From a total population of 18,438, Rolla has a median age of 26.3. The average age of males, in Rolla, is 22.9 while the average age of females is 32.2. When you compare this to median age of Missouri, Rolla is 11.8 years younger.
The median income of individuals, in Rolla, is $17,876 while the average household income is $32,478. When comparing the median income of people living in Rolla to the rest of Missouri, the average income in Rolla is $8,130 less.