| County : | Lake County |
| State : | Ohio (OH) |
| Land Area : | 227.49 sq mi |
| Water Area : | 751.70 sq mi |
| Latitude : | 41.9241163 |
| Longitude : | -81.3926429 |
| Population (2010): | 230,041 |
| Population Estimate (2012) : | 229,873 |
| Population Density : | 1,011.21/sq mi |
| Housing Units (2012) : | 101,202 |
| Median Household Income (2012) : | $56,231 (Ohio : $48,246, USA : $53,046) |
| Median Family Income (2012) : | $70,018 (Ohio : $61,163, USA : $64,585) |
| Median House Price (2012) : | $154,500 (Ohio : $133,700, USA : $181,400) |
Lake County Cities / Towns
| Eastlake City (18,577) | Fairport Harbor Village (3,109) | Grand River Village (399) |
| Kirtland City (6,866) | Kirtland Hills Village (646) | Lakeline Village (226) |
| Madison Village (3,184) | Mentor City (47,159) | Mentor-on-the-lake City (7,443) |
| North Madison (8,547) | North Perry Village (893) | Painesville City (19,563) |
| Perry Village (1,663) | Timberlake Village (675) | Waite Hill Village (471) |
| Wickliffe City (12,750) | Willoughby City (22,268) | Willoughby Hills City (9,485) |
| Willowick City (14,171) |
Lake County Zip Codes
| 44024 (23,557) | 44041 (14,979) | 44045 (422) |
| 44057 (19,961) | 44060 (60,211) | 44077 (56,491) |
| 44081 (7,088) | 44086 (2,391) | 44092 (16,835) |
| 44094 (35,234) | 44095 (33,579) |