Hill County's estimated 2026 population is 16,219 with a growth rate of 0.32% 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 0.42% since that time.
Data after 2023 is projected based on recent change
Overall: 34.5 years
Female: 35.2 years
Male: 33.7 years
There are 11,592 adults, (2,632 of whom are seniors) in Hill County.
Female: 7,874 (48.7%)
Male: 8,281 (51.3%)
The racial composition of Hill County includes 67.9% White, 22.75% 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 | 10,970 | 67.9% |
| Native American | 3,675 | 22.75% |
| Two or more races | 1,238 | 7.66% |
| Other race | 197 | 1.22% |
| Black or African American | 41 | 0.25% |
| Asian | 27 | 0.17% |
| Native Hawaiian or Pacific Islander | 7 | 0.04% |
Hill County's average per capita income is $41,113. Household income levels show a median of $52,798. The poverty rate stands at 20.7%.
Name | Median | Mean |
|---|---|---|
| Married Families | $89,406 | - |
| Families | $77,538 | $93,324 |
| Households | $52,798 | $75,118 |
| Non Families | $36,845 | $44,485 |
Average Income
Median Household Income
Poverty Rate