Martin is a city located in Bennett County, South Dakota. Martin has a 2026 population of 915. It is also the county seat of Bennett County. Martin is currently declining at a rate of -0.44% annually and its population has decreased by -2.56% since the most recent census, which recorded a population of 939 in 2020.
The median household income in Martin is $54,063 with a poverty rate of 17.46%. The median age in Martin is 34.3 years: 33.5 years for males, and 34.6 years for females. For every 100 females there are 59.7 males.
Data after 2023 is projected based on recent change
Overall: 34.3 years
Female: 34.6 years
Male: 33.5 years
There are 627 adults, (147 of whom are seniors) in Martin.
Female: 593 (62.6%)
Male: 354 (37.4%)
The racial composition of Martin includes 48.36% White, 42.98% Native American, 5.17% Asian, and smaller percentages for other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 458 | 48.36% |
| Native American | 407 | 42.98% |
| Asian | 49 | 5.17% |
| Two or more races | 31 | 3.27% |
| Other race | 2 | 0.21% |
Martin 's average per capita income is $51,250. Household income levels show a median of $54,063. The poverty rate stands at 17.46%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $105,250 | - |
| Families | $70,156 | $76,111 |
| Households | $54,063 | $66,854 |
| Non Families | - | $37,260 |
Average Income
Median Household Income
Poverty Rate