Shell Rock, Iowa

Shell Rock, Iowa
Downtown Shell Rock
Location of Shell Rock, Iowa
Coordinates: 42°42′45″N 92°34′54″W / 42.71250°N 92.58167°W / 42.71250; -92.58167
CountryUSA
StateIowa
CountyButler
IncorporatedJune 1, 1875
Area
  Total
1.70 sq mi (4.40 km2)
  Land1.60 sq mi (4.15 km2)
  Water0.10 sq mi (0.25 km2)
Elevation
909 ft (277 m)
Population
 (2020)
  Total
1,268
  Density791.51/sq mi (305.68/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
ZIP code
50670
Area code319
FIPS code19-72435
GNIS feature ID2395870

Shell Rock is a city in Butler County, Iowa, United States, along the Shell Rock River. The population was 1,268 at the time of the 2020 census. The city is located along the county's eastern border, between Butler and Bremer counties. A post office opened in Shell Rock in 1855.