Port Byron is located in Illinois. Port Byron, Illinois has a population of 1,632. Port Byron is more family-centric than the surrounding county with 38% households with children. The county percentage for households with children is 26%.
The median household income in Port Byron, Illinois is $77,959. The median household income for the surrounding county is $57,012 compared to the national median of $66,222. The median age of people living in Port Byron is 44.5 years.
The average high temperature in July is 85.36 degrees, with an average low temperature in January of 13.08 degrees. The annual precipitation is 35.08.