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.
Data after 2023 is projected based on recent change
Overall: 60.2 years
Female: 59.4 years
Male: 60.9 years
There are 101 adults, (37 of whom are seniors) in Blaine township.
Female: 47 (39.8%)
Male: 71 (60.2%)
The racial composition of Blaine township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 118 | 100% |