Farmington township is located in Washington County, Kansas. Farmington township has a 2026 population of 174. Farmington township is currently growing at a rate of 0.58% annually and its population has decreased by 0% since the most recent census, which recorded a population of 174 in 2020.
The median household income in Farmington township is $29,269 with a poverty rate of 5.84%. The median age in Farmington township is 59.2 years: 84.2 years for males, and 33.8 years for females. For every 100 females there are 226.2 males.