Glacier County's 2026 population is estimated at 13,355, reflecting a -0.55% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Glacier County is the 15th largest county in Montana. The 2010 population was 13,421 and has grown -0.49% since 2010.
Data after 2023 is projected based on recent change
Overall: 33.4 years
Female: 34 years
Male: 32.8 years
There are 9,503 adults, (1,802 of whom are seniors) in Glacier County.
Female: 6,944 (50.9%)
Male: 6,693 (49.1%)
The racial composition of Glacier County includes 64.62% Native American, 30.18% White, and smaller percentages for Asian, other race, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Native American | 8,812 | 64.62% |
| White | 4,115 | 30.18% |
| Two or more races | 486 | 3.56% |
| Asian | 81 | 0.59% |
| Other race | 77 | 0.56% |
| Black or African American | 34 | 0.25% |
| Native Hawaiian or Pacific Islander | 32 | 0.23% |
Glacier County 's average per capita income is $39,461. Household income levels show a median of $46,875. The poverty rate stands at 31.14%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $88,611 | - |
| Families | $58,511 | $75,165 |
| Households | $46,875 | $67,150 |
| Non Families | $24,653 | $44,690 |
Average Income
Median Household Income
Poverty Rate
