Park County's 2026 population is estimated at 18,346, reflecting a 0.75% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Park County is the 11th largest county in Montana. The 2010 population was 15,595 and has grown 17.64% since 2010.
Data after 2023 is projected based on recent change
Overall: 46 years
Female: 46 years
Male: 46.1 years
There are 14,720 adults, (4,360 of whom are seniors) in Park County.
Female: 8,860 (50%)
Male: 8,850 (50%)
The racial composition of Park County includes 91.24% White, and smaller percentages for other race, Native American, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 16,159 | 91.24% |
| Two or more races | 1,145 | 6.47% |
| Other race | 211 | 1.19% |
| Native American | 124 | 0.7% |
| Black or African American | 36 | 0.2% |
| Asian | 35 | 0.2% |
Park County 's average per capita income is $48,029. Household income levels show a median of $70,047. The poverty rate stands at 12.34%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $104,839 | - |
| Families | $89,698 | $113,223 |
| Households | $70,047 | $95,941 |
| Non Families | $49,394 | $71,566 |
Average Income
Median Household Income
Poverty Rate