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The Commemorative
Quarter for
The Commemorative Quarter for Ohio

Time Zone: Jefferson County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Steubenville is the Seat for Jefferson County.

Jefferson County was founded July 29, 1797 and was created by taking area from WashingtonCounty.

From the Census Estimates for 2009, <1> Jefferson had a population of 67,691 people. This is a decrease of 8.39% since the last Census (which gave a population of 73,894 people in 2000).

At the time of the 2000 Census, Jefferson represented 0.65% of the total population of Ohio, making it the state's 34th most populous county (out of 88 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
201069,709-5.66%+2.98% since 2009
200967,691-8.39%-0.81% since 2008
200868,242-7.65%-0.45% since 2007
200073,894The Last Census

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


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

Community 2009
(2009vs. 2000)
Steubenville   18,68119,0151.76% decrease  
Toronto   5,1425,6769.41% decrease  
Wintersville   3,8274,0675.9% decrease  
Mingo Junction   3,2743,6319.83% decrease  
Tiltonsville   1,1831,32910.99% decrease  

Websites for Jefferson County

Official Website:   www.jeffersoncountyoh.com/

If you know of a history or genealogy society whose interest includes Jefferson 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 Ohio

Index of Cities, Towns and Villages for Ohio

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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