|West Vincent Township|
|Elevation||325 ft (99.1 m)|
|Area||17.8 sq mi (46.1 km2)|
|- land||17.8 sq mi (46 km2)|
|- water||0.04 sq mi (0 km2), 0.22%|
|Density||256.6 / sq mi (99.1 / km2)|
|- summer (DST)||EDT (UTC-4)|
The Birchrunville General Store, Birchrunville Historic District, Deery Family Homestead, Nicholas East House, French Creek Farm, Robert Rooke House, and Strickland-Roberts Homestead are listed on the National Register of Historic Places.
According to the United States Census Bureau, the township has a total area of 17.8 square miles (46 km2), of which 0.04 square miles (0.10 km2), or 0.22%, is water. West Vincent Township is divided from East Vincent Township by French Creek; these two townships were combined as Vincent Township until 1832.
An interesting feature of West Vincent Township is its "missing quarter". In 1715, founder Sir Mathias Vincent and others failed to pay taxes to William Penn, who took them to court. In the end, 467 acres (1.89 km2) in southern West Vincent Township were seized and given to Upper Uwchlan Township. This is shown in modern days by Pennsylvania Route 401, which, while travelling straight, leaves this township but soon re-enters it.
As of the census of 2000, there were 3,170 people, 1,077 households, and 872 families residing in the township. The population density was 178.6 people per square mile (69.0/km²). There were 1,121 housing units at an average density of 63.2/sq mi (24.4/km²). The racial makeup of the township was 97.79% White, 0.60% African American, 0.13% Native American, 0.66% Asian, 0.03% Pacific Islander, 0.06% from other races, and 0.73% from two or more races. Hispanic or Latino of any race were 0.57% of the population.
There were 1,077 households out of which 38.8% had children under the age of 18 living with them, 73.5% were married couples living together, 4.6% had a female householder with no husband present, and 19.0% were non-families. 14.0% of all households were made up of individuals and 4.2% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.15.
In the township the population was spread out with 28.1% under the age of 18, 3.6% from 18 to 24, 29.8% from 25 to 44, 28.4% from 45 to 64, and 10.1% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 102.0 males. For every 100 females age 18 and over, there were 99.0 males.
The median income for a household in the township was $92,024, and the median income for a family was $106,223. Males had a median income of $70,670 versus $42,371 for females. The per capita income for the township was $43,500. About 3.2% of families and 6.8% of the population were below the poverty line, including 5.9% of those under age 18 and 6.8% of those age 65 or over.
Notable residents 
- Graceanna Lewis (1821-1912), American naturalist and anti-slavery activist, was born in West Vincent Township.
- "National Register Information System". National Register of Historic Places. National Park Service. 2010-07-09.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "Graceanna Lewis," National Cyclopaedia of American Biography: Volume 9. New York: James T. White and Company, 1899; pp. 447-448.
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