Butte County's estimated 2026 population is 10,937 with a growth rate of 0.21% 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 7.82% since that time.
Data after 2023 is projected based on recent change
The racial composition of Butte County includes 89.19% White, and smaller percentages for Native American, other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
White (89.19%)
Two or more races (6.94%)
Native American (2.21%)
Other race (1.15%)
Asian (0.41%)
Native Hawaiian or Pacific Islander (0.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 9,399 | 89.19% |
| Two or more races | 731 | 6.94% |
| Native American | 233 | 2.21% |
| Other race | 121 | 1.15% |
| Asian | 43 | 0.41% |
| Native Hawaiian or Pacific Islander | 11 | 0.1% |
Married
Widowed
Divorced
Separated
Never Married
Butte County's average per capita income is $41,169. Household income levels show a median of $67,692. The poverty rate stands at 7.2%.
Name | Median | Mean |
|---|---|---|
| Married Families | $104,830 | - |
| Families | $96,466 | $111,200 |
| Households | $67,692 | $87,955 |
| Non Families | $28,949 | $39,109 |
Average Income
Median Household Income
Poverty Rate