San Diego is 4% cheaper than Orange.
When comparing San Diego, CA and Orange, CA, the overall cost of living indices are 197 and 206 respectively (national median = 100). Rent is comparable in both cities, with less than $50/month separating them.
Median household income is $12,624/year higher in Orange. Home values also differ significantly — the median in San Diego is $848,500 compared to $900,700 in Orange.
Both cities share the same state tax structure since they are in California.
San Diego vs Orange — common questions
Other cost of living comparisons for San Diego and Orange