New Castle is located in Garfield County, CO. The population is 4,426, making New Castle the 5th largest city in Garfield County.
There are 4 public schools in New Castle with an average Homefacts rating of B-. The total crime rate for New Castle is very low , and there are 10 registered sex offenders residing in the city. Unemployment in New Castle is low and the median home sales price is $0. Detailed and up-to-date New Castle property reports are available for any property address.
Cities near New Castle include Chacra, Silt and Glenwood Springs.