Princeton is located in Mercer County, WV. The population is 6,427, making Princeton the 2nd largest city in Mercer County.
There are 14 public schools in Princeton with an average Homefacts rating of B-. The total crime rate for Princeton is moderate , and there are 97 registered sex offenders residing in the city. Unemployment in Princeton is very high and the median home sales price is $0. Detailed and up-to-date Princeton property reports are available for any property address.