Phoenix vs St. Petersburg Cost of Living
St. Petersburg is approximately 2.9% cheaper than Phoenix. See salary equivalence, taxes, and side-by-side breakdown.
Phoenix, AZ
St. Petersburg, FL
| Salary in Phoenix | Equivalent in St. Petersburg | Difference |
|---|---|---|
| $50,000 | $48,500 | -$1,500 (-3.0%) |
| $75,000 | $72,800 | -$2,200 (-2.9%) |
| $100,000 | $97,100 | -$2,900 (-2.9%) |
| $150,000 | $145,600 | -$4,400 (-2.9%) |
| $200,000 | $194,100 | -$5,900 (-3.0%) |
Phoenix vs St. Petersburg: which is more affordable?
On an overall cost-of-living basis, St. Petersburg is 2.9% cheaper than Phoenix. That means if you currently spend $5,000/month in Phoenix, you'd spend approximately $4,853 for the same lifestyle in St. Petersburg. Or: $100,000 in Phoenix ≈ $97,059 in St. Petersburg for equivalent purchasing power.
These multipliers are based on Bureau of Economic Analysis Regional Price Parities and reflect average housing, food, transportation, and services costs. Real personal costs vary by neighborhood (urban core vs suburb), housing choice (rent vs own, apartment vs house), and lifestyle (frequency of dining out, car-dependent vs transit, etc.).
Tax differences
Arizona has state income tax, but Florida doesn't. Moving from Phoenix to St. Petersburg eliminates state income tax — saving ~5% effective on income, or roughly $5,000/year on $100K.
What costs more (and less) in St. Petersburg
Cost of living differences are driven mostly by housing — typically the biggest expense category. St. Petersburg's housing index (0.68×) compared to Phoenix's (0.74×) is the dominant factor.
Food, groceries, and transportation typically vary 5–15% between metros — much less than housing. For a couple moving from Phoenix to St. Petersburg, expect roughly:
- Rent / mortgage: -7% lower
- Groceries: -2% lower
- Transportation: -1% lower
- Healthcare, services: roughly proportional to overall index
Things this calculator can't fully capture
- Quality-of-life: weather, walkability, school quality, crime rates, commute times — not in the index.
- Career opportunities: a metro with higher cost-of-living often pays correspondingly higher salaries for the same role. See our salary calculator by job and city.
- Family situation: childcare, school district, eldercare costs vary independently of overall index.
- Lifestyle preferences: a frugal renter pays less than the index suggests; a property owner in a hot market might pay much more.
Related tools
Phoenix Paycheck Calculator — exact take-home in Phoenix. St. Petersburg Paycheck Calculator — exact take-home in St. Petersburg. Salary Calculator — hourly ↔ annual conversion. Inflation Calculator — purchasing power over time. Mortgage Calculator — what you can afford.