Sheridan County's estimated 2025 population is 3,384 with a growth rate of -1.66% 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 0.48% since that time.
Data after 2023 is projected based on recent change
The racial composition of Sheridan County includes 92.19% White, and smaller percentages for Native American, other race, Asian, Native Hawaiian or Pacific Islander, Black or African American and multiracial populations.
White
Two or more races
Native American
Other race
Asian
Native Hawaiian or Pacific Islander
Black or African American
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,390 | 92.19% |
| Two or more races | 178 | 4.84% |
| Native American | 61 | 1.66% |
| Other race | 20 | 0.54% |
| Asian | 16 | 0.44% |
| Native Hawaiian or Pacific Islander | 12 | 0.33% |
| Black or African American | 0 | 0% |
Married
Widowed
Divorced
Separated
Never Married
Sheridan County's average per capita income is $42,337. Household income levels show a median of $63,654. The poverty rate stands at 10.01%.
Name | Median | Mean |
|---|---|---|
| Married Families | $97,870 | - |
| Families | $91,154 | $124,576 |
| Households | $63,654 | $94,455 |
| Non Families | $35,054 | $51,183 |
Average Income
Median Household Income
Poverty Rate