In 2021, Markham, IL had a population of 11.7k people with a median age of 32.2 and a median household income of $43,835. Between 2020 and 2021 the population of Markham, IL declined from 12,401 to 11,733, a −5.39% decrease and its median household income grew from $42,050 to $43,835, a 4.24% increase.
The 5 largest ethnic groups in Markham, IL are Black or African American (Non-Hispanic) (75.1%), White (Non-Hispanic) (12.2%), Other (Hispanic) (5.4%), White (Hispanic) (3.76%), and Two+ (Hispanic) (1.71%).
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.
96.9% of the residents in Markham, IL are U.S. citizens.
In 2021, the median property value in Markham, IL was $91,900, and the homeownership rate was 66.4%.
Most people in Markham, IL drove alone to work, and the average commute time was 33.5 minutes. The average car ownership in Markham, IL was 2 cars per household.