Phoenix is 43% more expensive than Tucson.
When comparing Phoenix, AZ and Tucson, AZ, the overall cost of living indices are 109 and 76 respectively (national median = 100). Rent is $379/month cheaper in Tucson, saving renters about $4,548/year.
Median household income is $22,495/year higher in Phoenix. Home values also differ significantly — the median in Phoenix is $381,900 compared to $242,200 in Tucson.
Both cities share the same state tax structure since they are in Arizona.
Phoenix vs Tucson — common questions
Other cost of living comparisons for Phoenix and Tucson