Newcastle is located in California. Newcastle, California has a population of 1,261. Newcastle is less family-centric than the surrounding county with 18.82% of the households containing married families with children. The county average for households married with children is 35.29%.
The median household income in Newcastle, California is $38,194. The median household income for the surrounding county is $80,488 compared to the national median of $57,652. The median age of people living in Newcastle is 50.4 years.
The average high temperature in July is 91.7 degrees, with an average low temperature in January of 37.8 degrees. The average rainfall is approximately 41.5 inches per year, with 0.9 inches of snow per year.
