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Grantfork, IL
Full City Profile · Illinois · Madison County County
4.2
/5.0
A
Great
468
Population
1,265/sq mi density
$103,750
Median Income
$48,353 per capita
$195,500
Home Value
$189,276 Zillow
58°F
Avg Temperature
293 sunny days/yr
A
Overall
4.2 / 5.0
Strong
A+
Economy
4.8 / 5.0
$103,750 median income, 3.4% unemployment
A+
Affordability
5.0 / 5.0
$195,500 home value, /mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
A+
Education
4.6 / 5.0
45.4% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-2%
345 → 338
over 10 years
Annual Pop. Growth
-0.2%
Compound annual growth rate
Median Income Change
+104.9%
$50,625 → $103,750
nominal, not inflation-adjusted
Annual Income Growth
+7.44%
Compound annual growth rate
Population Over Time
Total population for Grantfork 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
333
-5 from 2023 (338)
Projected Median Income 2030
$171,455
+$67,705 from 2023 ($103,750)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 345 | — | $50,625 | — |
| 2015 | 344 | -0.3% | $70,625 | +39.5% |
| 2017 | 344 | +0% | $73,125 | +3.5% |
| 2019 | 344 | +0% | $75,536 | +3.3% |
| 2021 | 343 | -0.3% | $93,750 | +24.1% |
| 2023 | 338 | -1.5% | $103,750 | +10.7% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.