Austin is 20% more expensive than Boise.
When comparing Austin, TX and Boise, ID, the overall cost of living indices are 134 and 112 respectively (national median = 100). Rent is $296/month cheaper in Boise, saving renters about $3,552/year.
Median household income is $10,153/year higher in Austin. Home values also differ significantly — the median in Austin is $512,700 compared to $456,000 in Boise.
Texas has no state income tax, giving Austin residents a significant tax advantage over Idaho's 5.8% rate.
Austin vs Boise — common questions
Other cost of living comparisons for Austin and Boise