Fairfield, ID vs Sun Valley, ID

The cost of living difference between Fairfield, ID and Sun Valley, ID is dramatic. Fairfield is 51.6% cheaper than Sun Valley, a gap that translates to thousands of dollars per year in household expenses. Fairfield has a cost index of 80 while Sun Valley sits at 166, 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 Fairfield is $1,050/month compared to $2,114/month in Sun Valley — a 50% difference. Home values follow the same pattern: Fairfield is more affordable at $195,200 median vs $845,600.

Median household income in Fairfield is $77,917 compared to $82,045 in Sun Valley (-5%). Sun Valley does offer higher incomes, but the salary premium barely offsets the higher cost of living, leaving residents with a tighter budget. Looking at affordability, residents of Fairfield spend roughly 16.2% of their income on rent, less than the 30.9% in Sun Valley. The Fairfield ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.