Brantford township is located in Washington County, Kansas. Brantford township has a 2026 population of 74. Brantford township is currently declining at a rate of 0% annually and its population has increased by 1.37% since the most recent census, which recorded a population of 73 in 2020.
The median household income in Brantford township is $110,313 with a poverty rate of 15.79%. The median age in Brantford township is 42.8 years: 42.9 years for males, and 38.9 years for females. For every 100 females there are 55.1 males.