Rolla Flag

Rolla

County:
Phelps County
County Seat:
Yes
Area (mi²):
12.129
State:
Missouri

Rolla is a city located in Phelps County, Missouri. Rolla has a 2025 population of 20,844 . It is also the county seat of Phelps County . Rolla is currently growing at a rate of 0.89% annually and its population has increased by 4.63% since the most recent census, which recorded a population of 19,921 in 2020.

The average household income in Rolla is $57,463 with a poverty rate of 23.8%. The median age in Rolla is 27.4 years: 24.7 years for males, and 30.9 years for females. For every 100 females there are 119.5 males.

20.8K
Total Population
1,719
Density (mi²)
184 0.89%
Growth

Rolla Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)