Benton township is located in McCook County, South Dakota. Benton township has a 2026 population of 98. Benton township is currently declining at a rate of -1.01% annually but its population has increased by 3.16% since the most recent census, which recorded a population of 95 in 2020.
The median age in Benton township is 41.5 years: 41.6 years for males, and 41.4 years for females. For every 100 females there are 132.1 males.
Data after 2023 is projected based on recent change
The racial composition of Benton township includes 87.69% White, and smaller percentages for and multiracial populations.
White (87.69%)
Two or more races (12.31%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 57 | 87.69% |
| Two or more races | 8 | 12.31% |
Married
Widowed
Divorced
Separated
Never Married