Rock Falls, Illinois
Rock Falls is a city in Whiteside County, Illinois, with an estimated population of 8,600 in 2023. It sits at 41.7721, -89.6942 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Rock Falls |
| Type | city |
| State | Illinois (IL) |
| County | Whiteside County |
| Population (2023 est.) | 8,600 |
| Land area | 3.98 sq mi (10.32 km²) |
| Coordinates | 41.7721, -89.6942 |
| Time zone | America/Chicago |
| ZIP codes | 61071 |
ZIP codes and area codes for Rock Falls
Rock Falls covers 1 ZIP code: 61071. Browse all ZIP codes in Illinois for the full list.
Where is Rock Falls?
Rock Falls is located in Illinois, in Whiteside County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Sterling 3 km · ILTampico 17 km · ILDixon 20 km · ILLyndon 20 km · ILMilledgeville 22 km · ILMorrison 23 km · ILProphetstown 23 km · ILWalnut 25 km · IL
Other places in Whiteside County
Sterling 14,508Morrison 3,981Fulton 3,567Prophetstown 1,904Erie 1,485Albany 846Tampico 676Lyndon 525
Frequently asked questions
What county is Rock Falls, IL in?
Rock Falls is in Whiteside County, Illinois.
What is the population of Rock Falls, IL?
The 2023 Census Bureau estimate is 8,600.
What time zone is Rock Falls in?
Rock Falls is in the America/Chicago time zone.