Map of Rock Falls city, Illinois

Rock Falls is a city in Whiteside County, Illinois, United States. The recorded population was 8,606 at the 2020 census, down 7.12% from 9,266 in 2010. The city is located on the Rock River, directly opposite its twin city of Sterling.

Rock Falls city overview:
Name:	Rock Falls city
LSAD Code:	25
LSAD Description:	city (suffix)
State:	Illinois
County:	Whiteside County
Total Area:	4.12 sq mi (10.68 km²)
Land Area:	3.98 sq mi (10.32 km²)
Water Area:	0.14 sq mi (0.36 km²)
Total Population:	8,789
Population Density:	2,206.63/sq mi (852.02/km²)
Area code:	815
FIPS code:	1764928
Website:	rockfalls61071.net

Online Interactive Map

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Rock Falls online map. Source: Basemap layers from Google Map, Open Street Map (OSM), Arcgisonline, Wmflabs. Boundary Data from Database of Global Administrative Areas.

Rock Falls location map. Where is Rock Falls city?

Rock Falls location on the U.S. Map. Where is Rock Falls city. — Rock Falls location on the U.S. Map.

Rock Falls location on the Illinois map. Where is Rock Falls city. — Location of Rock Falls in Illinois.

Rock Falls Road Map

Rock Falls city Satellite Map

Geography

Rock Falls is separated from its twin city, Sterling, to the North by the Rock River.

According to the 2010 census, Rock Falls has a total area of 3.795 square miles (9.83 km), of which 3.66 square miles (9.48 km) (or 96.44%) is land and 0.135 square miles (0.35 km) (or 3.56%) is water.