Dixon
- County:
- Lee County
- County Seat:
- Yes
- Area (mi²):
- 9.478
- State:
- Illinois
Dixon is a city located in Lee County, Illinois. Dixon has a 2026 population of 15,156. It is also the county seat of Lee County. Dixon is currently declining at a rate of -0.18% annually and its population has decreased by -1.37% since the most recent census, which recorded a population of 15,366 in 2020.