Also See: Rolla, MO ZIP Codes & ZIP Code Maps
The City of Rolla had a population of 20,135 as of July 1, 2021. Rolla ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Missouri. See peer rankings below.
The primary coordinate point for Rolla is located at latitude 37.9514 and longitude -91.7713 in Phelps County. The formal boundaries for the City of Rolla encompass a land area of 12.03 sq. miles and a water area of 0.02 sq. miles. Phelps County is in the Central time zone (GMT -6). The elevation is 1,119 feet.
The City of Rolla has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
Alternate Unofficial Names for Rolla: Weber.
|Total Population||20,135 (100%)|
|Population in Households||17,751 (88.2%)|
|Population in Families||11,337 (56.3%)|
|Population in Group Quarters1||2,384 (11.8%)|
|Median Household Income||$38,486|
|Average Household Income||$55,782|
|% of Income for Mortgage4||15%|
|Per Capita Income||$22,368|
|Total HU (Housing Units)||9,015 (100%)|
|Owner Occupied HU||3,204 (35.5%)|
|Renter Occupied HU||4,755 (52.7%)|
|Vacant Housing Units||1,056 (11.7%)|
|Median Home Value||$135,235|
|Average Home Value||$164,103|
|Housing Affordability Index3||170|
|Average Household Size||2.23|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||1.3%|
|Per Capita Income||1.73%|
|Owner Occupied HU||0.64%|
The table below compares Rolla to the other 1,032 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2021 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
|Total Population||# 39||96th|
|Population Density||# 136||87th|
|Median Household Income||# 860||17th|
|Housing Affordability Index||# 341||33rd|
|Per Capita Income||# 743||28th|
|Diversity Index||# 150||86th|
Additional comparisons and rankings can be made with a VERY EASY TO USE Missouri Census Data Comparison Tool.