Cost of Living Comparison Between Seattle, WA and Saint Petersburg, FL
For one person, living is cheaper in Saint Petersburg, FL: $3,044 a month against $3,744 in Seattle, WA, rent and utilities included – about $8,400 less a year. Rent and utilities account for about half of the difference.
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Seattle, WA Living Index184Cost of Living Index in Seattle, WALearn more -
Saint Petersburg, FL Living Index146Cost of Living Index in Saint Petersburg, FLLearn more
How much you'll spend in Seattle, WA and in Saint Petersburg, FL
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Seattle, WA and in Saint Petersburg, FL actually costs, broken down by who's living it.
A single person spends $3,744 per month in Seattle, WA vs $3,044 in Saint Petersburg, FL, rent included.
- Seattle, WA $3,744
- Saint Petersburg, FL $3,044
A couple spends around $5,703 per month in Seattle, WA vs $4,409 in Saint Petersburg, FL, rent included.
- Seattle, WA $5,703
- Saint Petersburg, FL $4,409
A family of three spends $7,661 per month in Seattle, WA vs $5,774 in Saint Petersburg, FL, rent included.
- Seattle, WA $7,661
- Saint Petersburg, FL $5,774
Seattle, WA costs about 23% more than Saint Petersburg, FL, and outside of rent the biggest gap is in eating out.
Both Seattle, WA and Saint Petersburg, FL sit above the global median – Seattle, WA by 179%, Saint Petersburg, FL by 127%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Seattle, WA: October 6, 2026
Last update for Saint Petersburg, FL: October 3, 2026
Cost Breakdown
A central one-bedroom costs $2,407 in Seattle, WA versus $1,927 in Saint Petersburg, FL. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.
Salaries run about 52% higher in Seattle, WA, which partly offsets the higher cost of living there. Purchasing power depends on which expenses matter most to you.
A mid-range dinner for two costs $99.0 in Seattle, WA versus $81.0 in Saint Petersburg, FL. Monthly groceries follow the same trend: $541 vs $461 – making Saint Petersburg, FL the more affordable choice for daily food spending.
- Seattle, WA Saint Petersburg, FL 4,070 km ≈ 6 h nonstop flight
- Seattle, WA
- Saint Petersburg, FL
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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