Waldorf is an unincorporated community and census-designated place in Charles County, Maryland, United States. It is 23 miles (37 km) south-southeast of Washington, D.C. The population of the census-designated area (now including the large planned community of St. Charles) was 67,752 at the 2010 census. Waldorf was settled before 1900 as a rural crossroads with a train station and was called “Beantown” after a local family.
Waldorf is located at 38°38′46″N 76°53′54″W / 38.64611°N 76.89833°W / 38.64611; -76.89833 (38.646173, −76.898217).
According to the United States Census Bureau, the CDP has a total area of 36.5 square miles (94.5 km), of which 36.2 square miles (93.8 km) is land and 0.27 square miles (0.7 km), or 0.72%, is water.
Most of Waldorf is flat, particularly the eastern part of the city. There are small hills to the west, and much of the southern and eastern parts of the city are wetlands, featuring very diverse wildlife in ponds and streams. Waldorf is forested, mostly with oak and pine trees.
As of the census of 2000, there were 22,312 people, 7,603 households, and 5,991 families residing in the CDP. In the CDP, the population density was 1,746.0 people per square mile (674.1/km²). There were 7,827 housing units at an average density of 612.5 per square mile (236.5/km²). The racial makeup of the CDP was 61.11% White, 31.98% African American, 0.54% Native American, 2.59% Asian, 0.02% Pacific Islander, 0.88% from other races, and 2.88% from two or more races. Hispanic or Latino of any race were 2.91% of the population.
There were 7,603 households out of which 45.5% had children under the age of 18 living with them, 58.6% were married couples living together, 15.5% had a female householder with no husband present, and 21.2% were non-families. 14.8% of all households were made up of individuals and 2.2% had someone living alone who was 65 years of age or older. The average household size was 2.93 and the average family size was 3.24.
In the CDP the population was spread out with 30.6% under the age of 18, 7.5% from 18 to 24, 36.4% from 25 to 44, 20.7% from 45 to 64, and 4.8% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 94.4 males. For every 100 females age 18 and over, there were 90.8 males.
The median income for a household in the CDP was $68,869, and the median income for a family was $71,439 (these figures had risen to $86,901 and $94,432 respectively as of a 2007 estimate). Males had a median income of $45,293 versus $35,386 for females. The per capita income for the CDP was $24,728. About 2.7% of families and 4.4% of the population were below the poverty line, including 6.4% of those under age 18 and 2.2% of those age 65 or over.