Union township is located in Carroll County, Ohio. Union township has a 2026 population of 880. Union township is currently declining at a rate of -1.01% annually and its population has decreased by -1.23% since the most recent census, which recorded a population of 891 in 2020.
The median household income in Union township is $44,702 with a poverty rate of 25.82%. The median age in Union township is 63.8 years: 62.6 years for males, and 64.6 years for females. For every 100 females there are 111.8 males.