Dallas is 24% cheaper than Richardson.
When comparing Dallas, TX and Richardson, TX, the overall cost of living indices are 97 and 128 respectively (national median = 100). Rent is $422/month cheaper in Dallas, saving renters about $5,064/year.
Median household income is $28,497/year higher in Richardson. Home values also differ significantly — the median in Dallas is $295,300 compared to $405,600 in Richardson.
Both cities share the same state tax structure since they are in Texas.
Dallas vs Richardson — common questions
Other cost of living comparisons for Dallas and Richardson