Wentworth township is located in Lake County, South Dakota. Wentworth township has a 2026 population of 513. Wentworth township is currently declining at a rate of 0% annually and its population has increased by 2.4% since the most recent census, which recorded a population of 501 in 2020.
The median household income in Wentworth township is $107,212 with a poverty rate of 2.72%. The median age in Wentworth township is 56.6 years: 56.8 years for males, and 55.8 years for females. For every 100 females there are 113.4 males.
Data after 2023 is projected based on recent change
Overall: 56.6 years
Female: 55.8 years
Male: 56.8 years
There are 475 adults, (161 of whom are seniors) in Wentworth township.
Female: 276 (46.9%)
Male: 313 (53.1%)
The racial composition of Wentworth township includes 83.02% White, 10.7% Native American, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 489 | 83.02% |
| Native American | 63 | 10.7% |
| Two or more races | 37 | 6.28% |
Wentworth township 's average per capita income is $50,625. Household income levels show a median of $107,212. The poverty rate stands at 2.72%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $113,333 | - |
| Families | $108,636 | $306,552 |
| Households | $107,212 | $260,404 |
| Non Families | $45,208 | $58,834 |
Average Income
Median Household Income
Poverty Rate