All Countries
Coal City, IL
Full City Profile · Illinois · Grundy County County
3.3
/5.0
B
Good
5,145
Population
892/sq mi density
$73,030
Median Income
$42,064 per capita
$211,600
Home Value
$259,805 Zillow
$1,064
Median Rent
27.9% income on rent
51°F
Avg Temperature
275 sunny days/yr
75
Violent Crime/100K
543 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$73,030 median income, 4.0% unemployment
A+
Affordability
5.0 / 5.0
$211,600 home value, $1,064/mo rent
F
Safety
1.0 / 5.0
75 violent crimes/100K
C+
Education
3.0 / 5.0
24.9% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+2.8%
5,630 → 5,787
over 10 years
Annual Pop. Growth
+0.28%
Compound annual growth rate
Median Income Change
+27.2%
$57,413 → $73,030
nominal, not inflation-adjusted
Annual Income Growth
+2.44%
Compound annual growth rate
Population Over Time
Total population for Coal City 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
5,901
+114 from 2023 (5,787)
Projected Median Income 2030
$86,455
+$13,425 from 2023 ($73,030)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 5,630 | — | $57,413 | — |
| 2015 | 5,559 | -1.3% | $64,659 | +12.6% |
| 2017 | 5,484 | -1.3% | $72,188 | +11.6% |
| 2019 | 5,414 | -1.3% | $74,755 | +3.6% |
| 2021 | 5,749 | +6.2% | $77,636 | +3.9% |
| 2023 | 5,787 | +0.7% | $73,030 | -5.9% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.