Dixon is a city located in Lee County, Illinois, in the United States. It serves as the county seat and is situated along the Rock River, which flows through the city. The municipality was named after its founder, John Dixon, who established a rope ferry service to transport people across the river.
The city has a recorded population of 15,274 according to the 2020 census. It holds two specific official designations from the Illinois General Assembly: it was named the "Petunia Capital of Illinois" in 1999 and the "Catfish Capital of Illinois" in 2009.