Northumberland County, Virginia

Geography According to the U.S. Census Bureau, the county has a total area of 740 km² (286 mi²). 498 km² (192 mi²) of it is land and 242 km² (93 mi²) of it is water. The total area is 32.68% water.

Demographics As of the census of 2000, there are 12,259 people, 5,470 households, and 3,785 families residing in the county. The population density is 25/km² (64/mi²). There are 8,057 housing units at an average density of 16/km² (42/mi²). The racial makeup of the county is 72.18% White, 26.58% African American, 0.15% Native American, 0.20% Asian, 0.00% Pacific Islander, 0.33% from other races, and 0.56% from two or more races. 0.93% of the population are Hispanic or Latino of any race.

There are 5,470 households out of which 20.10% have children under the age of 18 living with them, 57.30% are married couples living together, 8.70% have a female householder with no husband present, and 30.80% are non-families. 27.70% of all households are made up of individuals and 15.20% have someone living alone who is 65 years of age or older. The average household size is 2.24 and the average family size is 2.70.

In the county, the population is spread out with 18.60% under the age of 18, 4.80% from 18 to 24, 20.20% from 25 to 44, 30.10% from 45 to 64, and 26.20% who are 65 years of age or older. The median age is 50 years. For every 100 females there are 91.20 males. For every 100 females age 18 and over, there are 88.40 males.

The median income for a household in the county is $38,129, and the median income for a family is $49,047. Males have a median income of $30,151 versus $24,116 for females. The per capita income for the county is $22,917. 12.30% of the population and 8.10% of families are below the poverty line. Out of the total people living in poverty, 17.00% are under the age of 18 and 10.70% are 65 or older.