Rapid Valley is a city located in South Dakota. Rapid Valley has a 2020 population of 9,475. Rapid Valley is currently declining at a rate of 0.00% annually and its population has increased by 14.71% since the most recent census, which recorded a population of 8,260 in 2010. Rapid Valley reached it's highest population of 9,475 in 2018.
The average household income in Rapid Valley is $70,966 with a poverty rate of 7.53%. The median rental costs in recent years comes to $818 per month, and the median house value is $161,100. The median age in Rapid Valley is 35.4 years, 35.1 years for males, and 35.5 years for females. For every 100 females there are 106.1 males.