Marlboro township is located in Delaware County, Ohio. Marlboro township has a 2026 population of 330. Marlboro township is currently growing at a rate of 1.85% annually and its population has increased by 11.49% since the most recent census, which recorded a population of 296 in 2020.
The median household income in Marlboro township is $165,189 with a poverty rate of 13.35%. The median age in Marlboro township is 49.8 years: 49.6 years for males, and 49.9 years for females. For every 100 females there are 76.0 males.