Single income, Alameda county ( Fremont ), family of 4 No car payment, No credit card debt, 130k will let you live and eat with a bit of room to go do things once a month. If you have a car payment and or credit cards kiss that once a month thing goodbye 150k will let you have a car and do things Source : I left that area recently
As a counterpoint, my family of 3 is living in San Bruno (San Mateo county, on the peninsula) on a budget of $50k[1], and enjoying life immensely. We do without a lot of things that other people probably take for granted, but it's by choice, not necessity. And even within that limited budget we can afford some great perks that most of humanity can only dream about, like a reliable car for getting around town and the…
That or you live on the streets