Markham

County:: Cook County
County Seat:: No
Area (mi²):: 5.405
State:: Illinois

Markham is a city located in Cook County, Illinois. Markham has a 2025 population of 10,801. Markham is currently declining at a rate of -1.5% annually and its population has decreased by -7.05% since the most recent census, which recorded a population of 11,620 in 2020.

The average household income in Markham is $74,048 with a poverty rate of 18.88%. The median age in Markham is 33.7 years: 29.7 years for males, and 36.4 years for females.

Demographics

The racial composition of Markham includes 70.22% Black or African American, 15% White, 9.84% other race, and smaller percentages for Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Black or African American

White

Other race

Two or more races

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
Black or African American	8,029	70.22%
White	1,715	15%
Other race	1,125	9.84%
Two or more races	476	4.16%
Native American	55	0.48%
Asian	34	0.3%
Native Hawaiian or Pacific Islander	0	0%

Markham Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Markham's average per capita income is $40,270. Household income levels show a median of $52,364. The poverty rate stands at 18.88%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$93,060	-
Families	$58,363	$75,505
Households	$52,364	$74,048
Non Families	$39,830	$58,884

$40,270

Average Income

$52,364

Median Household Income

18.88%

Poverty Rate