Port Costa is located in California. Port Costa, California has a population of 177. Port Costa is less family-centric than the surrounding county with 15% of the households containing married families with children. The county average for households married with children is 32%.
The median household income in Port Costa, California is $122,840. The median household income for the surrounding county is $104,754 compared to the national median of $66,222. The median age of people living in Port Costa is 52.9 years.
The average high temperature in July is 87.4 degrees, with an average low temperature in January of 38.8 degrees. The average rainfall is approximately 19.58 inches per year, with inches of snow per year. No weather information available.