Blaine County's estimated 2025 population is 6,753 with a growth rate of -1.07% in the past year according to the most recent United States census data. Blaine County is the 31st largest county in Montana. The 2010 population was 6,503 and has seen a growth of 3.84% since that time.
Data after 2023 is projected based on recent change
The racial composition of Blaine County includes 50.15% Native American, 44.33% White, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.
Native American
White
Two or more races
Black or African American
Asian
Native Hawaiian or Pacific Islander
Other race
Race | Population | Percentage (of total) |
|---|---|---|
| Native American | 3,509 | 50.15% |
| White | 3,102 | 44.33% |
| Two or more races | 355 | 5.07% |
| Black or African American | 31 | 0.44% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
| Other race | 0 | 0% |
Married
Widowed
Divorced
Separated
Never Married
Blaine County's average per capita income is $43,697. Household income levels show a median of $65,050. The poverty rate stands at 20.24%.
Name | Median | Mean |
|---|---|---|
| Married Families | $84,970 | - |
| Families | $79,676 | $95,118 |
| Households | $65,050 | $78,155 |
| Non Families | $22,052 | $36,673 |
Average Income
Median Household Income
Poverty Rate
