Port Costa is located in Contra Costa County, CA. The population is 361.
There are 0 public schools in Port Costa with an average Homefacts rating of NA. The total crime rate for Port Costa is low , and there are 0 registered sex offenders residing in the city. Unemployment in Port Costa is moderate and the median home sales price is $0. Detailed and up-to-date Port Costa property reports are available for any property address.