Rolla is located in Missouri. Rolla, Missouri has a population of 19,735. Rolla is less family-centric than the surrounding county with 25% households with children. The county percentage for households with children is 26%.
The median household income in Rolla, Missouri is $40,490. The median household income for the surrounding county is $45,955 compared to the national median of $66,222. The median age of people living in Rolla is 31.8 years.
The average high temperature in July is 89 degrees, with an average low temperature in January of 19.7 degrees. The annual precipitation is 44.49.