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

The community of Galena is the Seat for Jo Daviess County.

Jo Daviess County was founded in 1827. Jo Daviess was created by taking area from Henry, and Counties.

From the Census Estimates for 2009, <1> Jo Daviess had a population of 21,990 people. This is a decrease of 1.34% since the last Census (which gave a population of 22,289 people in 2000).

At the time of the 2000 Census, Jo Daviess represented 0.18% of the total population of Illinois, making it the state's 55th 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
201022,678+1.75%+3.13% since 2009
200921,990-1.34%-0.45% since 2008
200822,089-0.9%-0.36% since 2007
200022,289The Last Census

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


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

Community 2009
(2009vs. 2000)
Galena   3,3023,4604.57% decrease  
East Dubuque   1,8991,9954.81% decrease  
Stockton   1,7811,9267.53% decrease  
Warren   1,3561,4969.36% decrease  
Hanover   7838366.34% decrease  

Websites for Jo Daviess County

Official Website:   www.jodaviess.org/

If you know of a history or genealogy society whose interest includes Jo Daviess 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.

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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.

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

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