Learn About
The Commemorative
Quarter for
The Commemorative Quarter for Illinois

Time Zone: Whiteside County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.

The community of Morrison is the Seat for Whiteside County.

Whiteside County was founded in 1836. Whiteside was created by taking area from Jo Daviess and Counties.

From the Census Estimates for 2009, <1> Whiteside had a population of 58,961 people. This is a decrease of 2.79% since the last Census (which gave a population of 60,653 people in 2000).

At the time of the 2000 Census, Whiteside represented 0.49% of the total population of Illinois, making it the state's 23rd most populous county (out of 102 counties).

The following table shows the recent changes in population. Other than 2000, the population counts have been estimated by the Census Bureau.

Since 2000
Year-to-Year Change
201058,498-3.55%-0.79% since 2009
200958,961-2.79%-0.15% since 2008
200859,050-2.64%+0.13% since 2007
200060,653The Last Census

More information can be found on the Whiteside County Census Page for Whiteside County.


Below are some of the communities located in Whiteside County (for more communities, please visit our Nearby Page for Whiteside County):

Community 2009
(2009vs. 2000)
Sterling   15,05315,4512.58% decrease  
Rock Falls   9,2689,5803.26% decrease  
Morrison   4,3074,4473.15% decrease  
Fulton   3,8213,8811.55% decrease  
Prophetstown   1,9162,0235.29% decrease  

Websites for Whiteside County

Official Website:   www.whiteside.org/

If you know of a history or genealogy society whose interest includes Whiteside County, would you please send us the URL for their website? We would like to add their link to our Gazetteer. To contact us, please visit our Feedback Page.

Other Roadside Stops ...

About Illinois

Index of Cities, Towns and Villages for Illinois

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2000 Census and the next count will be for the 2010 Census.

- Return to Citation

<2>All Quarter-dollar coin images from the United States Mint.

- Return to Citation