Santa Ana is 7% more expensive than Ontario.
When comparing Santa Ana, CA and Ontario, CA, the overall cost of living indices are 163 and 152 respectively (national median = 100). Rent is $59/month cheaper in Ontario, saving renters about $708/year.
Median household income is $5,548/year higher in Santa Ana. Home values also differ significantly — the median in Santa Ana is $657,800 compared to $568,000 in Ontario.
Both cities share the same state tax structure since they are in California.
Santa Ana vs Ontario — common questions
Other cost of living comparisons for Santa Ana and Ontario