All Countries
Grayslake, IL
Full City Profile · Illinois · McHenry County County
3.9
/5.0
B+
Good
20,707
Population
1,895/sq mi density
$113,697
Median Income
$53,833 per capita
$293,900
Home Value
$355,302 Zillow
$1,434
Median Rent
26.5% income on rent
48°F
Avg Temperature
260 sunny days/yr
62
Violent Crime/100K
852 property/100K
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$113,697 median income, 4.2% unemployment
A+
Affordability
5.0 / 5.0
$293,900 home value, $1,434/mo rent
F
Safety
1.0 / 5.0
62 violent crimes/100K
A+
Education
5.0 / 5.0
59.1% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-0.2%
21,167 → 21,118
over 10 years
Annual Pop. Growth
-0.02%
Compound annual growth rate
Median Income Change
+28.3%
$88,603 → $113,697
nominal, not inflation-adjusted
Annual Income Growth
+2.53%
Compound annual growth rate
Population Over Time
Total population for Grayslake 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
21,088
-30 from 2023 (21,118)
Projected Median Income 2030
$135,427
+$21,730 from 2023 ($113,697)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 21,167 | — | $88,603 | — |
| 2015 | 21,029 | -0.7% | $81,367 | -8.2% |
| 2017 | 20,939 | -0.4% | $86,861 | +6.8% |
| 2019 | 20,734 | -1% | $97,265 | +12% |
| 2021 | 21,121 | +1.9% | $109,975 | +13.1% |
| 2023 | 21,118 | +-0% | $113,697 | +3.4% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.