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Arnold, Pennsylvania
Abandoned factory along the Allegheny River
Abandoned factory along the Allegheny River
Proud City of Proud People
Location of Arnold in Westmoreland County, Pennsylvania.
Location of Arnold in Westmoreland County, Pennsylvania.
Arnold, Pennsylvania is located in Pennsylvania
Arnold, Pennsylvania
Arnold, Pennsylvania
Location in Pennsylvania
Arnold, Pennsylvania is located in the United States
Arnold, Pennsylvania
Arnold, Pennsylvania
Location in the United States
Country United States
State Pennsylvania
County Westmoreland
Settled 1781
Incorporated (borough) 1896
Incorporated (city) 1939
 • Total 0.82 sq mi (2.13 km2)
 • Land 0.73 sq mi (1.90 km2)
 • Water 0.09 sq mi (0.23 km2)
 • Total 5,157
 • Estimate 
 • Density 6,599.73/sq mi (2,548.03/km2)
Time zone UTC-5 (Eastern (EST))
 • Summer (DST) UTC-4 (EDT)
FIPS code 42-03088
Website Official website

Arnold is a city in Westmoreland County, Pennsylvania, United States, within the Pittsburgh metropolitan area. The population was 5,157 at the 2010 Census.


Present-day Westmoreland County was part of the hunting reserves of the Iroquois Indians. Americans began to penetrate the area in the 1750s, and circa 1781 Robert McCrea purchased the land on which Arnold is situated. William Jack acquired the property and later passed it on to Wilson Jack. The area around Arnold was first settled in 1852 by Major Andrew Arnold, who grew up in Kittanning. Arnold was part of New Kensington until it was separately incorporated as a borough in January 1896, and as a third-class city in 1939.


Arnold is located on the eastern shore of the Allegheny River, northeast of Pittsburgh. According to the United States Census Bureau, the city has a total area of 0.8 square miles (2.1 km2), of which 0.7 square miles (1.8 km2) is land and 0.1 square miles (0.26 km2) (6.41%) is water.


Historical population
Census Pop.
1900 1,428
1910 1,818 27.3%
1920 6,120 236.6%
1930 10,575 72.8%
1940 10,898 3.1%
1950 10,263 −5.8%
1960 9,437 −8.0%
1970 8,174 −13.4%
1980 6,853 −16.2%
1990 6,113 −10.8%
2000 5,667 −7.3%
2010 5,157 −9.0%
Est. 2019 4,831 −6.3%

As of the census of 2000, there were 5,667 people, 2,589 households, and 1,439 families residing in the city. The population density was 7,706.6 people per square mile (2,956.8/km2). There were 2,976 housing units at an average density of 4,047.1 per square mile (1,552.8/km2). The racial makeup of the city was 84.84% White, 12.76% African American, 0.18% Native American, 0.14% Asian, 0.02% Pacific Islander, 0.26% from other races, and 1.80% from two or more races. Hispanic or Latino of any race were 1.13% of the population.

There were 2,589 households, of which 23.6% had children under the age of 18 living with them, 37.5% were married couples living together, 14.4% had a female householder with no husband present, and 44.4% were non-families. 39.9% of all households were made up of individuals, and 20.7% had someone living alone who was 65 years of age or older. The average household size was 2.15 and the average family size was 2.90.

In the city, the population was spread out, with 21.6% under the age of 18, 6.9% from 18 to 24, 28.7% from 25 to 44, 20.2% from 45 to 64, and 22.6% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 86.5 males. For every 100 females age 18 and over, there were 82.9 males.

The median income for a household in the city was $26,190, and the median income for a family was $32,569. Males had a median income of $31,164 versus $23,953 for females. The per capita income for the city was $16,631. About 14.0% of families and 17.7% of the population were below the poverty line, including 30.8% of those under age 18 and 10.3% of those age 65 or over.


Notable landmarks in Arnold have included:

  • Arnold Station, established in 1867, which was Arnold’s railroad stop. It was so named because the land on which it was built was given by the Arnold Family.
  • The Chambers Glass Company, which opened in 1891, was at the time the first, best equipped, and most efficient glass plant in the country.
  • George Moore Home, which was built with 17 rooms, but has since been demolished.
  • The Morris Davis home stands across from where the George Moore home stood. Morris Davis built it very precisely, rejecting many loads of lumber if they had knotholes or any defects. It was one of the very first homes in the area that had electricity.
  • The Hartley Howard Home was another home of that time, which still stands today, serving as apartments.
  • Eiler Hall was a fashionable site for parties, dances, banquets and public shows. It is now a parking lot for city employees of the Municipal Building.
  • The Edna Hotel was named after George Moore‘s daughter Edna in the late 1800s. It was the meeting place for all of Arnold at the turn of the 20th century. The building was destroyed by a massive fire in the late 1990s and is now a vacant grass lot.
  • The John Fedan Store began as a rental for other merchants. When that did not follow through, Fedan started his own business with a small hardware store and later added a furniture and appliance store.
  • The Arnold Drug Store opened in 1898 and was also the post office location at the time.

W.R. Gott was one of the leading merchants of his time in the city. He opened his own grocery store in 1914 at the age of twenty and added appliances to his line in 1920. It was the largest electric appliance dealer in Allegheny Valley and was Tri-Boro’s leading grocery store. In 1921 he built his own store and then expanded it in 1932. In 1936, he took over the Arnold Traffic Store, which had been a general store, a meeting place, a temporary church, an office, an amateur playhouse and a nightclub became W.R. Gott’s Furniture Store. In 1973, the building was sold to Goodwill and it was later sold to Arnold Furniture, who still own it today.


The city has grown to include many family owned businesses, churches, fire departments, the Arnold Police Department, YMCA, Roosevelt Park and Arnold Chamber of Commerce..


Arnold is served by the New Kensington–Arnold School District, which includes four schools in New Kensington and Arnold: Valley Jr/Sr High School, three elementary schools. Roy A. Hunt Elementary (Arnold), H.D. Berkey School (Arnold), and Martin Elementary School (New Kensington).

The current Roy A. Hunt Elementary once served as Arnold's high school prior to the merger of the two districts. After the merge was completed it was used as Valley Middle School until the restructuring of the school district at the end of 2012, and now stands as an elementary school holding grades 3-6

Notable people

  • Clara Chiano (1921–2000), American Girls Professional Baseball League player
  • Johnny Costa (1922–1996), jazz pianist
  • Fannie Sellins (1872–1919), labor activist
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