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Sterling, Illinois Map and Directory


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Whiteside County, Illinois locator map According to the United States Census Bureau, Sterling is a City that is located in Whiteside County, Illinois at 41.79 degrees North and 89.70 degrees West.  The city's time zone is America/Chicago, and the city's primary telephone area code is 815.  The land area of Sterling is about 5.84 square miles, whereas the water area of the city is about 0.23 square miles.  Whiteside County's land area is about 684 square miles, so the city occupies about 0.9 percent of the county's total land area.

The Census Bureau estimates that Sterling had about 14,766 residents in 2017, which is approximately 2,528 people per square mile of land area. 

According to recent American Community Survey data, Sterling had 5,902 total estimated households and the median household income was about $41,413 per year. 

The Illinois counties map at upper right shows Whiteside County, highlighted in red.  Use the menu below to display interactive maps of Sterling, either in a frame on this page or in full-screen mode. 

Sterling, Illinois Maps

Use the menu below to display categorized Sterling directories. 

Sterling Directory Page: Building Materials

Nearby Illinois Cities and Towns *

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  • Rockford (13) - Rockford, Illinois demographics and directory.
* Parenthesized numbers indicate economic activity levels.

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