Idaho Falls, ID vs Lewiston, ID

Idaho Falls, ID and Lewiston, ID have a very similar cost of living, with only a 3.9% difference in their overall index. Idaho Falls scores 86 while Lewiston scores 83 on the cost of living index, where 100 represents the national average. The day-to-day expenses for residents in both cities are comparable, though differences emerge when looking at specific categories.

On the housing front, median rent in Idaho Falls is $992/month compared to $938/month in Lewiston — a 6% difference. Home values follow the same pattern: Lewiston is more affordable at $290,900 median vs $298,600.

Median household income in Idaho Falls is $69,630 compared to $71,047 in Lewiston (-2%). Lewiston offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Idaho Falls spend roughly 17.1% of their income on rent, more than the 15.8% in Lewiston.