Markham is located in Illinois.
Markham, Illinois has a population of
family-centric than the surrounding county with
18.48% of the households
containing married families with children.
The county average for households married with children is 18.48%.
The median household income in Markham, Illinois is
The median household income for the surrounding county is $45,570
compared to the national median of $50,935.
The median age of people living in Markham is
The average high temperature in July is 84
degrees, with an average low temperature in January of 13.9 degrees.
The average rainfall is approximately 36.9 inches
per year, with 28.7 inches of snow per year.