City Comparison

Lafayette vs St. Louis

Cost of Living Comparison · 2026

Lafayette

Louisiana
90
Below Average
$214,000
Median Home
$1,100/mo
Median Rent
$61,900
Median Income

St. Louis

Missouri
90
Below Average
$175,000
Median Home
$1,000/mo
Median Rent
$45,782
Median Income

The Verdict

0.0%

Living in Lafayette costs 0.0% less than St. Louis. To match the purchasing power of a $75,000 salary in Lafayette, you would need $75,000 in St. Louis.

Category-by-Category Breakdown

Index values · National average = 100 · Lower is more affordable

Housing
73
Lafayette
72
St. Louis
Groceries
96
Lafayette
97
St. Louis
Utilities
97
Lafayette
95
St. Louis
Transportation
96
Lafayette
103
St. Louis
Healthcare
80
Lafayette
95
St. Louis

Salary Equivalence

A $75,000 salary in Lafayette has the same purchasing power as $75,000 in St. Louis.

Conversely, $75,000 in St. Louis equals $75,000 in Lafayette.

Living in Lafayette vs St. Louis

Housing Costs

Lafayette's housing index of 73 is higher St. Louis's 72, translating to median home prices of $214,000 vs $175,000. The $39,000 difference in home prices means roughly $2,532 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,100/mo in Lafayette compared to $1,000/mo in St. Louis, a monthly difference of $100.

Grocery & Food Costs

Grocery expenses index at 96 in Lafayette and 97 in St. Louis. A household spending the national average of $475/month on groceries would pay approximately $456/month in Lafayette vs $461/month in St. Louis. The difference in grocery costs between these cities is relatively minor and unlikely to be a deciding factor in relocation.

Utility Expenses

Utility costs — electricity, gas, water, internet — index at 97 in Lafayette and 95 in St. Louis. Monthly utility bills average approximately $388 in Lafayette vs $380 in St. Louis. Utility costs are relatively comparable between these two cities.

Healthcare

Healthcare costs index at 80 in Lafayette and 95 in St. Louis. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. The 15-point gap reflects real differences in provider costs, insurance market competition, and regional healthcare infrastructure.

Income & Purchasing Power

Median household income is $61,900 in Lafayette and $45,782 in St. Louis. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $68,778 and $50,869 respectively. Lafayette residents enjoy stronger real purchasing power despite higher nominal wages.

Relocation Considerations

Under the standard 28% rule, a median-income household can allocate $1,444/month to housing in Lafayette vs $1,068/month in St. Louis. In Lafayette, median rent of $1,100/mo fits within this budget. In St. Louis, median rent of $1,000/mo remains manageable. The biggest category-level difference between these two cities is Healthcare, where the gap is 15 index points — focus your budget analysis there.

Frequently Asked Questions

Lafayette is 0.0% more affordable overall with an index of 90 vs 90.
A $75,000 salary in Lafayette has equivalent purchasing power to approximately $75,000 in St. Louis, based on the cost of living difference.
Lafayette's housing index is 73 with median homes at $214,000, while St. Louis's is 72 with median homes at $175,000.

Moving & Relocation Resources

Moving PlannersFinance BooksBudget Planners

As an Amazon Associate we earn from qualifying purchases