What is the average cost of Living in California per month/year in 2010?

The average cost of living in a state of California is $2364 per month in 2010. The average cost of living per year is $28,375. This average includes apartment rent, utilities, gas, and groceries. The exact cost of living may vary greatly according to several factors: location, lifestyle, and family size to name a few. You must also factor in taxes, and miscellaneous expenses which are not taken into account in this average.