ISBN: | 978-5-5138-5869-0 |
High Quality Content by WIKIPEDIA articles! Janesville is a city in Black Hawk and Bremer counties in the U.S. state of Iowa. The population was 829 at the 2000 census. Janesville`s population increased to 930 at the 2010 United States Census, an increase of 12.2%. It is part of the Waterloo–Cedar Falls Metropolitan Statistical Area.