Santa Ana is 27% more expensive than Richardson.
When comparing Santa Ana, CA and Richardson, TX, the overall cost of living indices are 163 and 128 respectively (national median = 100). Rent is $150/month cheaper in Richardson, saving renters about $1,800/year.
Median household income is $7,903/year higher in Richardson. Home values also differ significantly — the median in Santa Ana is $657,800 compared to $405,600 in Richardson.
Texas has no state income tax, giving Richardson residents a significant tax advantage over California's 13.3% rate.
Santa Ana vs Richardson — common questions
Other cost of living comparisons for Santa Ana and Richardson