Arnold is located in Westmoreland County, PA. The population is 5,150, making Arnold the 9th largest city in Westmoreland County.
There are 2 public schools in Arnold with an average Homefacts rating of C-. The total crime rate for Arnold is moderate , and there are 11 registered sex offenders residing in the city. Unemployment in Arnold is very high and the median home sales price is $0. Detailed and up-to-date Arnold property reports are available for any property address.
Cities near Arnold include New Kensington, East Deer Township and Tarentum.