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The City of Janesville is located in Rock County in the state of Wisconsin (WI).

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Janesville, Wisconsin, in Rock County was incorporated in 1853. spans over 28.1 square miles and has a population of 62,999 citizens who are all invited to join us here on our site.
Latest Janesville, WI News:
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More News Resources for Janesville
County Level News: Rock County News
State Level News: State of Wisconsin News
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Janesville, WI Map (Interactive)

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Janesville Latitude: 42.7377 Longitude: -89.0318


The The Zip Codes for Janesville, WI are:
53545, 53546, 53547, 53548

We also provide additional resources for the rest of Rock County and the State of Wisconsin.

The City of Janesville

Facts & Data:

Janesville Wisconsin Physical Characteristics:

The City of Janesville has an area of 34.4 square miles
  • Land: 33.858891119691 Sq. Mi. (98.29%)
  • Water: 0.58836563706564 Sq. Mi.(1.71%)
The Janesville City takes up 4.7% of the area of Rock County.

Map Location Coordinates:

  • Latitude: +42.6846985
  • Longitude: -089.0131701
Janesville Land Water Pie Chart

Janesville, WI Climate Information:

  • Average Rainfall: 36 inches
*Based on annual average for Weather Station USC00475473 MILTON WWTP
Latitude: 42.7797 Longitude: -88.9442 Elevation: 267 feet.

Janesville, WI Population Data:

According to the 2010 U.S. Census, the population of Janesville was 63,575 people, which is 39.7 % of the entire population of Rock County.

Sex:

  • 48.92% Male
  • 51.08% Female

Race:

  • 91.701% White
  • 2.569% Black
  • 1.348% Asian
  • 0.29% American Indian/Alaskan Native
  • 0.03% Pacific Islander
  • 2.090% Mixed
  • 1.963% Other

Ethnicity:

  • 94.62% Not Hispanic or Latino
  • 5.38% Hispanic or Latino
Janesville Race Population Ring Chart

Janesville, WI Housing Information:

Average Household Size: 2.4
Number of Residences: 27,996
  • Occupied: 25,828 (92.26%)
  • Vacant: 2,168 (7.74%)
Spotlight Left Janesville Business Spotlight
ASA
356907 - Automation Systems & Equipment-Mfrs
2104 Beloit Ave, Janesville, Wisconsin 53546-3023
Lou Rotello (608) 755-1818 (608) 755-0138 http://www.asofa.com
See more in the Janesville Business Directory
Spotlight Right

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