Cost of Living: San Francisco vs Washington (2026)

Here's the thing: 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. San Francisco at index 224 is the standout — offering meaningful savings without leaving a desirable market (we double-checked this one). The definition of value.

A closer look at San Francisco: the cost index of 224 breaks down to a Healthcare index of 125 (strongest category) and a Housing index of 224 (weakest). Median rent is $3,830/month — 102% above the national median — while household income sits at $141,446, meaning locals spend about 32% of income on rent. That exceeds the recommended 30% threshold — affordability here depends on earning above the median. No gimmicks — just good numbers.

Worth noting: Nationally, the 288 cities in our database average a cost index of 111 — we had to double-check this one — , rent of $1,895/month, and household income of $80,367. And in practical terms, the cities in this ranking challenge those benchmarks. This is the type of edge you don't see advertised.

Bottom line: San Francisco, CA leads this ranking for clear, data-backed reasons — but the "best" city depends on your priorities. And broadly, that's a reasonable number. 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.