Millbrook township
- County:
- Graham County
- County Seat:
- No
- Area (mi²):
- 61.551
- State:
- Kansas
Millbrook township is located in Graham County, Kansas. Millbrook township has a 2026 population of 110. Millbrook township is currently declining at a rate of 0% annually and its population has decreased by -2.65% since the most recent census, which recorded a population of 113 in 2020.
The median household income in Millbrook township is $61,397 with a poverty rate of 14.71%. The median age in Millbrook township is 62.8 years: 58.9 years for males, and 64 years for females. For every 100 females there are 88.9 males.