Affton, MO vs Valley Park, MO

Affton is moderately more affordable than Valley Park, with a 14.8% lower cost of living index. Affton scores 79 compared to 93 for Valley Park, where the US average is 100. This difference means residents of Valley Park can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Affton is $978/month compared to $1,343/month in Valley Park — a 27% difference. Home values follow the same pattern: Affton is more affordable at $200,300 median vs $232,900.

Median household income in Affton is $77,337 compared to $64,470 in Valley Park (+20%). Affton offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Affton spend roughly 15.2% of their income on rent, less than the 25% in Valley Park.