Knight Prairie township is located in Hamilton County, Illinois. Knight Prairie township has a 2026 population of 522. Knight Prairie township is currently declining at a rate of -0.95% annually and its population has decreased by -2.06% since the most recent census, which recorded a population of 533 in 2020.
The median household income in Knight Prairie township is $94,500 with a poverty rate of 3.4%. The median age in Knight Prairie township is 52.4 years: 49.9 years for males, and 55.9 years for females. For every 100 females there are 105.4 males.