Winthrop is located in Kennebec County, ME. The population is , making Winthrop the 5th largest city in Kennebec County.
There are 3 public schools in Winthrop with an average Homefacts rating of A. The total crime rate for Winthrop is low , and there are 12 registered sex offenders residing in the city. Unemployment in Winthrop is low and the median home sales price is $0. Detailed and up-to-date Winthrop property reports are available for any property address.