|Elevation||98 ft (29.9 m)|
|Area||1.2 sq mi (3.1 km2)|
|- land||1.2 sq mi (3 km2)|
|- water||0.0 sq mi (0 km2), 0%|
|Density||4,236.1 / sq mi (1,635.6 / km2)|
|- summer (DST)||EDT (UTC-4)|
Boothwyn is located at (39.835115, -75.444507).
According to the United States Census Bureau, the CDP has a total area of 1.2 square miles (3.1 km2), all of it land.
Boothwyn, Reliance, and Ogden fire companies are located in Boothwyn, PA.
Boothwyn is a part of Chichester School District. Children within the area usually attend Boothwyn Elementary School or Hilltop School (Grades K-4), Chichester Middle School (Grades 5-8), or Chichester High School (Grades 9-12).
As of the census of 2000, there were 5,206 people, 2,047 households, and 1,367 families residing in the CDP. The population density was 4,236.1 people per square mile (1,634.2/km²). There were 2,126 housing units at an average density of 1,729.9/sq mi (667.4/km²). The racial makeup of the CDP was 90.70% White, 6.13% African American, 0.10% Native American, 1.67% Asian, 0.02% Pacific Islander, 0.40% from other races, and 0.98% from two or more races. Hispanic or Latino of any race were 1.11% of the population.
There were 2,047 households out of which 29.0% had children under the age of 18 living with them, 49.6% were married couples living together, 12.7% had a female householder with no husband present, and 33.2% were non-families. 26.4% of all households were made up of individuals and 9.2% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 3.12.
In the CDP the population was spread out with 22.7% under the age of 18, 9.0% from 18 to 24, 31.8% from 25 to 44, 23.7% from 45 to 64, and 12.8% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 91.6 males. For every 100 females age 18 and over, there were 89.3 males.
The median income for a household in the CDP was $46,433, and the median income for a family was $60,096. Males had a median income of $41,793 versus $29,962 for females. The per capita income for the CDP was $23,811. About 6.7% of families and 6.2% of the population were below the poverty line, including 9.2% of those under age 18 and 7.1% of those age 65 or over.