By Ziv Shay | Updated April 2026
Side-by-side cost of living comparison for 2026
Median Income: $44,046
Population: 542,629
Median Income: $83,454
Population: 1,423,851
When comparing Tucson and San Diego, the overall cost of living differs by 91.9%. San Diego carries a cost index of 165 compared to Tucson's 86, meaning your dollar stretches 48% further in Tucson.
Housing is where the most significant gap appears between these two cities. Tucson has a housing index of 78 compared to San Diego's 210. This 132-point difference translates to substantial monthly savings on rent or mortgage payments in Tucson.
Tucson is more affordable for: Housing, Food & Groceries, Transportation, Healthcare, Utilities, Entertainment, Taxes.
If you earn $60,000 in Tucson, you would need $115,116 in San Diego to maintain the same standard of living. For a $100,000 salary, the equivalent would be $191,860.
The median household income in Tucson is $44,046 compared to $83,454 in San Diego. San Diego has higher incomes, though the higher cost of living may offset this advantage.
Safety: Tucson scores 5/10 while San Diego scores 7/10 in our safety assessment.
Weather: San Diego enjoys better weather with a score of 10/10 versus Tucson's 7/10.
Job Market: San Diego has the stronger job market (7/10) compared to Tucson (5/10).
Tucson is the more affordable option overall, but cost is just one factor in deciding where to live. Consider your career opportunities, family needs, and lifestyle preferences alongside the financial comparison. San Diego may justify its higher costs with excellent weather that many residents find worthwhile.
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