| County : | Washington County |
| State : | Oklahoma (OK) |
| Land Area : | 415.45 sq mi |
| Water Area : | 8.81 sq mi |
| Latitude : | 36.7043803 |
| Longitude : | -95.9061545 |
| Population (2010): | 50,976 |
| Population Estimate (2012) : | 51,112 |
| Population Density : | 122.70/sq mi |
| Housing Units (2012) : | 23,451 |
| Median Household Income (2012) : | $47,959 (Oklahoma : $44,891, USA : $53,046) |
| Median Family Income (2012) : | $57,273 (Oklahoma : $56,068, USA : $64,585) |
| Median House Price (2012) : | $108,100 (Oklahoma : $110,800, USA : $181,400) |
Washington County Cities / Towns
| Bartlesville City (35,750) | Copan Town (733) | Dewey City (3,432) |
| Ochelata Town (424) | Ramona Town (535) | Vera Town (241) |
Washington County Zip Codes
| 74003 (14,249) | 74006 (25,750) | 74021 (17,359) |
| 74022 (1,760) | 74029 (5,128) | 74051 (1,904) |
| 74061 (2,095) | 74070 (13,928) | 74080 (2,829) |
| 74082 (107) | 74083 (1,031) |