Carlisle is a borough in and the county seat of Cumberland County, Pennsylvania, United States. Carlisle is located within the Cumberland Valley, a highly productive agricultural region. As of the 2020 census, the borough population was 20,118; including suburbs in the neighboring townships, 37,695 live in the Carlisle urban cluster. Carlisle is the smaller principal city of the Harrisburg–Carlisle metropolitan statistical area, which includes Cumberland and Dauphin and Perry counties in South Central Pennsylvania.
The U.S. Army War College, located at Carlisle Barracks, prepares high-level military personnel and civilians for strategic leadership responsibilities. The Carlisle Barracks ranks among the oldest U.S. Army installations and the most senior military educational institution in the United States Army. Carlisle Barracks is home of the United States Army Heritage and Education Center, an archives and museum complex open to the public. Carlisle is also home to Penn State Dickinson School of Law and Dickinson College. Dickinson College was the first college or university chartered after the United States was founded.
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History
The French-born fur trader James Le Tort may have built a cabin in the area as early as 1720. During the colonial era, Scots-Irish settlers began to settle in the Cumberland Valley beginning in the early 1730s. The settlement of Carlisle, at the intersection of several Indigenous trails, was designated by the Pennsylvania assembly and the Penn family in 1751 as the seat of Cumberland County (named for the county of the same name in England). American engineer John Armstrong Sr., a surveyor for the Penn family, laid the plan for the settlement of Carlisle in 1751. Armstrong Sr. settled there and fathered John Armstrong Jr. in 1758. They named the settlement after its sister town of the same name in Cumberland, England, and even designed its former jailhouse (which now serve as general government offices in the county) to resemble the Carlisle Citadel.
As a result of conflicts on the frontier with Native American tribes, a stockade was constructed in the settlement to protect against potential attacks in 1753. In 1755, the stockade was transformed into a fort, known as Carlisle Fort or Fort Lowther. In 1757, colonel-commandant John Stanwix, for whom Fort Stanwix in Upstate New York was named, established his headquarters in Carlisle, and was promoted to brigadier general on December 27. During the French and Indian War, the North American theater of the Seven Years' War, the largely successful Forbes Expedition was organized in Carlisle in 1758; Henry Bouquet also organized a military expedition from the settlement in 1763 during Pontiac's War.
The Pennsylvania guide, compiled by the Writers' Program of the WPA in 1940, described the early history of Carlisle's public square and the physical changes that had occurred by the first half of the 20th century, noting that the square, located at theintersection of Hanover and High Sts., is now hardly recognizable as such, for the market house, courthouse, and church have encroached on it. But in the early days its limits were clearly defined. The square was the camping ground of Indian delegations in the tense days when the French were invading the Ohio Valley, the gathering place of Revolutionary mass meetings, and the nucleus of a compact little settlement.
The settlement of Carlisle was largely supportive of the Patriot cause during the American Revolution, and numerous individuals from the settlement served in the Revolutionary War. Carlisle contains the home of lawyer James Wilson, who served as a representative to the Continental Congress; Wilson was a signer of the Declaration of Independence in addition to being one of the framers of the U.S. Constitution. The First Presbyterian Church, begun in 1757 and completed in 1770, is the oldest building in Carlisle, and was where the Rev. John Steel (known as "The Fighting Parson") gave sermons in support of the Patriot cause during the American Revolution. The church was also where Pennsylvania settlers met on July 12, 1774, to sign a document protesting the Boston Port Act. A year later Carlisle supplied a contingent for a line infantry regiment of the Continental Army. Steel was named commander of the leading company of this group when they marched from Carlisle. No longer standing but marked by a historical marker is the home of Ephraim Blaine, Commissary General of Revolutionary Army. Also, no longer standing but commemorated, is the home of Gen. John Armstrong Sr., "Hero of Kittanning," Revolutionary officer, and member of the Continental Congress. Still standing is the gun shop of Thomas Butler Sr., an Irish immigrant, who manufactured long rifles during the French and Indian War. He later became Chief Armorer for The First Continental Congress. He and his five sons served in the Revolutionary War and were known as "The Fighting Butlers." His eldest son was Richard Butler (general).
Geography
Carlisle is located slightly northeast of the center of Cumberland County at 40°12′9″N 77°11′42″W (40.202553, −77.195016) at an elevation of 479 feet (146 m). The borough lies in the Cumberland Valley, a section of the Great Appalachian Valley, to the south of Conodoguinet Creek, a tributary of the Susquehanna River. Letort Spring Run, a tributary of Conodoguinet Creek, runs north through the eastern part of the borough.
Carlisle lies in south-central Pennsylvania, southwest of the intersection of Interstate 76 (the Pennsylvania Turnpike) and Interstate 81, roughly 20 miles (32 km) west-southwest of Harrisburg, the state capital. By road, it is approximately 80 mi (130 km) northwest of Baltimore and 124 mi (200 km) west-northwest of Philadelphia. According to the United States Census Bureau, Carlisle has a total area of 5.54 square miles (14.35 km2), of which 5.53 square miles (14.33 km2) is land and 0.01 square miles (0.02 km2), or 0.14%, is water.
Climate
Carlisle has a humid continental climate (Köppen Dfa) with hot, humid summers and cool winters. The average temperature in Carlisle is 51.3 °F (10.7 °C) with temperatures exceeding 90 °F (32 °C) an average of 16 days a year and dropping below 32 °F (0 °C) an average of 119 days a year. On average, the borough receives 38.8 inches (986 mm) of precipitation annually. Snowfall averages 29.8 inches (757 mm) per year. On average, January is the coolest month, July is the warmest month, and September is the wettest month. The hottest temperature recorded in Carlisle was 102 °F (39 °C) in 1966; the coldest temperature recorded was −19 °F (−28 °C) in 1994.
Demographics
2020 census
As of the 2020 census, Carlisle had a population of 20,118. The median age was 35.5 years. 19.2% of residents were under the age of 18 and 18.2% of residents were 65 years of age or older. For every 100 females there were 90.3 males, and for every 100 females age 18 and over there were 86.8 males age 18 and over.
100.0% of residents lived in urban areas, while 0.0% lived in rural areas.
There were 8,219 households in Carlisle, of which 24.9% had children under the age of 18 living in them. Of all households, 34.7% were married-couple households, 23.8% were households with a male householder and no spouse or partner present, and 33.1% were households with a female householder and no spouse or partner present. About 39.7% of all households were made up of individuals and 14.7% had someone living alone who was 65 years of age or older.
There were 8,821 housing units, of which 6.8% were vacant. The homeowner vacancy rate was 1.8% and the rental vacancy rate was 4.8%.
2000 census
As of the census of 2000, there were 17,970 people, 7,426 households, and 4,010 families residing in the borough. The population density was 3,308.9 inhabitants per square mile (1,277.6/km2). There were 8,032 housing units at an average density of 1,479.0 per square mile (571.0/km2). The racial makeup of the borough was 88.93% White, 6.92% African American, 0.14% Native American, 1.60% Asian, 0.02% Pacific Islander, 0.71% from other races, and 1.69% from two or more races. Hispanic or Latino of any race were 1.96% of the population.
There were 7,426 households, out of which 23.3% had children under the age of 18 living with them, 40.3% were married couples living together, 10.9% had a female householder with no husband present, and 46.0% were non-families. 39.3% of all households were made up of individuals, and 14.4% had someone living alone who was 65 years of age or older. The average household size was 2.10 and the average family size was 2.81.
In the borough, the population was spread out, with 18.6% under the age of 18, 17.2% from 18 to 24, 25.3% from 25 to 44, 21.1% from 45 to 64, and 17.8% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 84.2 males. For every 100 females age 18 and over, there were 80.8 males.
The median income for a household in the borough was $33,969, and the median income for a family was $46,588. Males had a median income of $34,519 versus $25,646 for females. The per capita income for the borough was $21,394. About 8.6% of families and 14.0% of the population were below the poverty line, including 21.7% of those under age 18 and 8.5% of those age 65 or over.
Economy
The Giant Company, a regional supermarket chain operating stores in Pennsylvania, Maryland, Virginia and West Virginia under the Giant and Martin's brands is headquartered in Carlisle.
Leading industries in Carlisle's past have included Carlisle Tire and Rubber Company (founded 1917), Masland Carpets (founded 1866), and The Frog, Switch and Manufacturing. Carlisle Tire and Rubber and Masland Carpets have since gone out of business, and both plants were demolished in 2013.
Amazon.com is one of several warehouse facilities in the city. In 2013, Apple opened an AppleCare device repair facility southeast of the Interstate 81 overpass over the Pennsylvania Turnpike to cover American customers east of the Mississippi River.
Arts and culture
Carlisle is famous to many people for its car shows, put on regularly by Carlisle Events throughout the spring, summer, and fall at the Carlisle Fairgrounds. In addition to the regularly scheduled shows there are specialty shows, including the GM Nationals, the Ford Nationals, the Chrysler Nationals, the Truck Nationals, Corvettes at Carlisle, and the Import/Kit Car Nationals.
Partly because of its location at the intersection of two major trucking routes (I-81 and I-76), air pollution within the borough often falls within the range considered by the United States Environmental Protection Agency as "Unhealthy for Sensitive Groups" [i.e., children, the elderly, and people with respiratory or heart disease]. The pollutant typically involved is PM2.5, particulate matter composed of particles less than 2.5 micrometers in diameter.
The Central Pennsylvania Youth Ballet (CPYB), a ballet school and performing company known internationally for their alumni, is based in Carlisle. Students from across the country, and even across the world, come to live with host families to participate in CPYB's rigorous training.
Carlisle's Dickinson College was the site of Washington Redskins preseason training camp from 1963 to 1994 and 2001 to 2002. In 1986, cornerback Darrell Green ran the 40-yard dash in 4.09 seconds. Although the result was unofficial, it is the fastest "legitimate" time ever recorded in the 40-yard dash.
Two privately funded historical markers are located in Carlisle: one for the Hamilton Restaurant's Hot-Chee Dog and another for the Old Town Pump, which provided fresh spring water to Carlisle and "eventually became the source of a legend that claimed anyone who drank from the pump would return to Carlisle no matter how far they roamed".
Government and infrastructure
A portion of the Carlisle Barracks property is within Carlisle Borough.
Education
Colleges and universities
Dickinson College
Penn State Dickinson School of Law
United States Army War College
Public schools
Carlisle Area School District
Private schools
As reported by the National Center for Educational Statistics
Carlisle Christian Academy
Blue Ridge Mennonite School
Dickinson College Children's Center
Hidden Valley School
St Patrick School
The Christian School of Grace Baptist Church
Media
Carlisle has one daily newspaper, The Sentinel.
Radio
AM
FM
Notable people
Chief Bender, Major League Baseball Hall of Fame pitcher
Robert Callender (1726-1776), fur trader and soldier
Charles J. Albright (1816–1883), congressman from Pennsylvania
James Armstrong, congressman from Pennsylvania
John Armstrong Jr., United States Secretary of War
Upton Birnie Jr. (1877–1957), US Army major general, born in Carlisle
Deborah Birx, American physician and diplomat.
Jackson Bostwick, actor
Ashley Bouder, ballet dancer
Sid Bream, Major League Baseball player
Alice Bridges, (1916-2011), Olympic bronze medalist at age 20 in 100 m swimming event (1936 Berlin Olympics); resided in Carlisle
Nicky Broujos, soccer player
William Davidson (1783-1867), Pennsylvania State Senator for the 17th district from 1817 to 1824
Stephen Duncan, the wealthiest cotton planter in the South prior to Civil War, and second largest slave owner in the country
Cheston Lee Eshelman, inventor, aviator, manufacturer (Cheston L. Eshelman Company) and automaker (see Eshelman)
John Bannister Gibson (1780-1853), Pennsylvania jurist and state supreme court chief justice

