Cost of Living in Chicago vs Phoenix

When comparing the cost of living in Chicago, IL and Phoenix, AZ, the data shows a clear difference across all major expense categories. Chicago has a cost index of 118 while Phoenix sits at 106 — both measured against the US national average of 100.

The average 1-bedroom apartment in Chicago rents for $1,850/month, compared to $1,550/month in Phoenix. That's a 16% difference in housing costs alone — the single largest expense for most households.

Beyond rent, everyday expenses like groceries, utilities, and transportation also vary significantly. Chicago residents spend an average of $390/month on groceries, while Phoenix residents spend $345/month. Transportation costs are $105/month in Chicago versus $82/month in Phoenix.

In total, the estimated monthly cost of living in Chicago is $2,873, while Phoenix comes in at $2,455. Over a full year, that gap amounts to $5,016 — 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 15% less per month than Chicago, saving residents around $418/month or $5,016/year.

Housing is typically the biggest driver of this difference. The lower rent in Phoenix ($1,550/month) compared to Chicago ($1,850/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 Chicago and Phoenix stack up against other US cities.