All Countries
Sleepy Hollow, IL
Full City Profile · Illinois · McHenry County County
4.3
/5.0
A
Great
3,165
Population
1,598/sq mi density
$147,407
Median Income
$63,251 per capita
$365,200
Home Value
$456,971 Zillow
$1,206
Median Rent
38.6% income on rent
49°F
Avg Temperature
260 sunny days/yr
A
Overall
4.3 / 5.0
Strong
A+
Economy
4.9 / 5.0
$147,407 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$365,200 home value, $1,206/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
A+
Education
4.8 / 5.0
46.9% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-5.5%
3,328 → 3,146
over 10 years
Annual Pop. Growth
-0.56%
Compound annual growth rate
Median Income Change
+64.8%
$89,457 → $147,407
nominal, not inflation-adjusted
Annual Income Growth
+5.12%
Compound annual growth rate
Population Over Time
Total population for Sleepy Hollow 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
3,025
-121 from 2023 (3,146)
Projected Median Income 2030
$209,081
+$61,674 from 2023 ($147,407)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 3,328 | — | $89,457 | — |
| 2015 | 3,328 | +0% | $94,250 | +5.4% |
| 2017 | 3,304 | -0.7% | $102,188 | +8.4% |
| 2019 | 3,243 | -1.8% | $110,938 | +8.6% |
| 2021 | 3,183 | -1.9% | $127,545 | +15% |
| 2023 | 3,146 | -1.2% | $147,407 | +15.6% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.