St. Louis vs San Antonio
Cost of living comparison — C2ER 2024-2025 data
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San Antonio is 3% more expensive than St. Louis overall.St. Louis has a cost of living index of 88 vs San Antonio at 91 (national average = 100). The biggest difference is housing — San Antonio costs 15% less.

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St. Louis
MO
88
COLI index
VS
San Antonio
TX
91
COLI index
Category Breakdown
| Category | St. Louis | San Antonio | Difference |
|---|---|---|---|
| Overall COLI | 88 | 91 | +3% |
| Housing | 80 | 92 | +15% |
| Groceries | 101 | 102 | +1% |
| Transport | 100 | 103 | +3% |
| Healthcare | 102 | 101 | -1% |
| Utilities | 107 | 110 | +3% |
Median 1BR Rent
St. Louis
$1,050/mo
San Antonio
$1,250/mo
Median Home Price
St. Louis
$205,000
San Antonio
$245,000
Median Household Income
St. Louis
$48,438
San Antonio
$54,091
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Last updated: June 2026
Methodology: Cost of living indices from C2ER Cost of Living Index 2024-2025. Rent data from Zillow December 2024. Home price data from Zillow Home Value Index December 2024. Household income from US Census Bureau ACS 2023. National average COLI = 100. Data updated annually.