Houston is 31% cheaper than Richardson.
When comparing Houston, TX and Richardson, TX, the overall cost of living indices are 88 and 128 respectively (national median = 100). Rent is $512/month cheaper in Houston, saving renters about $6,144/year.
Median household income is $33,363/year higher in Richardson. Home values also differ significantly — the median in Houston is $253,400 compared to $405,600 in Richardson.
Both cities share the same state tax structure since they are in Texas.
Houston vs Richardson — common questions
Other cost of living comparisons for Houston and Richardson