Rock Falls, Iowa

Rock Falls, Iowa
Location of Rock Falls, Iowa
Location of Rock Falls, Iowa
Coordinates: 43°12′22″N 93°5′10″W / 43.20611°N 93.08611°W / 43.20611; -93.08611
Country United States
State Iowa
CountyCerro Gordo
IncorporatedJuly 17, 1882[1]
Area
 • Total0.21 sq mi (0.54 km2)
 • Land0.21 sq mi (0.54 km2)
 • Water0.00 sq mi (0.00 km2)
Elevation
1,102 ft (336 m)
Population
 (2020)
 • Total150
 • Density724.64/sq mi (279.85/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP code
50467
Area code641
FIPS code19-68025
GNIS feature ID0460739

Rock Falls is a city in Cerro Gordo County, Iowa, United States, along the Shell Rock River. The population was 150 at the time of the 2020 census.[3] It is part of the Mason City Micropolitan Statistical Area. A post office named Shell Rock Falls opened in 1855; in 1872 this was changed to Rock Falls.[4]

  1. ^ "List of Incorporated Cities" (PDF). Iowa Secretary of State Paul D. Pate. November 2, 2022. Retrieved November 5, 2024.
  2. ^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved March 16, 2022.
  3. ^ "2020 Census State Redistricting Data". census.gov. United states Census Bureau. Retrieved August 12, 2021.
  4. ^ "US Post Offices". Blevins, Cameron; Helbock, Richard W. 2021. Retrieved October 31, 2024.