Idaho Falls, ID vs Post Falls, ID

There is a significant gap in the cost of living between these two cities. Idaho Falls is 20.7% cheaper than Post Falls. With a cost index of 86 vs 109, the difference would have a meaningful impact on a household's monthly budget. Someone relocating from Idaho Falls to Post Falls should plan for substantially higher expenses across most categories.

On the housing front, median rent in Idaho Falls is $992/month compared to $1,313/month in Post Falls — a 24% difference. Home values follow the same pattern: Idaho Falls is more affordable at $298,600 median vs $425,100.

Median household income in Idaho Falls is $69,630 compared to $73,313 in Post Falls (-5%). Post Falls 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 Idaho Falls spend roughly 17.1% of their income on rent, less than the 21.5% in Post Falls.