Fall River County's estimated 2026 population is 7,339 with a growth rate of -0.14% in the past year according to the most recent United States census data. Fall River County is the 25th largest county in South Dakota. The 2010 population was 7,115 and has seen a growth of 3.15% since that time.
Data after 2023 is projected based on recent change
The racial composition of Fall River County includes 85.03% White, 7.44% Native American, and smaller percentages for Native Hawaiian or Pacific Islander, other race, Asian, Black or African American and multiracial populations.
White (85.03%)
Native American (7.44%)
Two or more races (5.25%)
Native Hawaiian or Pacific Islander (0.78%)
Other race (0.75%)
Asian (0.57%)
Black or African American (0.18%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 6,104 | 85.03% |
| Native American | 534 | 7.44% |
| Two or more races | 377 | 5.25% |
| Native Hawaiian or Pacific Islander | 56 | 0.78% |
| Other race | 54 | 0.75% |
| Asian | 41 | 0.57% |
| Black or African American | 13 | 0.18% |
Married
Widowed
Divorced
Separated
Never Married
Fall River County's average per capita income is $41,008. Household income levels show a median of $61,056. The poverty rate stands at 19.7%.
Name | Median | Mean |
|---|---|---|
| Married Families | $89,671 | - |
| Families | $76,887 | $84,842 |
| Households | $61,056 | $74,869 |
| Non Families | $37,333 | $59,087 |
Average Income
Median Household Income
Poverty Rate