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The City of Sterling is located in Whiteside County in the state of Illinois (IL).

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Sterling is a city in Whiteside County, Illinois, United States. The population was 15,370 at the 2010 census, down from 15,451 at the 2000 census. Formerly nicknamed "The Hardware Capital of the World", Sterling has long been associated with manufacturing and the steel industry.

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County Level News: Whiteside County News
State Level News: State of Illinois News
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Sterling, IL Map (Interactive)

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Sterling Latitude: 41.8448 Longitude: -89.7366

We also provide additional resources for the rest of Whiteside County and the State of Illinois.

The Zip Code for Sterling, IL is: 61081

The City of Sterling

Facts & Data:

Sterling Illinois Physical Characteristics:

The City of Sterling has an area of 5.9 square miles
  • Land: 5.7090799227799 Sq. Mi. (96.08%)
  • Water: 0.23277065637066 Sq. Mi.(3.92%)
The Sterling City takes up 0.9% of the area of Whiteside County.

Map Location Coordinates:

  • Latitude: +41.7996681
  • Longitude: -089.6951504
Sterling Land Water Pie Chart

Sterling, IL Climate Information:

  • Average Rainfall: 37.69 inches
  • Average Snowfall: 25.9 inches
*Based on annual average for Weather Station USC00117370 ROCK FALLS 3 NE
Latitude: 41.7981 Longitude: -89.6414 Elevation: 207 feet.

Sterling, IL Population Data:

According to the 2010 U.S. Census, the population of Sterling was 15,370 people, which is 26.3 % of the entire population of Whiteside County.


  • 47.47% Male
  • 52.53% Female


  • 82.485% White
  • 3.019% Black
  • 0.696% Asian
  • 0.44% American Indian/Alaskan Native
  • 0.01% Pacific Islander
  • 4.086% Mixed
  • 9.265% Other


  • 75.83% Not Hispanic or Latino
  • 24.17% Hispanic or Latino
Sterling Race Population Ring Chart

Sterling, IL Housing Information:

Average Household Size: 2.4
Number of Residences: 6,947
  • Occupied: 6,303 (90.73%)
  • Vacant: 644 (9.27%)
Spotlight Left Sterling Business Spotlight
Greater Sterling Development
839998 - Non-Profit Organizations
1741 Industrial Dr, Sterling, Illinois 61081-9290
David Barajas Jr (815) 625-5255 http://www.sterlingdevelopment.org
See more in the Sterling Business Directory
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