Affton, MO vs Brentwood, MO

There is a significant gap in the cost of living between these two cities. Affton is 18.8% cheaper than Brentwood. With a cost index of 79 vs 98, the difference would have a meaningful impact on a household's monthly budget. Someone relocating from Affton to Brentwood should plan for substantially higher expenses across most categories.

On the housing front, median rent in Affton is $978/month compared to $1,380/month in Brentwood — a 29% difference. Home values follow the same pattern: Affton is more affordable at $200,300 median vs $276,100.

Median household income in Affton is $77,337 compared to $86,641 in Brentwood (-10.7%). The higher salaries in Brentwood partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Affton spend roughly 15.2% of their income on rent, less than the 19.1% in Brentwood.