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Janesville, Wisconsin

Located in Rock County, Wisconsin, Janesville was established in 1835. Paul Ryan, former Speaker of the House, is from Janesville. The GM plant closure in 2008 devastated the local economy.
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Founded 1835 | Population 65,000 | Peak 65,000 (2024) | County Rock County

Top 10 Most Important Events for Janesville, Wisconsin

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1835Founded: Rock River settlement.
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1919GM Plant: General Motors assembly plant.
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2008GM Closure: Plant closes; economic devastation.
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2008Natural Disaster: Janesville was impacted by a significant tornado.
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Latest News in Janesville

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Complete Historical Timeline

1835 Culture
Founded
1919 Industry
GM Plant
2008 Business
GM Closure
2008 Disaster
Natural Disaster

Did You Know?

1
Paul Ryan, former Speaker of the House, is from Janesville.
2
The GM plant closure in 2008 devastated the local economy.
3
On the Rock River in southern Wisconsin.
4
Janesville is located in Rock County, Wisconsin.
5
Janesville was founded in 1835.
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