Cost of Living in Tempe
Tempe's cost of living reads consistently above both the national and Arizona state averages, though the exact index figures disagree sharply across sources -- from 6% to 19% above the national average depending on methodology -- and the underlying housing figures those indices use don't fully match this dataset's own sourced housing numbers.
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Learn moreA real, wide disagreement in index magnitude
Tempe's cost-of-living index is cited at 106 by one source (US average = 100), while a second cites 119 (19% above the national average), and a third cites approximately 113 (13% above). Monthly costs are cited around $2,705 for a single person and $5,956 for a family of four (a 2% increase from 2025), with living costs described as 9% higher than the U.S. national average and 55% higher than Arizona's own state average by one source -- all three index readings agree on the above-average direction but disagree meaningfully on magnitude, treated here as directional rather than precise.
A real discrepancy in the underlying housing figure driving these indices
One cost-of-living source builds its housing-index component (cited at 114) around a $400,000 median home price and $1,600/month rent figure -- both notably below the $485,000 citywide median sale price (June 2026, per housing-market) and the higher rent figures cited in renting. This is a real, disclosed discrepancy in the underlying inputs different cost-of-living indices use, not just a difference in the final index score -- treat any single cost-of-living index for Tempe as directional rather than precisely calibrated to this dataset's own sourced housing figures.
Arizona's flat 2.5% income tax is a real, current offset
Arizona levies a flat 2.5% individual income tax as of 2026 -- described by multiple sources as the lowest flat income-tax rate among US states that levy one, following a multi-year transition from a progressive structure completed in 2023. This is a real, structural offset to Tempe's above-average cost of living, though it should be weighed against Tempe's own disputed median household income figures ($79,663 versus $72,022 across two sources -- see the base record). See taxes for the fuller picture.
Key takeaways
- Cost-of-living index readings for Tempe genuinely disagree in magnitude: 106 (one source) versus 119 (19% above national, a second) versus 113 (13% above, a third) -- treat as directional, not precise.
- One cost-of-living index builds its housing component around a $400,000 median home price -- notably below Tempe's own $485,000 citywide median sale price cited elsewhere in this dataset -- a real, disclosed discrepancy.
- Arizona's flat 2.5% individual income tax (2026), the lowest flat rate among states that levy one, is a real, current offset to Tempe's above-average cost of living.
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