![]() | It has been suggested that this article be merged with Rolla Township, Phelps County, Missouri. (Discuss) Proposed since July 2024. |
Rolla, Missouri | |
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City of Rolla | |
Old Phelps County Courthouse | |
![]() Location of Rolla within County and State | |
Coordinates: 37°56′45″N 91°45′39″W / 37.94583°N 91.76083°W | |
Country | United States |
State | Missouri |
County | Phelps |
Founded | 1858 |
Area | |
• Total | 12.15 sq mi (31.47 km2) |
• Land | 12.13 sq mi (31.41 km2) |
• Water | 0.02 sq mi (0.05 km2) |
Elevation | 1,099 ft (335 m) |
Population (2020) | |
• Total | 19,943 |
• Estimate (2023) | 20,515 |
• Density | 1,644.24/sq mi (634.86/km2) |
Time zone | UTC-6 (Central (CST)) |
• Summer (DST) | UTC-5 (CDT) |
ZIP codes | 65401, 65402, 65409 |
Area code | 573 |
FIPS code | 29-62912[3] |
GNIS feature ID | 2396418[2] |
U.S. Routes | ![]() |
Interstates | ![]() |
State highways | ![]() |
Website | rollacity.org |
Rolla (/ˈrɒlə/) is a city in, and the county seat of, Phelps County, Missouri, United States.[4] Its population in the 2020 United States Census was 19,943.[5] It is approximately midway between St. Louis and Springfield along I-44. Its micropolitan statistical area consists of Phelps County, Missouri.
It is the home of the Missouri University of Science and Technology, well known for its many engineering departments and computer science department.
The headquarters of the Mark Twain National Forest is in Rolla. The city is also within the Ozark Highlands American Viticultural Area, with vineyards first established by Italian immigrants to the area.