Genoa is a city in the north-east corner of DeKalb County, Illinois, United States.

Genoa was settled as early as 1835 by Thomas Madison, an American Revolutionary War soldier from Ashtabula County, Ohio.

The terms of the City Council are staggered such that one alderman from each ward is elected every two years.

Genoa is part of the Genoa-Kingston (GK) School District with nearby village Kingston.

The school district's mascot is a “Cog”, and the school sports teams are the G-K Cogs (Acronym for Community of Genoa Sports) with the colors being royal blue and orange.

Girls athletics include basketball, cheer leading, cross country, dance team, golf, soccer, softball, track and field, and volleyball.

Boys athletics include football, baseball, basketball, cross country, golf, soccer, track and field, and wrestling.