|• Total||0.8 sq mi (2.2 km2)|
|• Land||0.8 sq mi (2.2 km2)|
|• Density||510/sq mi (200/km2)|
|Time zone||Eastern (EST) (UTC-5)|
|• Summer (DST)||EDT (UTC-4)|
Branchdale is located at (40.670453, -76.321152).
According to the United States Census Bureau, the CDP has a total area of 0.9 square miles (2.3 km2), all of it land.
As of the census of 2000, there were 436 people, 185 households, and 113 families residing in the CDP. The population density was 513.7 people per square mile (198.0/km²). There were 204 housing units at an average density of 240.4/sq mi (92.7/km²). The racial makeup of the CDP was 99.54% White, and 0.46% from two or more races. Hispanic or Latino of any race were 0.46% of the population.
There were 185 households out of which 28.1% had children under the age of 18 living with them, 47.6% were married couples living together, 11.9% had a female householder with no husband present, and 38.9% were non-families. 34.1% of all households were made up of individuals and 19.5% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 3.04.
In the CDP, the population was spread out with 24.5% under the age of 18, 6.9% from 18 to 24, 28.9% from 25 to 44, 19.3% from 45 to 64, and 20.4% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 89.6 males. For every 100 females age 18 and over, there were 83.8 males.
The median income for a household in the CDP was $27,321, and the median income for a family was $36,563. Males had a median income of $31,944 versus $21,563 for females. The per capita income for the CDP was $14,378. About 5.7% of families and 12.0% of the population were below the poverty line, including 14.6% of those under age 18 and 8.8% of those age 65 or over.