Union township is located in Ohio County, Indiana. Union township has a 2026 population of 469. Union township is currently growing at a rate of 0.21% annually and its population has increased by 1.52% since the most recent census, which recorded a population of 462 in 2020.
The median household income in Union township is $91,912 with a poverty rate of 4.12%. The median age in Union township is 41.1 years: 35.4 years for males, and 45.3 years for females. For every 100 females there are 120.8 males.