Marion is located in Turner County, South Dakota. Marion has a 2025 population of 190 . Marion is currently growing at a rate of 1.06% annually and its population has increased by 6.15% since the most recent census, which recorded a population of 179 in 2020.
The average household income in Marion is $88,110 with a poverty rate of 16.67%. The median age in Marion is 53.2 years: 43.9 years for males, and 54.5 years for females. For every 100 females there are 250.0 males.
Data after 2023 is projected based on recent change
The racial composition of Marion includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 84 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Marion's average per capita income is $40,268. Household income levels show a median of $0. The poverty rate stands at 16.67%.
Name | Median | Mean |
|---|---|---|
| Households | - | $88,110 |
| Families | - | $105,519 |
| Married Families | - | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate