- For the township in Venango County, see Plum Township, Pennsylvania.
Oakmont Country Club
National Register of Historic Places
|Founded as Plum Township||1788|
|• Total||28.96 sq mi (75.01 km2)|
|• Land||28.58 sq mi (74.03 km2)|
|• Water||0.38 sq mi (0.98 km2) 1.34%|
| • Estimate |
|• Density||953.64/sq mi (368.20/km2)|
Plum is a borough in Allegheny County in the U.S. state of Pennsylvania. A suburb of Pittsburgh, Pennsylvania, it is located northeast of the city of Pittsburgh, in what is commonly referred to as the East Hills suburbs. The population was 27,126 at the 2010 census.
Plum is often referred to as "Plum Boro" or more correctly "Plum Borough" by locals to distinguish it from its previous status as a township. It was founded as Plum Township in 1788 and was reorganized as a borough in 1956. The borough took its name from nearby Plum Creek.
Plum Township was founded on December 18, 1788 as one of the original seven townships of Allegheny County. It originally extended as far south as Versailles (modern-day North Versailles Township), east to the county line, west to Pitt Township, and north to the Allegheny River. Plum has shrunk greatly over the years in area, but still remains among the larger municipalities in Allegheny County.
According to the United States Census Bureau, the borough has a total area of 29.0 square miles (75 km2), of which 28.6 square miles (74 km2) is land and 0.4 square miles (1.0 km2), or 1.34%, is water. Plum Borough is the second largest borough (area-wise) in the state of Pennsylvania.
- Pucketa Creek joins the Allegheny River where the creek forms the boundary between the borough of Plum and the city of Lower Burrell.
- Abers Creek
- Plum Creek rises in the borough.
- Little Plum Creek
- Monroeville (south)
- Penn Hills (west)
- Oakmont (west)
- Harmar Township (north across Allegheny River)
- Cheswick (north across Allegheny River)
- Springdale (north across Allegheny River)
- Lower Burrell (north, in Westmoreland County)
- New Kensington (north, in Westmoreland County)
- Upper Burrell Township (northeast, in Westmoreland County)
- Murrysville (east, in Westmoreland County)
As of the census of 2010, there were 27,126 people, 10,528 households, and 7,431 families residing in the borough. The population density was 935.4 people per square mile. There were 10,528 housing units at an average density of 363.0 per square mile. The racial makeup of the borough was 93.9% White, 3.6% African American, 0.1% Native American, 1.1% Asian, 0.00% Pacific Islander, 0.2% from other races, and 1.0% from two or more races. Hispanic or Latino of any race were 0.9% of the population.
There were 10,528 households, out of which 29.5% had children under the age of 18 living with them, 62.6% were married couples living together and 29.4% were non-families. 24.5% of all households were made up of individuals, and 12.6% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 3.09.
In the borough, the population was spread out, with 24.2% under the age of 20, 2.5% from 20 to 24, 24.4% from 25 to 44, 29.6% from 45 to 64, and 16.8% who were 65 years of age or older. The median age was 42.6 years. For every 100 females, there were 97.6 males.
The median income for a household in the borough was $66,680, and the median income for a family was $74,941. Males had a median income of $54,119 versus $40,625 for females. The per capita income for the borough was $30,474. About 3.8% of families and 4.8% of the population were below the poverty line, including 6.3% of those under age 18 and 3.2% of those age 65 or over.
Government and politics
Boroughs in Pennsylvania (including Plum) are governed by a Mayor-Council system; in which the mayor has only a few powers and the council is the main legislative body. As of January 2018, the mayor is Harry Schlegel The primary political party in Plum Borough is Republican.
|2016||58% 8,224||41% 5,379||1% 121|
|2012||57% 7,723||42% 5,633||1% 119|
The Plum Borough School District serves the borough grades K–12. The elementary schools (grades K–4) are Center and Pivik. The middle elementary school is Holiday Park Elementary (grades 5-6). The junior high school is A.E. Oblock Junior High School (grades 7-8) and Plum Senior High School serves grades 9–12. The latest redistricting was approved by the Plum School Board in 2018. There were once three other elementary schools, which were called Renton Elementary School, Regency Park Elementary, and the other called Adlai E. Stevenson, both have since been torn down. Plum School District is governed by the Plum School Board. 
Plum Borough is also serviced by the Plum Borough Community Library. The library houses the history room of the Allegheny Foothills Historical Society (the Historical Society also provides tours of the reconstructed Carpenter Family Log House in Boyce Park).
- Oakmont Country Club is wholly located within Plum's borders, according to Google Maps. The course has been consistently ranked as one of the five best by Golf Digest 100 Greatest Golf Courses in America. In 2007, Oakmont placed 5th by the magazine. It is one of only a few courses ranked every year in the top ten of the publication's history. The top 50 toughest courses rank Oakmont also at #5, while GolfLink.com ranks it at #3 overall. It hosted its ninth U.S. Open in 2016, the most of any course.
- The portion of the Pennsylvania Turnpike from mile markers 49 through 55 crosses through Plum.
- William D. Boyce, founder of the Boy Scouts of America
- Pat McAfee, punter for Indianapolis Colts, former punter/kicker West Virginia Mountaineers football team
- "2017 U.S. Gazetteer Files". United States Census Bureau. Retrieved Mar 24, 2019.
- "Population and Housing Unit Estimates". Retrieved March 24, 2018.
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- "Images of America: Plum Borough" Frank Kordalski, Jr. (Arcadia Publishing: 2011).
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- "Plum Creek". Geographic Names Information System. United States Geological Survey. Retrieved 2010-12-18.
- "Number of Inhabitants: Pennsylvania" (PDF). 18th Census of the United States. U.S. Census Bureau. Retrieved 22 November 2013.
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- "Annual Estimates of the Resident Population". U.S. Census Bureau. Archived from the original on 19 October 2013. Retrieved 22 November 2013.
- "What is the "Mayor/Council" system? | Plum PA". www.plumboro.com. Retrieved 2018-04-20.
- Tribune-Review. "Page Not Found". TribLIVE.com. Retrieved 2018-04-20.
- EL. "2012 Allegheny County election". Pittsburgh Tribune-Review. Retrieved 15 October 2017.
- EL. "2016 Pennsylvani general election..." Pittsburgh Post-Gazette. Retrieved 15 October 2017.
- "America's 100 Greatest Courses". Golf Digest. May 2007. Archived from the original on 2007-06-07. Retrieved 2007-06-10.
- "America's 50 Toughest Golf Courses". Golf Digest. March 2007. Archived from the original on 2013-01-11. Retrieved 2007-06-10.
- "Top 100 United States Golf Courses". Golf Link. 2007. Retrieved 2007-06-10.
- "About Unity Volunteer Fire Department". 2009. Retrieved 2009-09-12.