Geneva
- County:
- Kane County
- County Seat:
- Yes
- Area (mi²):
- 9.976
- State:
- Illinois
Geneva is a city located in Kane County, Illinois. Geneva has a 2026 population of 21,168. It is also the county seat of Kane County. Geneva is currently declining at a rate of -0.18% annually and its population has decreased by -0.79% since the most recent census, which recorded a population of 21,337 in 2020.