| City : | Grayslake Village |
| County : | Lake County |
| State : | Illinois (IL) |
| | |
| Land Area : | 9.87 sq mi |
| Water Area : | 0.21 sq mi |
| Latitude : | 42.3415922 |
| Longitude : | -88.0278630 |
| | |
| Population (2010): | 20,957 |
| Population Estimate (2012) : | 20,943 |
| Population Density : | 2,123.77/sq mi |
| Housing Units (2012) : | 8,202 |
| Median Household Income (2012) : | $95,559 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $109,121 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $240,800 (Illinois : $190,800, USA : $181,400) |