According to the United States Census Bureau, the township has a total area of 49.3 square miles (127.6 km2), of which 48.8 square miles (126.5 km2) are land and 0.42 square miles (1.1 km2), or 0.87%, are water.
As of the census[6] of 2000, there were 7,694 people, 2,887 households, and 2,225 families residing in the township. The population density was 158.1 inhabitants per square mile (61.0/km2). There were 3,036 housing units at an average density of 62.4 per square mile (24.1/km2). The racial makeup of the township was 97.05% White, 0.42% African American, 0.04% Native American, 1.83% Asian, 0.08% from other races, and 0.58% from two or more races. Hispanic or Latino of any race were 0.56% of the population.
There were 2,887 households, out of which 33.5% had children under the age of 18 living with them, 67.9% were married couples living together, 6.5% had a female householder with no husband present, and 22.9% were non-families. 19.8% of all households were made up of individuals, and 9.5% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.01.
In the township the population was spread out, with 24.0% under the age of 18, 6.0% from 18 to 24, 25.6% from 25 to 44, 28.0% from 45 to 64, and 16.5% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 96.6 males. For every 100 females age 18 and over, there were 91.3 males.
The median income for a household in the township was $49,677, and the median income for a family was $54,348. Males had a median income of $40,450 versus $27,389 for females. The per capita income for the township was $24,329. About 6.8% of families and 6.5% of the population were below the poverty line, including 9.2% of those under age 18 and 6.5% of those age 65 or over.
On December 21, 2012, at Geeseytown, a gunman, identified as 44-year-old Jeffrey Lee Michael, killed two men and a woman. The woman was shot inside the Juniata Valley Gospel Church on Juniata Valley Road, one man was shot outside his residence, and the other man was fatally shot after crashing his vehicle into Michael's pickup truck. In a gunfight with the police, three policemen were injured, and Michael was shot and killed.[10]
Notable person
Harold L. Ickes, U.S. Secretary of the Interior, was born in Frankstown Township in 1874.
^"PHMC Historical Markers Search"(Searchable database). Pennsylvania Historical and Museum Commission. Commonwealth of Pennsylvania. Retrieved January 25, 2014.
