Seattle vs St. Petersburg Cost of Living
St. Petersburg is approximately 16.1% cheaper than Seattle. See salary equivalence, taxes, and side-by-side breakdown.
Seattle, WA
St. Petersburg, FL
| Salary in Seattle | Equivalent in St. Petersburg | Difference |
|---|---|---|
| $50,000 | $41,900 | -$8,100 (-16.2%) |
| $75,000 | $62,900 | -$12,100 (-16.1%) |
| $100,000 | $83,900 | -$16,100 (-16.1%) |
| $150,000 | $125,800 | -$24,200 (-16.1%) |
| $200,000 | $167,800 | -$32,200 (-16.1%) |
Seattle vs St. Petersburg: which is more affordable?
On an overall cost-of-living basis, St. Petersburg is 16.1% cheaper than Seattle. That means if you currently spend $5,000/month in Seattle, you'd spend approximately $4,195 for the same lifestyle in St. Petersburg. Or: $100,000 in Seattle ≈ $83,898 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
Both Washington and Florida have no state income tax — the move doesn't change your state tax burden.
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 Seattle's (1.02×) is the dominant factor.
Food, groceries, and transportation typically vary 5–15% between metros — much less than housing. For a couple moving from Seattle to St. Petersburg, expect roughly:
- Rent / mortgage: -33% lower
- Groceries: -10% lower
- Transportation: -8% 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
Seattle Paycheck Calculator — exact take-home in Seattle. 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.