Sheridan County's estimated 2026 population is 3,394 with a growth rate of -1.22% in the past year according to the most recent United States census data. Sheridan County is the 41st largest county in Montana. The 2010 population was 3,368 and has seen a growth of 0.77% since that time.
Data after 2023 is projected based on recent change
Overall: 43.1 years
Female: 43.8 years
Male: 41.9 years
There are 2,867 adults, (833 of whom are seniors) in Sheridan County.
Female: 1,749 (47.7%)
Male: 1,920 (52.3%)
The racial composition of Sheridan County includes 90.52% White, and smaller percentages for Native American, Asian, other race, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,321 | 90.52% |
| Two or more races | 230 | 6.27% |
| Native American | 71 | 1.94% |
| Asian | 24 | 0.65% |
| Other race | 18 | 0.49% |
| Native Hawaiian or Pacific Islander | 5 | 0.14% |
Sheridan County's average per capita income is $42,347. Household income levels show a median of $70,147. The poverty rate stands at 10.42%.
Name | Median | Mean |
|---|---|---|
| Married Families | $97,727 | - |
| Families | $89,917 | $120,624 |
| Households | $70,147 | $93,765 |
| Non Families | $32,250 | $49,031 |
Average Income
Median Household Income
Poverty Rate