Mertilla township is located in Meade County, Kansas. Mertilla township has a 2026 population of 161. Mertilla township is currently declining at a rate of -0.62% annually and its population has decreased by -5.85% since the most recent census, which recorded a population of 171 in 2020.
The median household income in Mertilla township is $104,286 with a poverty rate of 0%. The median age in Mertilla township is 33.4 years: 24.9 years for males, and 38.8 years for females. For every 100 females there are 122.4 males.