Jefferson township is located in Harrison County, Missouri. Jefferson township has a 2026 population of 328. Jefferson township is currently declining at a rate of -0.3% annually and its population has decreased by 0% since the most recent census, which recorded a population of 328 in 2020.
The median household income in Jefferson township is $84,063 with a poverty rate of 8.7%. The median age in Jefferson township is 63.1 years: 58.5 years for males, and 64.2 years for females. For every 100 females there are 109.1 males.