
Blue Rapids
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 1.985
- State:
- Kansas
Blue Rapids is a city located in Marshall County, Kansas. Blue Rapids has a 2025 population of 921. Blue Rapids is currently declining at a rate of -0.11% annually and its population has decreased by -0.75% since the most recent census, which recorded a population of 928 in 2020.
The average household income in Blue Rapids is $81,233 with a poverty rate of 8.59%. The median age in Blue Rapids is 46.4 years: 49.3 years for males, and 40.3 years for females.