Gilbert is 16% more expensive than Richardson.
When comparing Gilbert, AZ and Richardson, TX, the overall cost of living indices are 148 and 128 respectively (national median = 100). Rent is $203/month cheaper in Richardson, saving renters about $2,436/year.
Median household income is $25,094/year higher in Gilbert. Home values also differ significantly — the median in Gilbert is $518,600 compared to $405,600 in Richardson.
Texas has no state income tax, giving Richardson residents a significant tax advantage over Arizona's 2.5% rate.
Gilbert vs Richardson — common questions
Other cost of living comparisons for Gilbert and Richardson