City Comparison

Rockford vs St. Louis

Cost of Living Comparison · 2026

Rockford

Illinois
79
Very Affordable
$155,000
Median Home
$950/mo
Median Rent
$53,300
Median Income

St. Louis

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

The Verdict

12.2%

Living in Rockford costs 12.2% less than St. Louis. To match the purchasing power of a $75,000 salary in Rockford, you would need $85,443 in St. Louis.

Category-by-Category Breakdown

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

Housing
52
Rockford
72
St. Louis
Groceries
99
Rockford
97
St. Louis
Utilities
92
Rockford
95
St. Louis
Transportation
101
Rockford
103
St. Louis
Healthcare
106
Rockford
95
St. Louis

Salary Equivalence

A $75,000 salary in Rockford has the same purchasing power as $85,443 in St. Louis.

Conversely, $75,000 in St. Louis equals $65,833 in Rockford.

Living in Rockford vs St. Louis

Housing Costs

Rockford's housing index of 52 is lower St. Louis's 72, translating to median home prices of $155,000 vs $175,000. The $20,000 difference in home prices means roughly $1,296 per year in additional mortgage costs at current rates. Renters face a similar gap: $950/mo in Rockford compared to $1,000/mo in St. Louis, a monthly difference of $50.

Grocery & Food Costs

Grocery expenses index at 99 in Rockford and 97 in St. Louis. A household spending the national average of $475/month on groceries would pay approximately $470/month in Rockford 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 92 in Rockford and 95 in St. Louis. Monthly utility bills average approximately $368 in Rockford vs $380 in St. Louis. Utility costs are relatively comparable between these two cities.

Healthcare

Healthcare costs index at 106 in Rockford and 95 in St. Louis. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. The 11-point gap reflects real differences in provider costs, insurance market competition, and regional healthcare infrastructure.

Income & Purchasing Power

Median household income is $53,300 in Rockford and $45,782 in St. Louis. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $67,468 and $50,869 respectively. Rockford residents enjoy stronger real purchasing power despite higher nominal wages.

Relocation Considerations

Under the standard 28% rule, a median-income household can allocate $1,244/month to housing in Rockford vs $1,068/month in St. Louis. In Rockford, median rent of $950/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 Housing, where the gap is 20 index points — focus your budget analysis there.

Frequently Asked Questions

Rockford is 12.2% more affordable overall with an index of 79 vs 90.
A $75,000 salary in Rockford has equivalent purchasing power to approximately $85,443 in St. Louis, based on the cost of living difference.
Rockford's housing index is 52 with median homes at $155,000, 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