Ballwin, MO vs St. Charles, MO

St. Charles is moderately more affordable than Ballwin, with a 13% lower cost of living index. Ballwin scores 104 compared to 92 for St. Charles, where the US average is 100. This difference means residents of Ballwin can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Ballwin is $1,386/month compared to $1,186/month in St. Charles — a 17% difference. Home values follow the same pattern: St. Charles is more affordable at $280,800 median vs $353,400.

Median household income in Ballwin is $121,170 compared to $85,522 in St. Charles (+41.7%). While Ballwin is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Ballwin spend roughly 13.7% of their income on rent, less than the 16.6% in St. Charles.