At the 2000 census there were 17,288 people, 7,835 households, and 4,583 families living in the township. The population density was 4,350.8 people per square mile. There were 8,163 housing units at an average density of 2,054.3/sq mi. The racial makeup of the township was 91.35% White, 1.15% Black or African American, 0.08% Native American, 6.17% Asian, 0.01% Pacific Islander, 0.23% from other races, and 1.01% from two or more races. Hispanic or Latino of any race were 0.68%. There were 7,835 households, 22.5% had children under the age of 18 living with them, 48.3% were married couplesliving together, 7.6% had a female householder with no husband present, and 41.5% were non-families. 36.8% of households were made up of individuals, and 14.7% were one person aged 65 or older. The average household size was 2.14 and the average family size was 2.83. The age distribution was 18.6% under the age of 18, 5.2% from 18 to 24, 31.6% from 25 to 44, 22.5% from 45 to 64, and 22.1% 65 or older. The median age was 42 years. For every 100 females there were 88.9 males. For every 100 females age 18 and over, there were 84.7 males. The median household income was $44,434 and the median family income was $54,716. Males had a median income of $42,095 versus $31,499 for females. The per capita income for the township was $24,439. About 4.5% of families and 7.2% of the population were below the poverty line, including 8.1% of those under age 18 and 8.6% of those age 65 or over.
Government and Politics
Taxes
School tax millage rate- The Chartiers Valley School District in 2017 was 16.61. This ranked 42nd highest/most expensive out of Allegheny County's 45 school districts . In 2012, it was 19.88. Earned Income Tax- 1% in 2012. This is one of the lowest rates in the surrounding area. Pittsburgh is currently at 3%. Mt. Lebanon and Upper St. Clair are currently at 1.3%. Municipality- 5.0000 in 2012 County Taxes- 5.6900 in 2012
Education
Scott Township is served by the Chartiers Valley School District.
Events
Until 2015, the world's largest pinball tournament, Pinburgh, was held in Scott Township at the PAPA facility. In 2015, the tournament was moved to the David L. Lawrence Convention Center in downtown Pittsburgh. The Professional and Amateur Pinball Association, still headquartered in Scott Township, manages Pinburgh, along with the World Pinball Championships.