Chattanooga vs St. Louis

Category-by-Category Breakdown

Index values shown. National average = 100. Lower is cheaper.

💰 Salary Equivalence

To maintain the same standard of living:

See exact take-home pay: Tennessee salaries · Missouri salaries

Living in Chattanooga vs St. Louis

Housing is typically the biggest factor in any cost-of-living comparison. Chattanooga has a housing index of 76 while St. Louis sits at 72 (national average = 100). The median home in Chattanooga costs $255,000 compared to $175,000 in St. Louis, a difference of $80,000. Monthly rent follows a similar pattern: $1,200 in Chattanooga versus $1,000 in St. Louis.

Groceries and everyday expenses show a narrower gap: Chattanooga scores 94 while St. Louis scores 97.

Healthcare costs in Chattanooga (92) are lower than St. Louis (95).

Median household income in Chattanooga is $46,054 compared to $45,782 in St. Louis. When adjusted for cost of living, purchasing power is similar in both cities.

Relocating: Chattanooga vs St. Louis

If you are considering a move between Chattanooga (index: 89) and St. Louis (index: 90), the 1% cost difference has real implications for your budget. Chattanooga is the more affordable option, but the right choice depends on your income, career opportunities, and lifestyle priorities.

Housing budget reality: Using the 28% rule (spending no more than 28% of gross income on housing), the median household in Chattanooga can afford $1,075/month, while the median household in St. Louis can afford $1,068/month. With median homes at $255,000 in Chattanooga versus $175,000 in St. Louis, both cities offer reasonable homeownership opportunities at median income.

Renting vs buying: At $1,200/month in Chattanooga and $1,000/month in St. Louis, renters face similar costs in both cities. The rent-to-own ratio in each city determines whether renting or buying offers better value for your situation.

Income adjustment: A $75,000 salary goes further in Chattanooga where costs are 11% below the national average. Before accepting a job in either city, use the salary equivalence data above to understand what you would need to earn to maintain your current standard of living.

Reading These Numbers: Chattanooga (89) vs St. Louis (90)

The cost of living index uses 100 as the national average. Chattanooga at 89 is 11% below the US average, while St. Louis at 90 is 10% below average. Both cities are relatively affordable compared to the national average.

The overall index is a weighted average of housing (the largest component), groceries, utilities, transportation, and healthcare. Housing typically drives the biggest differences between cities. Even when two cities have similar overall indices, their category-level costs can vary significantly — one city might have expensive housing but cheap groceries, while another is the reverse. Check the category breakdown above for the full picture.

For renters: With median rents of $1,200/month in Chattanooga and $1,000/month in St. Louis, the annual rent difference is approximately $2,400. Over a 5-year period, that compounds to $12,000 in savings by choosing the more affordable city.

For homebuyers: The $80,000 difference in median home prices between Chattanooga and St. Louis translates to roughly $4,800 per month in mortgage payments at current rates. Factor this into your budget alongside property taxes and insurance, which also vary by location.

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