| County : | Northumberland County |
| State : | Virginia (VA) |
| Land Area : | 191.29 sq mi |
| Water Area : | 94.33 sq mi |
| Latitude : | 37.8569736 |
| Longitude : | -76.3796872 |
| Population (2010): | 12,330 |
| Population Estimate (2012) : | 12,389 |
| Population Density : | 64.46/sq mi |
| Housing Units (2012) : | 8,995 |
| Median Household Income (2012) : | $51,911 (Virginia : $63,636, USA : $53,046) |
| Median Family Income (2012) : | $60,847 (Virginia : $76,566, USA : $64,585) |
| Median House Price (2012) : | $246,500 (Virginia : $249,700, USA : $181,400) |
Northumberland County Cities / Towns
| Heathsville (142) | Kilmarnock Town (1,487) |
Northumberland County Zip Codes
| 22432 (394) | 22435 (2,439) | 22473 (5,099) |
| 22482 (2,993) | 22511 (1,240) | 22530 (126) |
| 22539 (2,063) | 22579 (155) |