United States census data. Hill County is the 12th largest county in Montana. The 2010 population was 16,151 and has seen a growth of -1.25% since that time.
Data after 2023 is projected based on recent change
The racial composition of Hill County includes 68.81% White, 23.64% Native American, and smaller percentages for other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
White (68.81%)
Native American (23.64%)
Two or more races (5.62%)
Other race (1.4%)
Black or African American (0.29%)
Asian (0.2%)
Native Hawaiian or Pacific Islander (0.04%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 11,189 | 68.81% |
| Native American | 3,844 | 23.64% |
| Two or more races | 914 | 5.62% |
| Other race | 227 | 1.4% |
| Black or African American | 47 | 0.29% |
| Asian | 33 | 0.2% |
| Native Hawaiian or Pacific Islander | 6 | 0.04% |
Married
Widowed
Divorced
Separated
Never Married
Hill County's average per capita income is $40,420. Household income levels show a median of $55,313. The poverty rate stands at 19.66%.
Name | Median | Mean |
|---|---|---|
| Married Families | $90,176 | - |
| Families | $76,083 | $90,097 |
| Households | $55,313 | $74,611 |
| Non Families | $36,204 | $45,130 |
Average Income
Median Household Income
Poverty Rate
