Musselshell County's estimated 2026 population is 5,712 with a growth rate of 2.33% in the past year according to the most recent United States census data. Musselshell County is the 35th largest county in Montana. The 2010 population was 4,555 and has seen a growth of 25.4% since that time.
Data after 2023 is projected based on recent change
Overall: 51.3 years
Female: 52.9 years
Male: 48.9 years
There are 4,154 adults, (1,494 of whom are seniors) in Musselshell County.
Female: 2,500 (48.5%)
Male: 2,652 (51.5%)
The racial composition of Musselshell County includes 87.25% White, 3.8% Native American, 3.69% other race, and smaller percentages for and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,495 | 87.25% |
| Two or more races | 271 | 5.26% |
| Native American | 196 | 3.8% |
| Other race | 190 | 3.69% |
Musselshell County's average per capita income is $36,329. Household income levels show a median of $58,920. The poverty rate stands at 17.03%.
Name | Median | Mean |
|---|---|---|
| Married Families | $80,725 | - |
| Families | $73,828 | $84,033 |
| Households | $58,920 | $77,399 |
| Non Families | $28,839 | $60,797 |
Average Income
Median Household Income
Poverty Rate