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.
Data after 2023 is projected based on recent change
The racial composition of Rolla includes 83.15% White, 6.09% Asian, 3.52% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (83.15%)
Asian (6.09%)
Two or more races (6.03%)
Black or African American (3.52%)
Other race (1%)
Native American (0.16%)
Native Hawaiian or Pacific Islander (0.05%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 16,749 | 83.15% |
| Asian | 1,227 | 6.09% |
| Two or more races | 1,214 | 6.03% |
| Black or African American | 709 | 3.52% |
| Other race | 202 | 1% |
| Native American | 33 | 0.16% |
| Native Hawaiian or Pacific Islander | 10 | 0.05% |
Married
Widowed
Divorced
Separated
Never Married
Rolla's average per capita income is $37,627. Household income levels show a median of $42,518. The poverty rate stands at 23.8%.
Name | Median | Mean |
|---|---|---|
| Married Families | $86,719 | - |
| Families | $63,668 | $78,470 |
| Households | $42,518 | $57,463 |
| Non Families | $26,176 | $37,828 |
Average Income
Median Household Income
Poverty Rate