Cost of Living in Seattle vs Phoenix

When comparing the cost of living in Seattle, WA and Phoenix, AZ, the data shows a clear difference across all major expense categories. Seattle has a cost index of 155 while Phoenix sits at 106 — both measured against the US national average of 100.

The average 1-bedroom apartment in Seattle rents for $2,400/month, compared to $1,550/month in Phoenix. That's a 35% difference in housing costs alone — the single largest expense for most households.

Beyond rent, everyday expenses like groceries, utilities, and transportation also vary significantly. Seattle residents spend an average of $420/month on groceries, while Phoenix residents spend $345/month. Transportation costs are $102/month in Seattle versus $82/month in Phoenix.

In total, the estimated monthly cost of living in Seattle is $3,505, while Phoenix comes in at $2,455. Over a full year, that gap amounts to $12,600 — a meaningful figure for anyone planning a relocation or comparing job offers across these two cities.

Based on current cost-of-living data, Phoenix is the more affordable option. Living in Phoenix costs approximately 30% less per month than Seattle, saving residents around $1,050/month or $12,600/year.

Housing is typically the biggest driver of this difference. The lower rent in Phoenix ($1,550/month) compared to Seattle ($2,400/month) accounts for a significant portion of the overall savings. Utilities and groceries also tend to be lower in Phoenix.

That said, cost of living is only one factor in a relocation decision. Job market conditions, salary levels, quality of life, climate, and proximity to family all play important roles. Use the calculator above to personalize these numbers based on your actual spending habits — the default figures are city averages and your individual costs may vary.

For a broader comparison, explore our City vs City Comparison Tool or check the Rent Comparison Tool to see how Seattle and Phoenix stack up against other US cities.