Blue Rapids township
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 35.826
- State:
- Kansas
Blue Rapids township is located in Marshall County, Kansas. Blue Rapids township has a 2026 population of 77. Blue Rapids township is currently declining at a rate of -1.28% annually and its population has decreased by -1.28% since the most recent census, which recorded a population of 78 in 2020.
The median household income in Blue Rapids township is $83,438 with a poverty rate of 0%. The median age in Blue Rapids township is 49.5 years: 0 years for males, and 48.5 years for females. For every 100 females there are 39.1 males.