In 2023, Markham, IL had a population of 11.4k people with a median age of 33.7 and a median household income of $52,364. Between 2022 and 2023 the population of Markham, IL declined from 11,592 to 11,434, a −1.36% decrease and its median household income grew from $47,955 to $52,364, a 9.19% increase.
The 5 largest ethnic groups in Markham, IL are Black or African American (Non-Hispanic) (70.1%), White (Non-Hispanic) (10.9%), Other (Hispanic) (9.84%), White (Hispanic) (4.06%), and Two+ (Non-Hispanic) (2.34%).
None of the households in Markham, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
94.9% of the residents in Markham, IL are U.S. citizens.
In 2023, the median property value in Markham, IL was $119,500, and the homeownership rate was 72%.
Most people in Markham, IL drove alone to work, and the average commute time was 34.2 minutes. The average car ownership in Markham, IL was 2 cars per household.