Custer is a city located in Custer County, South Dakota. Custer has a 2025 population of 1,801 . Custer is currently declining at a rate of -1.53% annually and its population has decreased by -7.16% since the most recent census, which recorded a population of 1,940 in 2020.
The average household income in Custer is $104,942 with a poverty rate of 9.78%. The median age in Custer is 54.9 years: 53.9 years for males, and 57 years for females. For every 100 females there are 83.7 males.
Data after 2023 is projected based on recent change
The racial composition of Custer includes 89.01% White, and smaller percentages for Native American, Asian, other race and multiracial populations.
White (89.01%)
Two or more races (6.7%)
Native American (2.47%)
Asian (1.02%)
Other race (0.79%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,912 | 89.01% |
| Two or more races | 144 | 6.7% |
| Native American | 53 | 2.47% |
| Asian | 22 | 1.02% |
| Other race | 17 | 0.79% |
Married
Widowed
Divorced
Separated
Never Married
Custer's average per capita income is $50,815. Household income levels show a median of $80,188. The poverty rate stands at 9.78%.
Name | Median | Mean |
|---|---|---|
| Married Families | $92,939 | - |
| Families | $85,855 | $126,666 |
| Households | $80,188 | $104,942 |
| Non Families | $46,023 | $55,219 |
Average Income
Median Household Income
Poverty Rate