Revillo is a city located in South Dakota. With a 2020 population of 106, it is the 232nd largest city in South Dakota and the 18231st largest city in the United States. Revillo is currently declining at a rate of -0.93% annually and its population has decreased by -10.92% since the most recent census, which recorded a population of 119 in 2010. Revillo reached it's highest population of 115 in 2010. Spanning over 0 miles, Revillo has a population density of 634 people per square mile.
The average household income in Revillo is $56,605 with a poverty rate of 20.21%. The median rental costs in recent years comes to $456 per month, and the median house value is $55,000. The median age in Revillo is 46.3 years, 40.5 years for males, and 53.8 years for females. For every 100 females there are 141.0 males.