McAllen is 48% cheaper than Richardson.
When comparing McAllen, TX and Richardson, TX, the overall cost of living indices are 66 and 128 respectively (national median = 100). Rent is $808/month cheaper in McAllen, saving renters about $9,696/year.
Median household income is $36,092/year higher in Richardson. Home values also differ significantly — the median in McAllen is $173,800 compared to $405,600 in Richardson.
Both cities share the same state tax structure since they are in Texas.
McAllen vs Richardson — common questions
Other cost of living comparisons for McAllen and Richardson