Deer Lodge County's 2026 population is estimated at 10,063, reflecting a 1.27% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Deer Lodge County is the 23rd largest county in Montana. The 2010 population was 9,291 and has grown 8.31% since 2010.
Data after 2023 is projected based on recent change
Overall: 49.9 years
Female: 51.7 years
Male: 48.6 years
There are 8,442 adults, (2,528 of whom are seniors) in Deer Lodge County.
Female: 4,483 (46.7%)
Male: 5,114 (53.3%)
The racial composition of Deer Lodge County includes 89.81% White, and smaller percentages for Native American, other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 8,619 | 89.81% |
| Two or more races | 647 | 6.74% |
| Native American | 198 | 2.06% |
| Other race | 68 | 0.71% |
| Black or African American | 34 | 0.35% |
| Asian | 23 | 0.24% |
| Native Hawaiian or Pacific Islander | 8 | 0.08% |
Deer Lodge County 's average per capita income is $43,327. Household income levels show a median of $57,527. The poverty rate stands at 16.29%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $94,271 | - |
| Families | $81,540 | $97,031 |
| Households | $57,527 | $72,037 |
| Non Families | $37,321 | $44,334 |
Average Income
Median Household Income
Poverty Rate
