Janesville is a larger medium-sized city located in the state of Wisconsin. With a population of 66,102 people and 18 associated neighborhoods, Janesville is the tenth largest community in Wisconsin.

Also of interest is that Janesville has more people living here who work in computers and math than 95% of the places in the US.

One interesting thing about the economy is that relatively large numbers of people worked from their home: 8.55% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

The overall education level of Janesville is somewhat higher than in the average US city of 21.84%: 26.94% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in Janesville in 2022 was $36,639, which is middle income relative to Wisconsin and the nation. This equates to an annual income of $146,556 for a family of four. However, Janesville contains both very wealthy and poor people as well.

Janesville is a somewhat ethnically-diverse city. The people who call Janesville home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Janesville residents report their race to be White, followed by Black or African-American. Important ancestries of people in Janesville include German, Irish, Norwegian, English, and Polish.

The most common language spoken in Janesville is English. Other important languages spoken here include Spanish and Polish.