Janesville Rock County, Wisconsin

Janesville: City in and county seat of Rock County, Wisconsin


Janesville is a city located in the county of Rock in the U.S. state of Wisconsin. Its population at the 2010 census was 3,434. After 10 years in 2020 city had an estimated population of 3,612 inhabitants.

The city was created 168 years ago in 1852.

Janesville Quick Facts

Population : 3,612 (2020)
Country : United States of America
State : Wisconsin (United States)
County : Rock County
Postal code : 53548
Phone Area Codes : 608
Male population : 31102
Female population : 33026
Altitude : 837 feet / 255 meters
Capital city : Janesville is capital of Rock County
Establishment : January 01, 1853 (168 years ago)
Time Zone : America/Chicago
Local time : 03:55:55 (3rd December 2021)
Population growth : 4.93% (2010-2020)
Janesville locator map
Location of Janesville on Wisconsin map.
Downtown Janesville image
Downtown Janesville
Downtown Janesville image


Janesville is located at 42°40'58"N 89°1'7"W (42.6827900, -89.0187200).

Janesville map


The population of Janesville increased by 4.93% in 10 years.

Year Population % Change Method
2010 3,434 - census
2011 3,416 -0.53% estimation process
2012 3,430 0.41% estimation process
2013 3,438 0.23% estimation process
2014 3,475 1.06% estimation process
2015 3,482 0.2% estimation process
2016 3,509 0.77% estimation process
2017 3,545 1.02% estimation process
2018 3,569 0.67% estimation process
2019 3,612 1.19% estimation process
2020 3,612 0% estimation process

Janesville zip code is 53545. County name: Rock, County fips: 55105

Black Hawk, Dzejnsvil, Dzhejnsvil', Dzhejnsvill, E-nee-poro-poro, JVL, Janesville, jaynsfyl, jeinseubil, jeinsvili, jenzubiru, jnswyl wskwnsn, jynswyl wyskansyn, Џејнсвил, Джейнсвилл, Джейнсвіль, جاينسفيل, جنسویل، وسکونسن, جینسویل، ویسکانسین, ჯეინსვილი, ジェーンズビル, 제인스빌

Local Places in Janesville

People born in Janesville (58)

People born in Janesville, including politician, Former Speaker of U.S. House of Representatives Paul Ryan, speed skater Tucker Fredricks, racing driver Stan Fox, you can see a list of people who born in Janesville.

  • Russ Feingold (Wisconsin politician; three-term U.S. Senator) he was born in 02/03/1953
  • Steve Preston (American civil servant) he was born in 04/08/1960
  • Ella Wheeler Wilcox (American author and poet) she was born in 05/11/1850
  • John Henry Comstock (American entomologist) he was born in 24/02/1849
  • Milton Robert Carr (American politician) he was born in 27/03/1943
  • James Budd (Governor of California (1851-1908)) he was born in 18/05/1851
  • Travis Kvapil (American racing driver) he was born in 01/03/1976
  • Helen Weidenhaupt (German politician) she was born in 12/09/1954
  • Kyle Weaver (American basketball player) he was born in 18/02/1986
  • Harold P. Brown (American inventor) he was born in 27/08/1869
  • Mistie Mims (American basketball player) she was born in 02/12/1983
  • Ken Hendricks (American businessman) he was born in 08/12/1941
  • Aurelia Harwood (American conservationist) she was born in 01/09/1865
  • Bob Strampe (American baseball player) he was born in 13/06/1950
  • Carrie Jacobs-Bond (American composer) she was born in 11/08/1862
  • Charles Alden Seltzer (writer) he was born in 15/08/1875
  • Clark Van Galder (American football and basketball player; track athlete; American football, basketball, and track coach (1909-1965)) he was born in 06/02/1909
  • Claron A. Windus (United States Army Medal of Honor recipient) he was born in 10/01/1850

Schools in Janesville

College & universities near Janesville, WI

Code Name City ZIP
491224 Tricoci University of Beauty Culture-Janesville Janesville (WI) 53548
238397 Blackhawk Technical College Janesville (WI) 53547-5009

Stations (12)

Amtrak & bus stations near Janesville, WI

Code Name Address Type
JVL Janesville, Wisconsin 3120 North Pontiac Drive BUS
BET South Beloit, Illinois 15766 Manchester Road BUS
RCK Rockford, Illinois 7559 Walton St. BUS
SMD Madison (South), Wisconsin Hwy 51 & East Broadway Ave. BUS
MSN Madison, Wisconsin 800 Langdon St. BUS

Post offices near Janesville

Post Office Name City ZIP
Downtown Janesvill Post Office Janesville (WI) 53545

Other places with the same name (3)

Other cities in Rock County

Cities, Towns, Neighborhoods & Other Populated Places in Rock County , WI. (more)

City Name Population Title
City of Janesville 64,128 City in and county seat of Rock County, Wisconsin
Beloit 7,716 City in Rock County, Wisconsin, United States
Evansville 5,556 City in Rock County, Wisconsin, United States
Edgerton 5,525 City in Rock County, Wisconsin, United States
Koshkonong 3,782 Civil town in Jefferson County, Wisconsin
Fulton 3,435 Town in Rock County, Wisconsin, United States
Milton 3,126 City in Rock County, Wisconsin
Newark 1,617 Civil town in Rock County, Wisconsin
Orfordville 1,486 Village in Rock County, Wisconsin
Clinton 1,446 Village in Rock County, Wisconsin, United States
Bergen 1,364 Unincorporated community in Rock County, Wisconsin
Fairfield 1,104 Civil town in Sauk County, Wisconsin
Footville 822 Village in Rock County, Wisconsin
Magnolia 808 Civil town in Rock County, Wisconsin
Johnstown 791 Town in Rock County, Wisconsin, United States
Tiffany 650 City in Wisconsin

Distance to Other Cities

Janesville distances to largest Wisconsin cities