Lake Mills is a somewhat small city located in the state of Wisconsin. With a population of 6,439 people and two associated neighborhoods, Lake Mills is the 138th largest community in Wisconsin.

Telecommuters are a relatively large percentage of the workforce: 12.00% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. 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.

Being a small city, Lake Mills does not have a public transit system used by locals to get to and from work.

The citizens of Lake Mills are among the most well-educated in the nation: 40.96% of adults in Lake Mills have a bachelor's degree or even advanced degree, whereas the average US city has 21.84% holding at least a bachelor's degree.

The per capita income in Lake Mills in 2022 was $40,258, which is upper middle income relative to Wisconsin and the nation. This equates to an annual income of $161,032 for a family of four.

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

The most common language spoken in Lake Mills is English. Other important languages spoken here include Polish and Italian.