Affton, MO vs Bonne Terre, MO

The cost of living difference between Affton, MO and Bonne Terre, MO is dramatic. Bonne Terre is 30.4% cheaper than Affton, a gap that translates to thousands of dollars per year in household expenses. Affton has a cost index of 79 while Bonne Terre sits at 61, 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 Affton is $978/month compared to $585/month in Bonne Terre — a 67% difference. Home values follow the same pattern: Bonne Terre is more affordable at $120,400 median vs $200,300.

Median household income in Affton is $77,337 compared to $39,767 in Bonne Terre (+94.5%). While Affton is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Affton spend roughly 15.2% of their income on rent, less than the 17.7% in Bonne Terre.