| City : | Mount Vernon City |
| County : | Cass County, Grant County, Kay County |
| State : | Oregon (OR) |
| | |
| Land Area : | 0.68 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 44.4168969 |
| Longitude : | -119.1131737 |
| | |
| Population (2010): | 527 |
| Population Estimate (2012) : | 673 |
| Population Density : | 772.05/sq mi |
| Housing Units (2012) : | 281 |
| Median Household Income (2012) : | $34,321 (Oregon : $50,036, USA : $53,046) |
| Median Family Income (2012) : | $38,095 (Oregon : $61,438, USA : $64,585) |
| Median House Price (2012) : | $85,900 (Oregon : $246,100, USA : $181,400) |