Side-by-side cost of living comparison for 2026
Boise and Tempe have very similar costs of living, with less than a 3% difference overall.
Index values shown. National average = 100. Lower is cheaper.
To maintain the same standard of living:
See exact take-home pay: Idaho salaries · Arizona salaries
Housing is typically the biggest factor in any cost-of-living comparison. Boise has a housing index of 118 while Tempe sits at 114 (national average = 100). The median home in Boise costs $420,000 compared to $400,000 in Tempe, a difference of $20,000. Monthly rent follows a similar pattern: $1,400 in Boise versus $1,600 in Tempe.
Groceries and everyday expenses show a narrower gap: Boise scores 99 while Tempe scores 100. Both cities are close to the national average for grocery costs.
Healthcare costs in Boise (98) are higher than Tempe (95). Both are close to the national average.
Median household income in Boise is $60,818 compared to $56,068 in Tempe. When adjusted for cost of living, purchasing power is similar in both cities.
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