| County : | Gilliam County |
| State : | Oregon (OR) |
| Land Area : | 1,204.80 sq mi |
| Water Area : | 18.03 sq mi |
| Latitude : | 45.3816660 |
| Longitude : | -120.2118514 |
| Population (2010): | 1,871 |
| Population Estimate (2012) : | 1,904 |
| Population Density : | 1.55/sq mi |
| Housing Units (2012) : | 1,156 |
| Median Household Income (2012) : | $45,833 (Oregon : $50,036, USA : $53,046) |
| Median Family Income (2012) : | $57,656 (Oregon : $61,438, USA : $64,585) |
| Median House Price (2012) : | $118,100 (Oregon : $246,100, USA : $181,400) |
Gilliam County Cities / Towns
| Arlington City (586) | Condon City (682) | Lonerock City (21) |
Gilliam County Zip Codes
| 97812 (851) | 97823 (948) | 97830 (748) |
| 97843 (647) |