Cost of Living: Chicago vs Boston (2026)

Premium market, smart picks: while the market trends above the national average, the gap between the most and least expensive cities here is wider than you'd think. Chicago at index 134 is the standout — offering meaningful savings without leaving a desirable market.

Here's Chicago by the numbers — and there's a lot to like. Cost index: 134. Rent: $2,292/month. Income: $75,134/year. Home price: $312,457. Population: 2,664,452. The strongest category is Healthcare at 107; the most expensive is Housing at 134. Translate that rent to annual numbers, and residents are costing renters $4,764 more per year vs. the national median. Even in a down market, this kind of cost structure protects household budgets. Honestly, this is the kind of city that makes you wonder why more people aren't paying attention. The numbers are right there — rent that doesn't eat your paycheck, costs that actually leave room for a life. And yet it barely shows up in the national conversation about affordable places to live. Maybe that's a good thing. Maybe that's what keeps it affordable.

Perhaps more importantly, Nationally, the 288 cities in our database average a cost index of 111, rent of $1,895/month, and household income of $80,367. The cities in this ranking challenge those benchmarks. For anyone relocating from a high-cost market, this will feel like a raise.

Bottom line: Chicago, IL leads this ranking for clear, data-backed reasons — but the "best" city depends on your priorities. Click into any city below to see the full detail page with 12-month trend charts, profession-specific salary data, and a breakdown of all five cost categories. If you're seriously considering a move, use our salary calculator to model your specific income against these numbers.