Geneseo is a somewhat small city located in the state of Illinois. With a population of 6,515 people and three associated neighborhoods, Geneseo is the 291st largest community in Illinois.

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

The education level of Geneseo citizens is substantially higher than the typical US community, as 33.43% of adults in Geneseo have at least a bachelor's degree.

The per capita income in Geneseo in 2022 was $40,287, which is upper middle income relative to Illinois and the nation. This equates to an annual income of $161,148 for a family of four. However, Geneseo contains both very wealthy and poor people as well.

The people who call Geneseo home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Geneseo residents report their race to be White, followed by Asian. Important ancestries of people in Geneseo include German, Belgian, English, Irish, and Swedish.

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