Quick answer
Overall prices in the St. Louis, MO metro were 95.1 vs 93.1 in Louisville/Jefferson County, KY in 2024 (US = 100), so St. Louis is 2.2% more expensive than Louisville/Jefferson County; housing rents differ by 1% (79.0 vs 78.6). A $75,000 income in St. Louis buys about what $73,411 buys in Louisville/Jefferson County, per BEA.
Data as of 2024. Source: U.S. Bureau of Economic Analysis, Regional Price Parities 2024
| Price index (US = 100) | St. Louis | Louisville/Jefferson County | St. Louis vs Louisville/Jefferson County |
|---|---|---|---|
| All items | 95.1 | 93.1 | +2.2% |
| Goods | 100.0 | 96.2 | +3.9% |
| Housing (rents) | 79.0 | 78.6 | +0.6% |
| Utilities | 69.9 | 75.0 | -6.7% |
| Other services | 98.6 | 96.8 | +1.9% |
| All items, 2008 | 91.0 | 93.2 | -2.4% |
| $50,000 in St. Louis equals in Louisville/Jefferson County | $48,941 | ||
| $100,000 in St. Louis equals in Louisville/Jefferson County | $97,882 | ||
| $150,000 in St. Louis equals in Louisville/Jefferson County | $146,823 |
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Last updated 2026-10-16. Data only, not financial or tax advice.