Clark township is located in Perry County, Indiana. Clark township has a 2026 population of 1,085. Clark township is currently growing at a rate of 0.46% annually and its population has increased by 2.17% since the most recent census, which recorded a population of 1,062 in 2020.
The median household income in Clark township is $63,684 with a poverty rate of 10.23%. The median age in Clark township is 34.7 years: 29.8 years for males, and 41.5 years for females. For every 100 females there are 167.3 males.