Markham city, Illinois Demographics & Population 2026
As of 2026, Markham city, Illinois has a total population of 11,434, the 204th largest city in Illinois, with a median household income of $52,364, which is 36% lower than the state average. The poverty rate is 18.9%.
Key Takeaways
- Household income is 36% below the state average, indicating significant economic challenges.
- Housing is very affordable with a home-value-to-income ratio of just 2.3x.
- Unemployment rate of 10.4% is notably above the national average.
Markham city Quick Facts
How Markham city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 60 | National average: 60
Education
Educational Attainment (Adults 25+)
Markham city Rankings in Illinois
Explore Illinois Rankings
Cities Similar to Markham city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Taylorville city | 11,149 | $52,720 | $106,300 | 16.4% | 14.7% |
| Pontiac city | 11,483 | $59,579 | $110,200 | 16.1% | 9.9% |
| Streator city | 12,274 | $54,953 | $88,000 | 12.3% | 20.6% |
| Kewanee city | 12,280 | $49,668 | $70,000 | 15.1% | 15.1% |
| Centralia city | 12,009 | $47,308 | $81,600 | 17.8% | 22.6% |
Population Overview
Markham city is a small city located in Illinois. The total population is 11,434. It ranks as the 204th most populous out of 1,445 cities and towns in Illinois.
Age Demographics
The median age in Markham city is 33.7 years. This is 13% lower than the state median of 38.9 years.
Economy, Income & Housing
The median household income in Markham city is $52,364. This is 36% lower than the state median of $81,702. Compared to the national median of $78,538, household income here is 33% lower. The poverty rate stands at 18.9%. This is 61% higher than the state poverty rate of 11.7%. The unemployment rate is 10.4%. This is 79% higher than the state rate of 5.8%. The median home value is $119,500. Housing costs are 52% lower than the state median of $250,500. With a home-value-to-income ratio of just 2.3x, Markham city is one of the most affordable housing markets in the area. 72.0% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 66.8%.
Race & Ethnicity
The largest racial or ethnic group in Markham city is Black or African American, making up 70.1% of the population. Hispanic or Latino residents account for 16.2%. The White (non-Hispanic) population (10.9%) is well below the state average of 58.8%. The Black or African American population is significantly higher than the state average (70.1% vs 13.6%). The Asian population (0.3%) is well below the state average of 5.8%.
Education
15.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 58% lower than the state rate of 37.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 87.0%.
Data Sources & Methodology
All demographic data for Markham city, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. For official data, visit data.census.gov.
Free data download: Get all Illinois city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Markham city, Illinois?
Markham city, Illinois has a population of 11,434 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Markham city, IL?
The median household income in Markham city is $52,364, which is 33% lower the national median of $78,538.
What is the poverty rate in Markham city, IL?
The poverty rate in Markham city is 18.9%. This means approximately 2,128 residents live below the federal poverty line.
What is the racial makeup of Markham city, Illinois?
Markham city's population is 10.9% White, 70.1% Black, 16.2% Hispanic/Latino, and 0.3% Asian.
What is the median home value in Markham city, IL?
The median home value in Markham city is $119,500. The home-value-to-income ratio is 2.3x.
How educated is Markham city, Illinois?
15.6% of adults (25+) in Markham city hold a bachelor's degree or higher, and 3.0% hold a graduate or professional degree.