| County : | Douglas County |
| State : | Kansas (KS) |
| Land Area : | 455.87 sq mi |
| Water Area : | 18.77 sq mi |
| Latitude : | 38.8965726 |
| Longitude : | -95.2905294 |
| Population (2010): | 110,826 |
| Population Estimate (2012) : | 111,073 |
| Population Density : | 243.11/sq mi |
| Housing Units (2012) : | 46,731 |
| Median Household Income (2012) : | $48,395 (Kansas : $51,273, USA : $53,046) |
| Median Family Income (2012) : | $69,639 (Kansas : $64,731, USA : $64,585) |
| Median House Price (2012) : | $178,700 (Kansas : $127,400, USA : $181,400) |
Douglas County Cities / Towns
| Baldwin City (4,515) | Eudora City (6,136) | Lawrence City (87,643) |
| Lecompton City (625) |
Douglas County Zip Codes
| 66006 (7,459) | 66021 (2,612) | 66025 (7,704) |
| 66044 (28,417) | 66045 (2,023) | 66046 (19,452) |
| 66047 (18,268) | 66049 (25,957) | 66050 (1,822) |
| 66092 (4,084) | 66409 (2,997) | 66524 (2,499) |