Union township
- County:
- Rawlins County
- County Seat:
- No
- Area (mi²):
- 43.04
- State:
- Kansas
Union township is located in Rawlins County, Kansas. Union township has a 2026 population of 33. Union township is currently declining at a rate of -2.94% annually and its population has decreased by -5.71% since the most recent census, which recorded a population of 35 in 2020.
The median age in Union township is 42.3 years: 44.1 years for males, and 42.3 years for females. For every 100 females there are 67.2 males.