Back on topic of so cal,
$9 hour for 40 hours after tax and paying health insurance your left with about $1k a month. Lets say you get lucky spend $200 in grocerys thats $800 rent around LA county is about $1000 for an apartment, 1 bedroom. So you need to room up or share a room. In LA most one bedrooms in a decent area go for $600 or more. If you throw in a wife and kid, your in poverty.
Here in so cal you got In N Out burger, a common worker starts at $12 an hour. Mcdonalds employees $9 an hour with OT. Your local bag boy at the grocery store around $10 starting with union wages after 1 year so he goes up to $11 than if he or she transfers to cashier or counter service etc they go up from $12 and more. Security guards make $15 an hour or more.