As of the census of 2000, there were 226 people, 88 households, and 69 families residing in the township. The population density was 3.2 people per square mile. There were 457 housing units at an average density of 6.5/sq mi. The racial makeup of the township was 99.12% White, and 0.88% from two or more races. There were 88 households, out of which 26.1% had children under the age of 18 living with them, 71.6% were married couples living together, 5.7% had a female householder with no husband present, and 20.5% were non-families. 18.2% of all households were made up of individuals, and 8.0% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 2.86. In the township the population was spread out, with 22.6% under the age of 18, 3.1% from 18 to 24, 25.7% from 25 to 44, 33.6% from 45 to 64, and 15.0% who were 65 years of age or older. The median age was 44 years. For every 100 females, there were 119.4 males. For every 100 females age 18 and over, there were 116.0 males. The median income for a household in the township was $25,250, and the median income for a family was $26,250. Males had a median income of $26,667 versus $15,625 for females. The per capita income for the township was $14,068. About 2.7% of families and 6.1% of the population were below the poverty line, including 4.3% of those under the age of 18 and 8.9% of those 65 or over.
Politics and government
The Township is governed by three locally elected Township Supervisors. There is also a locally elected tax collector. In 2013, Abbott Township residents pay 55.0137 mills in property taxes. ;County level: Three elected Potter County Commissioners.
Residents of Abbott Township may attend the local, public schools operated by Galeton Area School District which provides taxpayer funded preschool and full day kindergarten through 12th grade. The District's enrollment declined to 362 students preschool through 12th grade, in 2013. Galeton Area School District ranked 409th out of 500 public schools for academic achievement of its pupils in 2013. Abbott Township residents may also apply to attend any of the Commonwealth's 13 public cyber charter schools at no additional cost to the parents. The Galeton Area School District is required to pay the charter school and cyber charter school tuition for residents who attend these public schools. By Commonwealth law, if the District provides transportation for its own students, then the District must provide transportation to any school that lies within 10 miles of its borders. Residents may also seek admission for their school aged child to any other public school district. When accepted for admission, the student's parents are responsible for paying an annual tuition fee set by the Pennsylvania Department of Education. In 2012, the tuition fees for Galeton Area School District were: Elementary School - $9,828.42, High School - $12,543.99. Seneca Highlands Intermediate Unit #9 provides a wide variety of services to children living in its region which includes Abbott Township. Early screening, special educations services, speech and hearing therapy and many other services like driver education are available. Services for children during the preschool years are provided without cost to their families when the child is determined to meet eligibility requirements.