Oakland is 20% more expensive than Santa Ana.
When comparing Oakland, CA and Santa Ana, CA, the overall cost of living indices are 195 and 163 respectively (national median = 100). Rent is $58/month cheaper in Oakland, saving renters about $696/year.
Median household income is $9,015/year higher in Oakland. Home values also differ significantly — the median in Oakland is $924,700 compared to $657,800 in Santa Ana.
Both cities share the same state tax structure since they are in California.
Oakland vs Santa Ana — common questions
Other cost of living comparisons for Oakland and Santa Ana