Burnham is a city located in Illinois. With a 2020 population of 4,034, it is the 366th largest city in Illinois and the 5388th largest city in the United States . Burnham is currently declining at a rate of -0.66% annually and its population has decreased by -4.09% since the most recent census, which recorded a population of 4,206 in 2010. Burnham reached it's highest population of 4,241 in 2013. Spanning over 2 miles, Burnham has a population density of 2,175 people per square mile.
The average household income in Burnham is $58,669 with a poverty rate of 17.15%. The median rental costs in recent years comes to $930 per month, and the median house value is $96,400. The median age in Burnham is 37.5 years, 33.5 years for males, and 45.2 years for females.