Rock Valley is a city in Sioux County, Iowa, the North Western corner of Iowa, United States, along the Rock River. The population was 4,05…Rock Valley is a city in Sioux County, Iowa, the North Western corner of Iowa, United States, along the Rock River. The population was 4,059 at the time of the 2020 census. Rock Valley is located at 43°12′6″N 96°17′47″W / 43.20167°N 96.29639°W.
Save
Share
More