All Countries
Oak Forest, IL
Full City Profile · Illinois · Will County County
3.5
/5.0
B+
Good
26,888
Population
4,459/sq mi density
$87,941
Median Income
$41,268 per capita
$247,800
Home Value
$283,722 Zillow
$1,287
Median Rent
24.2% income on rent
53°F
Avg Temperature
275 sunny days/yr
187
Violent Crime/100K
1,035 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$87,941 median income, 3.6% unemployment
A+
Affordability
5.0 / 5.0
$247,800 home value, $1,287/mo rent
F
Safety
1.0 / 5.0
187 violent crimes/100K
B
Education
3.4 / 5.0
30.1% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-6.5%
28,256 → 26,418
over 10 years
Annual Pop. Growth
-0.67%
Compound annual growth rate
Median Income Change
+22.1%
$71,999 → $87,941
nominal, not inflation-adjusted
Annual Income Growth
+2.02%
Compound annual growth rate
Population Over Time
Total population for Oak Forest 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
25,204
-1,214 from 2023 (26,418)
Projected Median Income 2030
$101,155
+$13,214 from 2023 ($87,941)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 28,256 | — | $71,999 | — |
| 2015 | 28,088 | -0.6% | $69,866 | -3% |
| 2017 | 27,662 | -1.5% | $73,765 | +5.6% |
| 2019 | 27,178 | -1.7% | $76,945 | +4.3% |
| 2021 | 26,793 | -1.4% | $81,288 | +5.6% |
| 2023 | 26,418 | -1.4% | $87,941 | +8.2% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.