Butte County's estimated 2026 population is 10,827 with a growth rate of -0.27% in the past year according to the most recent United States census data. Butte County is the 17th largest county in South Dakota. The 2010 population was 10,144 and has seen a growth of 6.73% since that time.
Data after 2023 is projected based on recent change
Overall: 40.2 years
Female: 42.3 years
Male: 39 years
There are 8,029 adults, (2,149 of whom are seniors) in Butte County.
Female: 5,316 (49.8%)
Male: 5,360 (50.2%)
The racial composition of Butte County includes 88.95% White, and smaller percentages for Native American, other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 9,496 | 88.95% |
| Two or more races | 847 | 7.93% |
| Native American | 167 | 1.56% |
| Other race | 100 | 0.94% |
| Asian | 50 | 0.47% |
| Native Hawaiian or Pacific Islander | 16 | 0.15% |
Butte County's average per capita income is $44,869. Household income levels show a median of $75,652. The poverty rate stands at 8.63%.
Name | Median | Mean |
|---|---|---|
| Married Families | $109,606 | - |
| Families | $99,450 | $117,235 |
| Households | $75,652 | $96,122 |
| Non Families | $28,040 | $43,099 |
Average Income
Median Household Income
Poverty Rate