Flathead County's estimated 2026 population is 116,491 with a growth rate of 0.92% in the past year according to the most recent United States census data. Flathead County is the 4th largest county in Montana. The 2010 population was 90,863 and has seen a growth of 28.21% since that time.
Data after 2023 is projected based on recent change
Overall: 42.2 years
Female: 43 years
Male: 41.5 years
There are 86,747 adults, (23,352 of whom are seniors) in Flathead County.
Female: 55,203 (49.9%)
Male: 55,492 (50.1%)
The racial composition of Flathead County includes 91.09% White, and smaller percentages for other race, Native American, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 100,831 | 91.09% |
| Two or more races | 6,705 | 6.06% |
| Other race | 1,012 | 0.91% |
| Native American | 976 | 0.88% |
| Asian | 931 | 0.84% |
| Black or African American | 236 | 0.21% |
| Native Hawaiian or Pacific Islander | 4 | 0% |
Flathead County's average per capita income is $46,146. Household income levels show a median of $73,925. The poverty rate stands at 9.32%.
Name | Median | Mean |
|---|---|---|
| Married Families | $103,730 | $131,756 |
| Families | $93,578 | $120,679 |
| Households | $73,925 | $99,728 |
| Non Families | $39,901 | $58,664 |
Average Income
Median Household Income
Poverty Rate
