Honolulu vs San Diego: Cost of Living Comparison
How does the cost of living in Honolulu, Hawaii compare to San Diego, California? Below is a side-by-side breakdown of housing costs, income, wages, and taxes using official government data.
Summary: San Diego is the more affordable city overall. Housing costs are 3% higher in Honolulu compared to San Diego, while rent is 17% lower. State income tax is 11% in HI vs 13.3% in CA.
| Metric | Honolulu, HI | San Diego, CA | Diff |
|---|---|---|---|
| Housing | |||
| Median Home Value | $805,500 | $783,300 | +2.8% |
| Median Monthly Rent | $1,734 | $2,080 | -16.6% |
| Income | |||
| Median Household Income | $82,772 | $98,657 | -16.1% |
| Per Capita Income | $45,784 | $51,368 | -10.9% |
| Taxes | |||
| State Income Tax Rate | 11.0% | 13.3% | -17.3% |
| Combined Sales Tax | 4.4% | 8.7% | -48.8% |
| Demographics | |||
| Population | 348,547 | 1,383,987 | -74.8% |
Source: U.S. Census Bureau ACS 5-Year Estimates (2022), Freddie Mac Primary Mortgage Market Survey. State/local tax rates from Tax Foundation (2024).
Rent vs. Buy Calculator — Honolulu
Default home price from Census ACS median. Mortgage rate: 6.38% (Freddie Mac PMMS, March 2026). Property tax est. 1.1%, insurance est. 0.35% of home value annually.
Rent vs. Buy Calculator — San Diego
Default home price from Census ACS median. Mortgage rate: 6.38% (Freddie Mac PMMS, March 2026). Property tax est. 1.1%, insurance est. 0.35% of home value annually.
Key Takeaways
- Housing: The median home in Honolulu costs $805,500 compared to $783,300 in San Diego — a 3% premium.
- Rent: Median rent is $1,734/mo in Honolulu vs $2,080/mo in San Diego.
- Income: Median household income is $82,772 in Honolulu and $98,657 in San Diego.
- Taxes: State income tax is 11% in Hawaii vs 13.3% in California.
Methodology
This comparison uses data from the U.S. Census Bureau American Community Survey 5-Year Estimates (2022) for median household income, median home value, median gross rent, per capita income, and population. State and local tax rates are sourced from the Tax Foundation. Mortgage rates are from the Freddie Mac Primary Mortgage Market Survey (updated weekly).