County Dossier
Lake County
Illinois | County
Population
714,223
Land Area
443.7 sq mi
Context
Metro
Geography
County silhouette
- Land Area
- 443.7 sq mi
- Water Area
- 924.7 sq mi
- Water Share
- 67.6%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
714,223
- Density
- 1,609.8 / sq mi
- Households
- 258,455
- Housing Units
- 270,618
- Median Age
- 39.1 years
Income & Economy
Median Household Income
$110,416
GDP
$82.87B
Real GDP Change+1.7%
- Per Capita Income
- $57,153
- Personal Income
- $74.41B
- Personal Income Per Capita
- $103,546
Classification
RUCC 1
Metro
Counties in metro areas of 1 million population or more
Relief
Min
573 ft
Mean
632 ft
Max
951 ft