Lafayette, CA vs Rocklin, CA

The cost of living difference between Lafayette, CA and Rocklin, CA is dramatic. Rocklin is 83% cheaper than Lafayette, a gap that translates to thousands of dollars per year in household expenses. Lafayette has a cost index of 292 while Rocklin sits at 159, 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 Lafayette is $2,855/month compared to $2,178/month in Rocklin — a 31% difference. Home values follow the same pattern: Rocklin is more affordable at $673,300 median vs $2,000,001.

Median household income in Lafayette is $222,393 compared to $120,916 in Rocklin (+83.9%). While Lafayette is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Lafayette spend roughly 15.4% of their income on rent, less than the 21.6% in Rocklin.

Climate-wise, both cities share similar average temperatures (62°F vs 63.4°F). Rocklin receives more rainfall at 19.2" per year compared to 16.1" in Lafayette.