Rochester is located in Strafford County, NH. The population is 29,820, making Rochester the 2nd largest city in Strafford County and the 5th largest city in the state of New Hampshire.
There are 11 public schools in Rochester with an average Homefacts rating of C-. The total crime rate for Rochester is moderate , and there are 94 registered sex offenders residing in the city. Unemployment in Rochester is low and the median home sales price is $0. Detailed and up-to-date Rochester property reports are available for any property address.