Hammil Valley is located in California. Hammil Valley, California has a population of 1,901.
The median household income in Hammil Valley, California is $41,489. The median household income for the surrounding county is $51,500 compared to the national median of $57,652. The median age of people living in Hammil Valley is 45 years.
The average high temperature in July is 98.4 degrees, with an average low temperature in January of 23 degrees. The average rainfall is approximately 13.3 inches per year, with 6.8 inches of snow per year.