All Countries
Boulder Hill, IL
Full City Profile · Illinois · Kendall County County
3.2
/5.0
B
Good
9,127
Population
6,251/sq mi density
$76,935
Median Income
$33,330 per capita
$233,100
Home Value
$321,311 Zillow
$1,759
Median Rent
35.1% income on rent
50°F
Avg Temperature
275 sunny days/yr
140
Violent Crime/100K
1,316 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$76,935 median income, 3.5% unemployment
A+
Affordability
5.0 / 5.0
$233,100 home value, $1,759/mo rent
F
Safety
1.0 / 5.0
140 violent crimes/100K
C
Education
2.4 / 5.0
17.6% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+13%
8,077 → 9,127
over 10 years
Annual Pop. Growth
+1.23%
Compound annual growth rate
Median Income Change
+20.6%
$63,806 → $76,935
nominal, not inflation-adjusted
Annual Income Growth
+1.89%
Compound annual growth rate
Population Over Time
Total population for Boulder Hill 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
9,942
+815 from 2023 (9,127)
Projected Median Income 2030
$87,709
+$10,774 from 2023 ($76,935)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 8,077 | — | $63,806 | — |
| 2015 | 8,584 | +6.3% | $62,281 | -2.4% |
| 2017 | 8,973 | +4.5% | $65,085 | +4.5% |
| 2019 | 10,262 | +14.4% | $67,124 | +3.1% |
| 2021 | 9,675 | -5.7% | $71,663 | +6.8% |
| 2023 | 9,127 | -5.7% | $76,935 | +7.4% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.