Union township is located in Rush County, Kansas. Union township has a 2026 population of 41. Union township is currently declining at a rate of 0% annually and its population has decreased by -4.65% since the most recent census, which recorded a population of 43 in 2020.
The median age in Union township is 39.7 years: 58.3 years for males, and 38.2 years for females. For every 100 females there are 136.0 males.
Data after 2023 is projected based on recent change
Overall: 39.7 years
Female: 38.2 years
Male: 58.3 years
There are 43 adults, (12 of whom are seniors) in Union township.
Female: 25 (42.4%)
Male: 34 (57.6%)
The racial composition of Union township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 59 | 100% |