Union township is located in Stafford County, Kansas. Union township has a 2026 population of 18. Union township is currently declining at a rate of 0% annually and its population has decreased by -5.26% since the most recent census, which recorded a population of 19 in 2020.
The median household income in Union township is $28,750 with a poverty rate of 10.53%. The median age in Union township is 80.1 years: 80.1 years for males, and 70.5 years for females. For every 100 females there are 171.4 males.