
Batavia
- County:
- Kane County
- County Seat:
- No
- Area (mi²):
- 10.879
- State:
- Illinois
Batavia is a city located in Kane County, Illinois. Batavia has a 2025 population of 26,181. Batavia is currently declining at a rate of -0.1% annually and its population has decreased by -0.51% since the most recent census, which recorded a population of 26,316 in 2020.
The average household income in Batavia is $141,449 with a poverty rate of 5.03%. The median age in Batavia is 41.2 years: 38.5 years for males, and 42.6 years for females.