Phillips County's 2026 population is estimated at 4,146, reflecting a -0.81% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Phillips County is the 38th largest county in Montana. The 2010 population was 4,252 and has grown -2.49% since 2010.
Data after 2023 is projected based on recent change
Overall: 45.6 years
Female: 46.5 years
Male: 45 years
There are 3,234 adults, (1,013 of whom are seniors) in Phillips County.
Female: 2,005 (47.5%)
Male: 2,216 (52.5%)
The racial composition of Phillips County includes 81.14% White, 7.49% Native American, and smaller percentages for Black or African American, Asian, other race, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 3,425 | 81.14% |
| Two or more races | 369 | 8.74% |
| Native American | 316 | 7.49% |
| Black or African American | 34 | 0.81% |
| Asian | 34 | 0.81% |
| Other race | 30 | 0.71% |
| Native Hawaiian or Pacific Islander | 13 | 0.31% |
Phillips County 's average per capita income is $45,423. Household income levels show a median of $53,417. The poverty rate stands at 10.52%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $78,409 | - |
| Families | $70,119 | $91,507 |
| Households | $53,417 | $74,167 |
| Non Families | $31,050 | $43,005 |
Average Income
Median Household Income
Poverty Rate
