Lake St. Louis, MO vs St. John, MO

The cost of living difference between Lake St. Louis, MO and St. John, MO is dramatic. St. John is 48.1% cheaper than Lake St. Louis, a gap that translates to thousands of dollars per year in household expenses. Lake St. Louis has a cost index of 113 while St. John sits at 76, 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 Lake St. Louis is $1,608/month compared to $1,153/month in St. John — a 40% difference. Home values follow the same pattern: St. John is more affordable at $96,900 median vs $375,300.

Median household income in Lake St. Louis is $123,427 compared to $50,429 in St. John (+144.8%). While Lake St. Louis is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Lake St. Louis spend roughly 15.6% of their income on rent, less than the 27.4% in St. John.