Newcastle is located in California. Newcastle, California has a population of 1,505. Newcastle is less family-centric than the surrounding county with 21.16% of the households containing married families with children. The county average for households married with children is 34.43%.
The median household income in Newcastle, California is $93,500. The median household income for the surrounding county is $99,734 compared to the national median of $69,021. The median age of people living in Newcastle is 40.9 years.
The average high temperature in July is 93.4 degrees, with an average low temperature in January of 38.5 degrees. The average rainfall is approximately 32.1 inches per year, with 0.4 inches of snow per year.
