Sudley is a census-designated place (CDP) in Prince William County, Virginia, United States. As of the 2010 census, Sudley comprises what in the 2000 census were the Sudley and West Gate CDPs. As of the 2020 census, Sudley had a population of 19,008.

Sudley contains the Splash Down Waterpark. Residents of Sudley are represented in the Virginia House of Delegates by Danica Roem.

Geography

Sudley is located at (38.792783, −77.498784).

According to the United States Census Bureau, the CDP has a total area of 1.6&nbsp;square miles (4.0&nbsp;km<sup>2</sup>), all land.

Demographics

2020 census

As of the 2020 census, Sudley had a population of 19,008. The median age was 32.9 years. 27.5% of residents were under the age of 18 and 9.4% of residents were 65 years of age or older. For every 100 females there were 101.9 males, and for every 100 females age 18 and over there were 102.8 males age 18 and over.

There were 5,490 households in Sudley, of which 45.1% had children under the age of 18 living in them. Of all households, 50.5% were married-couple households, 18.7% were households with a male householder and no spouse or partner present, and 24.0% were households with a female householder and no spouse or partner present. About 18.9% of all households were made up of individuals and 7.3% had someone living alone who was 65 years of age or older.

! Race !! Number !! Percent

|-

| White || 5,617 || 29.6%

|-

| Black or African American || 2,168 || 11.4%

|-

| American Indian and Alaska Native || 345 || 1.8%

|-

| Asian || 1,862 || 9.8%

|-

| Native Hawaiian and Other Pacific Islander || 13 || 0.1%

|-

| Some other race || 6,346 || 33.4%

|-

| Two or more races || 2,657 || 14.0%

|-

| Hispanic or Latino (of any race) || 9,488 || 49.9%

|}

2000 census

As of the census