
Genoa
- County:
- DeKalb County
- County Seat:
- No
- Area (mi²):
- 2.596
- State:
- Illinois
Genoa is a city located in DeKalb County, Illinois. Genoa has a 2025 population of 5,523. Genoa is currently growing at a rate of 0.78% annually and its population has increased by 4.07% since the most recent census, which recorded a population of 5,307 in 2020.
The average household income in Genoa is $95,479 with a poverty rate of 19.07%. The median age in Genoa is 34.2 years: 34.3 years for males, and 31.9 years for females.