Rolla is a city located in Kansas. With a 2020 population of 349, it is the 337th largest city in Kansas and the 14756th largest city in the United States. Rolla is currently declining at a rate of -1.97% annually and its population has decreased by -21.04% since the most recent census, which recorded a population of 442 in 2010. Rolla reached it's highest population of 443 in 2010. Spanning over 0 miles, Rolla has a population density of 937 people per square mile.
The average household income in Rolla is $67,517 with a poverty rate of 9.52%. The median rental costs in recent years comes to $704 per month, and the median house value is $83,000. The median age in Rolla is 33.5 years, 32.3 years for males, and 33.8 years for females. For every 100 females there are 90.6 males.