Skip to content
Janesville

File:5high.jpg · Wikimedia Commons · See Wikimedia Commons

EntityQ257536· pop 47· linked from 1,400 articles

Janesville

Sign in to save

Also known as City of Janesville, Janesville, Wisconsin, Janesville, WI

city in and county seat of Rock County, Wisconsin, United States

Key facts

Country
United States
State
Wisconsin
County
Rock
Incorporated
April 12, 1853
Founded by
Henry Janes
City manager
Kevin Lahner
Presidents
Aaron Burdick, Larry Squire
Councilmembers
Michael Cass, Joshua Erdman, Heather Miller, Richard Neeno, Paul Williams
City
35.246 sq mi (91.287 km )
Land
34.645 sq mi (89.729 km )
Water
0.602 sq mi (1.558 km ) 1.71%
Elevation
850 ft (259 m)
Estimate 2024
66,428
Rank
US: 592nd, WI: 10th
Density
1,893.9/sq mi (731.26/km )
Urban
72,285 (US: 392nd )
Urban density
1,972/sq mi (761.5/km )
Metro
165,461 (US: 265th )

via Wikipedia infobox

Wikidata facts

Instance of
county seat
Official name
Janesville
Located in
Rock County
Population
65615
Area
89.218395
Elevation
260
Body of water
Rock River
Capital of
Rock County
Official website
www.ci.janesville.wi.us
Image
Downtown Janesville.jpg
Households
27302
Dialing code
608
Show 14 more facts
postal code
53546
Commons category
Janesville, Wisconsin
topic's main category
Category:Janesville, Wisconsin
start time
1853-01-01
category for people born here
Category:Births in Janesville, Wisconsin
category of associated people
Category:People from Janesville, Wisconsin
inception
1853-00-00
female population
33026
male population
31102
different from
Janesville
P8168
AOG
water as percent of area
1.708
per capita income
30041
Sources (10)

via Wikidata · CC0

~26 min read

Encyclopedic overview

Janesville is a city in, and the county seat of Rock County, Wisconsin, United States. The population was 65,615 at the 2020 census, and was estimated at 66,428 in 2024, making it the tenth-most populous city in Wisconsin. The Janesville–Beloit Metropolitan statistical area, consisting solely of Rock County, has an estimated 165,461 residents in the 2024 estimate. It is located along the Rock River in southern Wisconsin.

History

Excerpted from Wikipedia’s “Janesville” article, available under the CC BY-SA 4.0 licence.

Gallery (11)

On the map