Signal Hill is located in California. Signal Hill, California has a population of 12,338. Signal Hill is less family-centric than the surrounding county with 23% households with children. The county percentage for households with children is 29%.
The median household income in Signal Hill, California is $78,306. The median household income for the surrounding county is $67,678 compared to the national median of $61,963. The median age of people living in Signal Hill is 38.9 years.
The average high temperature in July is 82.9 degrees, with an average low temperature in January of 46 degrees. The annual precipitation is 12.94.