
Byron
- County:
- Ogle County
- County Seat:
- No
- Area (mi²):
- 4.65
- State:
- Illinois
Byron is a city located in Ogle County, Illinois. Byron has a 2025 population of 3,764. Byron is currently declining at a rate of -0.11% annually and its population has decreased by -0.53% since the most recent census, which recorded a population of 3,784 in 2020.
The average household income in Byron is $89,127 with a poverty rate of 9.04%. The median age in Byron is 35.8 years: 33 years for males, and 38.1 years for females.