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Crunching costs, sorting signals, rendering insights.
Crunching costs, sorting signals, rendering insights.
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 Diego at index 169 is the standout — offering meaningful savings without leaving a desirable market.
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 Diego at index 169 is the standout — offering meaningful savings without leaving a desirable market.
Here's San Diego by the numbers — and there's a lot to like. Cost index: 169. Rent: $2,893/month. Income: $104,321/year. Home price: $989,768. Population: 1,388,320. The strongest category is Healthcare at 114; the most expensive is Housing at 169. Translate that rent to annual numbers, and residents are costing renters $11,976 more per year vs. the national median. That kind of value just doesn't show up in expensive metros.
The ranking uses a composite of 2026 data from Census Bureau population/income surveys, Zillow rent and home price indices, BLS salary benchmarks, and Tax Foundation tax rates. San Diego (index 169, rent $2,893); Tucson (index 82, rent $1,399). Each city profile below links to the full detail page with 12-month trends, salary breakdowns, and cost category comparisons.
Put differently: 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. That's the sort of advantage that turns renters into homeowners.
If you're ready to act on this, three things to do next: 1) Click into the city pages for the top 3 and check rent trends — direction matters more than the snapshot. And from what we can tell, 2) Run your income through the salary calculator for a personalized cost comparison. 3) Compare your top two picks head-to-head on our comparison page. The data is here; the decision is yours (not adjusted for inflation, but still telling).
#1 Ranked: San Diego, CA — cost index 169, rent $2,893/mo, income $104,321
1 of 2 cities come in below the national cost-of-living average of 111
Data sourced from Census Bureau, Zillow, BLS, and Tax Foundation — current as of 2026
| Rank | City | Cost Index | Median Rent | |
|---|---|---|---|---|
| 1 | San DiegoCA | 169 | $2,893 | Details |
| 2 | TucsonAZ | 82 | $1,399 | Details |
1,388,320 residents · California
The #1 spot goes to San Diego, and the breakdown explains why. Renters here pay $2,893/month — costing renters $11,976 more per year compared to the national average. Meanwhile, Healthcare is the standout at index 114, keeping costs manageable. The weak spot? Housing at 169. The 33% rent-to-income ratio is a pressure point — for median earners, housing takes more than recommended. Solidly above average.
547,239 residents · Arizona
Here's Tucson by the numbers — and there's a lot to like (and a little to watch). Cost index: 82. Rent: $1,399/month. Income: $54,546/year. Home price: $321,688. Population: 547,239. The strongest category is Housing at 82; the most expensive is Healthcare at 96. Translate that rent to annual numbers, and residents are saving renters $5,952 per year vs. the national median. That kind of value just doesn't show up in expensive metros.
Our cost of living index uses real Zillow rent data as the foundation, indexed to 100 (national median). Sub-categories (housing, food, transport, utilities, healthcare) are derived from the overall index with regional adjustments. Data is updated monthly.
San Diego (ranked #1) has a cost index of 169 and rent of $2,893/mo, while Tucson (ranked #2) has a cost index of 82 and rent of $1,399/mo — a 87-point difference in cost of living.
City data is refreshed monthly from Census Bureau population estimates, Zillow rent and home price indices, BLS salary data, and Tax Foundation tax rates. Last updated: 2026.
The median 1-bedroom rent in San Diego is $2,893/month as of 2026, based on Zillow's Observed Rent Index. This is $998 above the national median of $1,895/month.
The median home price in San Diego is $989,768, which is 9.5× the local median income. Most median-income households would stretch to buy at this ratio. The national median home price is $467,370.
This ranking was generated using data current as of early 2026. Population and income data comes from the Census Bureau's American Community Survey (5-year estimates). Rent and home price data is from Zillow's monthly releases. Tax rates are from the Tax Foundation's 2025 edition. Rankings are refreshed monthly.