Richardson is 42% more expensive than Elgin.
When comparing Richardson, TX and Elgin, IL, the overall cost of living indices are 128 and 90 respectively (national median = 100). Rent is $565/month cheaper in Elgin, saving renters about $6,780/year.
Median household income is $7,941/year higher in Richardson. Home values also differ significantly — the median in Richardson is $405,600 compared to $252,400 in Elgin.
Texas has no state income tax, giving Richardson residents a significant tax advantage over Illinois's 4.95% rate.
Richardson vs Elgin — common questions
Other cost of living comparisons for Richardson and Elgin