Marion township is located in Daviess County, Missouri. Marion township has a 2026 population of 257. Marion township is currently declining at a rate of -0.39% annually but its population has increased by 1.18% since the most recent census, which recorded a population of 254 in 2020.
The median household income in Marion township is $73,750 with a poverty rate of 11.84%. The median age in Marion township is 52.5 years: 59.2 years for males, and 32.6 years for females. For every 100 females there are 78.4 males.