| County : | Knox County |
| State : | Maine (ME) |
| Land Area : | 365.13 sq mi |
| Water Area : | 778.81 sq mi |
| Latitude : | 44.0420446 |
| Longitude : | -69.0385145 |
| Population (2010): | 39,736 |
| Population Estimate (2012) : | 39,848 |
| Population Density : | 108.83/sq mi |
| Housing Units (2012) : | 23,744 |
| Median Household Income (2012) : | $47,714 (Maine : $48,219, USA : $53,046) |
| Median Family Income (2012) : | $59,542 (Maine : $60,408, USA : $64,585) |
| Median House Price (2012) : | $204,300 (Maine : $175,600, USA : $181,400) |
Knox County Cities / Towns
| Camden (3,570) | Rockland City (7,297) | Thomaston (1,875) |
Knox County Zip Codes
| 04547 (1,152) | 04563 (1,534) | 04574 (1,510) |
| 04645 (73) | 04841 (7,297) | 04843 (4,851) |
| 04847 (1,536) | 04851 (75) | 04853 (354) |
| 04854 (1,580) | 04855 (307) | 04856 (3,330) |
| 04858 (1,533) | 04859 (724) | 04860 (1,591) |
| 04861 (2,781) | 04862 (3,592) | 04863 (1,165) |
| 04864 (4,751) |