Blaine township
- County:
- Ottawa County
- County Seat:
- No
- Area (mi²):
- 36.196
- State:
- Kansas
Blaine township is located in Ottawa County, Kansas. Blaine township has a 2026 population of 106. Blaine township is currently declining at a rate of 0% annually and its population has increased by 2.91% since the most recent census, which recorded a population of 103 in 2020.
The median age in Blaine township is 60.2 years: 60.9 years for males, and 59.4 years for females. For every 100 females there are 151.1 males.