
Burnham
- County:
- Cook County
- County Seat:
- No
- Area (mi²):
- 1.855
- State:
- Illinois
Burnham is a village located in Cook County, Illinois. Burnham has a 2025 population of 3,759. Burnham is currently declining at a rate of -1.44% annually and its population has decreased by -6.79% since the most recent census, which recorded a population of 4,033 in 2020.
The average household income in Burnham is $66,076 with a poverty rate of 13.82%. The median age in Burnham is 36.5 years: 35.3 years for males, and 39.9 years for females.