Clayton, CA vs San Joaquin, CA

The cost of living difference between Clayton, CA and San Joaquin, CA is dramatic. San Joaquin is 158.3% cheaper than Clayton, a gap that translates to thousands of dollars per year in household expenses. Clayton has a cost index of 231 while San Joaquin sits at 89, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Clayton is $3,501/month compared to $1,070/month in San Joaquin — a 227% difference. Home values follow the same pattern: San Joaquin is more affordable at $249,700 median vs $1,017,300.

Median household income in Clayton is $172,226 compared to $51,591 in San Joaquin (+233.8%). While Clayton is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Clayton spend roughly 24.4% of their income on rent, less than the 24.9% in San Joaquin.