Honolulu is 37% more expensive than Richardson.
When comparing Honolulu, HI and Richardson, TX, the overall cost of living indices are 175 and 128 respectively (national median = 100). Rent is comparable in both cities, with less than $50/month separating them.
Median household income is $10,829/year higher in Richardson. Home values also differ significantly — the median in Honolulu is $834,100 compared to $405,600 in Richardson.
Texas has no state income tax, giving Richardson residents a significant tax advantage over Hawaii's 11.0% rate.
Honolulu vs Richardson — common questions
Other cost of living comparisons for Honolulu and Richardson