Cornwall township is located in Spink County, South Dakota. Cornwall township has a 2026 population of 38. Cornwall township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 38 in 2020.
The median household income in Cornwall township is $155,469 with a poverty rate of 0%. The median age in Cornwall township is 45.3 years: 50.1 years for males, and 45.1 years for females. For every 100 females there are 84.4 males.
Data after 2023 is projected based on recent change
Overall: 45.3 years
Female: 45.1 years
Male: 50.1 years
There are 56 adults, (20 of whom are seniors) in Cornwall township.
Female: 45 (54.2%)
Male: 38 (45.8%)
The racial composition of Cornwall township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 83 | 100% |
Cornwall township 's average per capita income is $93,611. Household income levels show a median of $155,469. The poverty rate stands at 0%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $156,875 | - |
| Households | $155,469 | $163,956 |
| Families | $155,469 | $163,956 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate