What County Is Rock Falls, Illinois In?
Rock Falls is in Whiteside County, Illinois.
- Official code
- 1764928
- Representative coordinates
- 41.772066, -89.694213
- Land area
- 10.316 km²
- Water area
- 0.362 km²
- State
- Illinois
The representative point identifies this area. It is not a street address or a boundary survey.
County boundaries in Rock Falls
For a point close to the city or county boundary, check the address with the office responsible for your form. Check a point on the county map.
Coordinates of Rock Falls
41.772066, -89.694213 is the Census representative point, not a street address. Convert these coordinates or prepare a map link.
Elevation in Rock Falls
197 m · 646 ft. GNIS archived height at its named reference point (41.7723759, -89.6927125), which may differ from the Census point. Terrain height varies across the place; this is not a city-wide or surveyed elevation. Request height at a different point.
Today’s sunrise and sunset
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Approximate calculations at the representative coordinates, using a level horizon. Terrain and weather can change what you see.
Time zones in Rock Falls
The representative point uses America/Chicago.
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
A city boundary, a CDP and a mailing city can mean different things.
Find the county at your current point, check its ZIP area, or find its physical time zone.