Blue Rapids is a city located in Marshall County Kansas. With a 2020 population of 957, it is the 199th largest city in Kansas and the 10495th largest city in the United States . Blue Rapids is currently declining at a rate of -0.21% annually and its population has decreased by -6.08% since the most recent census, which recorded a population of 1,019 in 2010. Blue Rapids reached it's highest population of 1,018 in 2010. Spanning over 2 miles, Blue Rapids has a population density of 482 people per square mile.
The average household income in Blue Rapids is $58,808 with a poverty rate of 14.30%. The median rental costs in recent years comes to $599 per month, and the median house value is $80,900. The median age in Blue Rapids is 36.2 years, 37.2 years for males, and 34.1 years for females.