Fond du Lac is a medium-sized city located in the state of Wisconsin. With a population of 44,339 people and 13 associated neighborhoods, Fond du Lac is the 15th largest community in Wisconsin.

A relatively large number of people in Fond du Lac telecommute to their jobs. Overall, about 7.67% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. 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 education level of Fond du Lac citizens is a little higher than the average for US cities and towns: 21.23% of adults in Fond du Lac have at least a bachelor's degree.

The per capita income in Fond du Lac in 2022 was $31,286, which is lower middle income relative to Wisconsin, and middle income relative to the rest of the US. This equates to an annual income of $125,144 for a family of four. However, Fond du Lac contains both very wealthy and poor people as well.

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

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