Union township is located in Moody County, South Dakota. Union township has a 2026 population of 90. Union township is currently growing at a rate of 3.45% annually and its population has increased by 12.5% since the most recent census, which recorded a population of 80 in 2020.
The median age in Union township is 25.2 years: 25.5 years for males, and 0 years for females. For every 100 females there are 105.3 males.
Data after 2023 is projected based on recent change
Overall: 25.2 years
Female: 0 years
Male: 25.5 years
There are 177 adults, (0 of whom are seniors) in Union township.
Female: 94 (48.7%)
Male: 99 (51.3%)
The racial composition of Union township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 193 | 100% |