Seattle vs San Diego
Cost of living comparison — C2ER 2024-2025 data
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San Diego is 9% more expensive than Seattle overall.Seattle has a cost of living index of 150 vs San Diego at 163 (national average = 100). The biggest difference is utilities — San Diego costs 36% less.

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Seattle
WA
150
COLI index
VS
San Diego
CA
163
COLI index
Category Breakdown
| Category | Seattle | San Diego | Difference |
|---|---|---|---|
| Overall COLI | 150 | 163 | +9% |
| Housing | 248 | 295 | +19% |
| Groceries | 111 | 113 | +2% |
| Transport | 114 | 114 | Same |
| Healthcare | 107 | 106 | -1% |
| Utilities | 89 | 121 | +36% |
Median 1BR Rent
Seattle
$2,100/mo
San Diego
$2,350/mo
Median Home Price
Seattle
$755,000
San Diego
$870,000
Median Household Income
Seattle
$105,391
San Diego
$83,454
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Last updated: June 2026
Methodology: Cost of living indices from C2ER Cost of Living Index 2024-2025. Rent data from Zillow December 2024. Home price data from Zillow Home Value Index December 2024. Household income from US Census Bureau ACS 2023. National average COLI = 100. Data updated annually.