Richardson is 7% cheaper than Allen.
When comparing Richardson, TX and Allen, TX, the overall cost of living indices are 128 and 137 respectively (national median = 100). Rent is $52/month cheaper in Richardson, saving renters about $624/year.
Median household income is $32,873/year higher in Allen. Home values also differ significantly — the median in Richardson is $405,600 compared to $429,900 in Allen.
Both cities share the same state tax structure since they are in Texas.
Richardson vs Allen — common questions
Other cost of living comparisons for Richardson and Allen