Buffalo Township, Union County, Pennsylvania
Buffalo Township is a township in Union County, Pennsylvania, United States.  The population was 3,536 at the 2020 census.

History
The Buffalo Presbyterian Church was added to the National Register of Historic Places in 1976.

Geography
According to the United States Census Bureau, the township has a total area of , all  land.

Buffalo Township is bordered by White Deer Township to the north, Kelly Township to the east and north, Lewisburg to the east, East Buffalo Township to the south and east, Limestone Township to the south and west, and West Buffalo Township to the west.

Demographics

As of the census of 2000, there were 3,207 people, 1,166 households, and 895 families residing in the township.  The population density was .  There were 1,215 housing units at an average density of .  The racial makeup of the township was 97.85% White, 0.56% African American, 0.09% Native American, 0.25% Asian, 0.03% Pacific Islander, 0.37% from other races, and 0.84% from two or more races. Hispanic or Latino of any race were 0.97% of the population.

There were 1,166 households, out of which 35.1% had children under the age of 18 living with them, 66.6% were married couples living together, 7.0% had a female householder with no husband present, and 23.2% were non-families. 21.0% of all households were made up of individuals, and 10.5% had someone living alone who was 65 years of age or older.  The average household size was 2.73 and the average family size was 3.18.

In the township the population was spread out, with 29.2% under the age of 18, 7.1% from 18 to 24, 26.5% from 25 to 44, 22.4% from 45 to 64, and 14.8% who were 65 years of age or older.  The median age was 36 years. For every 100 females, there were 103.7 males.  For every 100 females age 18 and over, there were 94.8 males.

The median income for a household in the township was $37,539, and the median income for a family was $42,222. Males had a median income of $31,121 versus $21,315 for females. The per capita income for the township was $18,764.  About 8.4% of families and 10.5% of the population were below the poverty line, including 16.1% of those under age 18 and 6.6% of those age 65 or over.

Villages
Buffalo Crossroads
Cameron
Cowan
Mazeppa
Vicksburg

References

Populated places established in 1770
Townships in Union County, Pennsylvania
Townships in Pennsylvania
1770 establishments in Pennsylvania