Mountain View, CA vs Ontario, CA

The cost of living difference between Mountain View, CA and Ontario, CA is dramatic. Ontario is 102.3% cheaper than Mountain View, a gap that translates to thousands of dollars per year in household expenses. Mountain View has a cost index of 288 while Ontario sits at 142, 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 Mountain View is $2,975/month compared to $1,916/month in Ontario — a 55% difference. Home values follow the same pattern: Ontario is more affordable at $568,000 median vs $1,927,400.

Median household income in Mountain View is $179,917 compared to $82,806 in Ontario (+117.3%). While Mountain View is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Mountain View spend roughly 19.8% of their income on rent, less than the 27.8% in Ontario.

Climate-wise, Ontario is notably warmer with an average of 66.8°F compared to 59.9°F in Mountain View. Mountain View receives more rainfall at 13.5" per year compared to 11.6" in Ontario.