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Big Rock, IL
Full City Profile · Illinois · Kane County County
3.7
/5.0
B+
Good
1,208
Population
280/sq mi density
$126,667
Median Income
$49,473 per capita
$290,100
Home Value
$400,867 Zillow
49°F
Avg Temperature
275 sunny days/yr
18
Violent Crime/100K
1,014 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$126,667 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$290,100 home value, /mo rent
F
Safety
1.0 / 5.0
18 violent crimes/100K
B+
Education
3.8 / 5.0
35.3% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-4.7%
1,142 → 1,088
over 10 years
Annual Pop. Growth
-0.48%
Compound annual growth rate
Median Income Change
+89%
$67,031 → $126,667
nominal, not inflation-adjusted
Annual Income Growth
+6.57%
Compound annual growth rate
Population Over Time
Total population for Big Rock 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
1,052
-36 from 2023 (1,088)
Projected Median Income 2030
$197,746
+$71,079 from 2023 ($126,667)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 1,142 | — | $67,031 | — |
| 2015 | 1,152 | +0.9% | $76,250 | +13.8% |
| 2017 | 1,148 | -0.3% | $84,464 | +10.8% |
| 2019 | 1,129 | -1.7% | $96,369 | +14.1% |
| 2021 | 1,095 | -3% | $112,778 | +17% |
| 2023 | 1,088 | -0.6% | $126,667 | +12.3% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.