Port William is located in Clinton County, OH. The population is 324, making Port William the 7th largest city in Clinton County.
There are 0 public schools in Port William with an average Homefacts rating of NA. The total crime rate for Port William is very low , and there are 3 registered sex offenders residing in the city. Unemployment in Port William is very high and the median home sales price is $0. Detailed and up-to-date Port William property reports are available for any property address.
Cities near Port William include Liberty Township, Jefferson Township and Bowersville.