Union township is located in Sanborn County, South Dakota. Union township has a 2026 population of 55. Union township is currently declining at a rate of -1.79% annually and its population has decreased by 0% since the most recent census, which recorded a population of 55 in 2020.
The median household income in Union township is $117,083 with a poverty rate of 4.49%. The median age in Union township is 26.3 years: 23.8 years for males, and 26.5 years for females. For every 100 females there are 97.8 males.
Data after 2023 is projected based on recent change
Overall: 26.3 years
Female: 26.5 years
Male: 23.8 years
There are 74 adults, (2 of whom are seniors) in Union township.
Female: 45 (50.6%)
Male: 44 (49.4%)
The racial composition of Union township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 89 | 100% |
Union township 's average per capita income is $49,375. Household income levels show a median of $117,083. The poverty rate stands at 4.49%.
| Name | Median ↓ | Mean |
|---|---|---|
| Families | $144,688 | $150,871 |
| Married Families | $144,688 | - |
| Households | $117,083 | $114,504 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate