|Elevation||102 ft (31.1 m)|
|Area||0.5 sq mi (1.3 km2)|
|- land||0.5 sq mi (1 km2)|
|- water||0.0 sq mi (0 km2), 0%|
|Density||6,386.5 / sq mi (2,465.8 / km2)|
|- summer (DST)||EDT (UTC-4)|
Linwood is located at (39.825945, -75.422808).
According to the United States Census Bureau, the CDP has a total area of 0.5 square miles (1.3 km2), all of it land.
Linwood is a part of Chichester School District. Children within the area usually attend Linwood Elementary School (Grades K-4), Chichester Middle School (Grades 5-8), or Chichester High School (Grades 9-12). Holy Saviour St. John Fisher Elementary School (Private) is also located in this area.
As of the census of 2000, there were 3,374 people, 1,204 households, and 859 families residing in the CDP. The population density was 6,386.5 people per square mile (2,457.9/km²). There were 1,275 housing units at an average density of 2,413.4/sq mi (928.8/km²). The racial makeup of the CDP was 96.50% White, 1.81% African American, 0.15% Native American, 0.41% Asian, 0.18% from other races, and 0.95% from two or more races. Hispanic or Latino of any race were 1.33% of the population.
There were 1,204 households out of which 36.5% had children under the age of 18 living with them, 47.8% were married couples living together, 17.6% had a female householder with no husband present, and 28.6% were non-families. 23.7% of all households were made up of individuals and 8.1% had someone living alone who was 65 years of age or older. The average household size was 2.80 and the average family size was 3.32.
In the CDP the population was spread out with 29.1% under the age of 18, 8.6% from 18 to 24, 31.7% from 25 to 44, 20.0% from 45 to 64, and 10.6% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 95.1 males. For every 100 females age 18 and over, there were 90.1 males.
The median income for a household in the CDP was $39,103, and the median income for a family was $43,298. Males had a median income of $35,519 versus $23,267 for females. The per capita income for the CDP was $17,037. About 7.2% of families and 10.3% of the population were below the poverty line, including 13.1% of those under age 18 and 3.9% of those age 65 or over.
Linwood, PA Facebook page 
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.