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Population & People
Population
20,801
Median age
37.2
Median household income
$113,972
Poverty rate
6.3%
Unemployment rate
5.3%
Bachelor's degree+
58.5%
Avg. commute
22 min
Hispanic or Latino
10.2%
Source: U.S. Census Bureau, American Community Survey.
Housing & Rent
Median home value
$309,500
Median gross rent
$1,485/mo
Homeownership rate
78.18%
HUD FMR — 2 bedroom
$1,063
HUD Fair Market Rent (Illinois statewide average across 102 areas — not specific to Grayslake), 2026. Efficiency $774, 1BR $854, 2BR $1063, 3BR $1370, 4BR $1561. This is a different official figure from Census median gross rent above.
Energy
Illinois commercial electricity
13.07¢/kWh
Illinois industrial electricity
10.14¢/kWh
Illinois residential electricity
17.69¢/kWh
Economy
Gross Domestic Product: All Industry Total
1201996.1
Real Gross Domestic Product: All Industry Total
913681.4
All-Transactions House Price Index for Illinois
565.87
Unemployment Rate
4.9%
Source: FRED, Illinois-specific series.