How much does it cost to live on your own in western Washington?

How much does it cost to live on your own in western Washington?

Im 20 yrs. Old and that I work and am a complete-time scholar but-don't seem to make enough for health insurance   and that I got leg issues. How can I ACQUIRE GOV. AID?.What could be my best program??
Basically have a salvage subject"I got a speeding ticket outofstate for operating more than 10 mph