San Diego is 63% more expensive than Austin.
When comparing San Diego, CA and Austin, TX, the overall cost of living indices are 197 and 134 respectively (national median = 100). Rent is $568/month cheaper in Austin, saving renters about $6,816/year.
Median household income is $12,860/year higher in San Diego. Home values also differ significantly — the median in San Diego is $848,500 compared to $512,700 in Austin.
Texas has no state income tax, giving Austin residents a significant tax advantage over California's 13.3% rate.
San Diego vs Austin — common questions