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 20,754. It is also the county seat of Phelps County. Rolla is currently growing at a rate of 0.81% annually and its population has increased by 4.16% since the most recent census, which recorded a population of 19,926 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.

Demographics

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.

Population by Race

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%

Rolla Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

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	$86,719	-
Families	$63,668	$78,470
Households	$42,518	$57,463
Non Families	$26,176	$37,828

$37,627

Average Income

$42,518

Median Household Income

23.8%

Poverty Rate