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 2026 population of 21,029. 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 5.56% since the most recent census, which recorded a population of 19,921 in 2020.

The median household income in Rolla is $46,204 with a poverty rate of 23.55%. The median age in Rolla is 28.2 years: 25.6 years for males, and 32.3 years for females. For every 100 females there are 123.2 males.

21K
Total Population
1,734
Density (mi²)
185 0.89%
Growth

Rolla Population

Rolla Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202621,0291850.89%
202520,8441840.89%
202420,6601540.75%
202320,5061980.97%
202220,3082131.06%
202120,0951660.83%
202019,921-514-2.52%
201920,4351460.72%
201820,289710.35%
201720,2181670.83%
201620,0511260.63%
201519,925290.15%
201419,896650.33%
201319,831-30-0.15%
201219,8611480.75%
201119,713810.41%
201019,632730.37%
200016,3672,27716.16%
199014,0907875.92%
198013,303-268-1.97%
197013,5712,43921.91%
196011,1321,77819.01%
19509,3544,21381.95%
19405,1411,47140.08%
19303,67000%

Median Age

Overall: 28.2 years
Female: 32.3 years
Male: 25.6 years

Rolla Adults

There are 16,543 adults, (2,865 of whom are seniors) in Rolla.

Sex Ratio

Female: 9,089 (44.8%)
Male: 11,198 (55.2%)

Demographics

The racial composition of Rolla includes 81.17% White, 7.3% Asian, 4.85% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White16,46681.17%
Asian1,4807.3%
Two or more races1,0575.21%
Black or African American9844.85%
Other race2201.08%
Native American650.32%
Native Hawaiian or Pacific Islander150.07%
Race
Population ↓
Percentage (of total)
White4632.28%
Two or more races3691.82%
Other race830.41%
Native American150.07%
Asian60.03%
Race
Population ↓
Percentage (of total)
White16,00378.88%
Asian1,4747.27%
Black or African American9844.85%
Two or more races6883.39%
Other race1370.68%
Native American500.25%
Native Hawaiian or Pacific Islander150.07%

Rolla Marital Status

Economics and Income Statistics

Rolla 's average per capita income is $35,715. Household income levels show a median of $46,204. The poverty rate stands at 23.55%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$90,873-
Families$64,509$82,909
Households$46,204$61,844
Non Families$27,907$40,226

$35,715

Average Income

$46,204

Median Household Income

23.55%

Poverty Rate

Nearby Cities

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)