Geography

Annandale is located at 38°50′3″N, 77°12′41″W (38.834134, -77.211277)^GR1.

According to the United States Census Bureau, the CDP has a total area of 13.8 square miles (35.8 kmē), of which, 13.8 square miles (35.7 kmē) of it is land and 0.17% is water.

 

 Demographics

As of the census of 2000, there were 54,994 people, 19,927 households, and 14,088 families residing in the CDP. The population density was 3,984.5 people per square mile (1,538.6/kmē). There were 20,243 housing units at an average density of 1,466.7/sq mi (566.4/kmē). The racial makeup of the CDP was 64.50% White, 5.86% African American, 0.30% Native American, 19.36% Asian Americans, 0.07% Pacific Islander, 5.94% from other races, and 3.96% from two or more races. Hispanic or Latino of any race were 14.49% of the population.

There were 19,927 households out of which 32.1% had children under the age of 18 living with them, 57.8% were married couples living together, 9.2% had a female householder with no husband present, and 29.3% were non-families. 21.8% of all households were made up of individuals and 6.8% had someone living alone who was 65 years of age or older. The average household size was 2.73 and the average family size was 3.18.

In the CDP the population was spread out with 22.6% under the age of 18, 7.4% from 18 to 24, 32.4% from 25 to 44, 25.9% from 45 to 64, and 11.8% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 95.2 males. For every 100 females age 18 and over, there were 93.3 males.

The median income for a household in the CDP was $72,561, and the median income for a family was $80,459. Males had a median income of $50,628 versus $39,360 for females. The per capita income for the community was $31,623. About 4.5% of families and 7.0% of the population were below the poverty line, including 8.9% of those under age 18 and 6.3% of those age 65 or over.