All Countries
Markham, IL
Full City Profile · Illinois · Will County County
2.7
/5.0
C+
Fair
11,434
Population
2,113/sq mi density
$52,364
Median Income
$25,122 per capita
$119,500
Home Value
$149,751 Zillow
$1,689
Median Rent
49.3% income on rent
53°F
Avg Temperature
275 sunny days/yr
506
Violent Crime/100K
3,326 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$52,364 median income, 6.4% unemployment
A+
Affordability
5.0 / 5.0
$119,500 home value, $1,689/mo rent
F
Safety
1.0 / 5.0
506 violent crimes/100K (33% above avg)
C
Education
2.2 / 5.0
15.6% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-11.8%
12,715 → 11,216
over 10 years
Annual Pop. Growth
-1.25%
Compound annual growth rate
Median Income Change
+32.7%
$39,459 → $52,364
nominal, not inflation-adjusted
Annual Income Growth
+2.87%
Compound annual growth rate
Population Over Time
Total population for Markham across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
10,271
-945 from 2023 (11,216)
Projected Median Income 2030
$63,834
+$11,470 from 2023 ($52,364)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 12,715 | — | $39,459 | — |
| 2015 | 12,688 | -0.2% | $34,433 | -12.7% |
| 2017 | 12,510 | -1.4% | $35,200 | +2.2% |
| 2019 | 12,302 | -1.7% | $43,011 | +22.2% |
| 2021 | 11,399 | -7.3% | $43,835 | +1.9% |
| 2023 | 11,216 | -1.6% | $52,364 | +19.5% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.