Janesville, CA vs San Martin, CA

The cost of living difference between Janesville, CA and San Martin, CA is dramatic. Janesville is 52.6% cheaper than San Martin, a gap that translates to thousands of dollars per year in household expenses. Janesville has a cost index of 103 while San Martin sits at 218, 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 Janesville is $1,365/month compared to $2,332/month in San Martin — a 42% difference. Home values follow the same pattern: Janesville is more affordable at $289,400 median vs $1,315,900.

Median household income in Janesville is $70,938 compared to $156,292 in San Martin (-54.6%). While San Martin is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Janesville spend roughly 23.1% of their income on rent, more than the 17.9% in San Martin.

Climate-wise, both cities share similar average temperatures (55°F vs 57.2°F). San Martin receives more rainfall at 22.4" per year compared to 7.4" in Janesville.