12 months to August 2026+2.9%US +3.7% to September 2026
Annual average, 2025+2.4%US +2.6%
A year since 2020+4.6%compound average
Index, August 2026302.7base 1982–84 = 100
St. Louis, MO-ILUS city average
| Year | Annual average CPI | Inflation | US | Gap, pt | |
|---|---|---|---|---|---|
| 2025 | 291.0 | +2.4% | +2.6% | −0.3 pt | |
| 2024 | 284.3 | +3.3% | +2.9% | +0.4 pt | |
| 2023 | 275.1 | +3.8% | +4.1% | −0.3 pt | |
| 2022 | 264.9 | +7.8% | +8.0% | −0.2 pt | |
| 2021 | 245.8 | +5.5% | +4.7% | +0.8 pt | |
| 2020 | 232.9 | +0.7% | +1.2% | −0.5 pt | |
| 2019 | 231.2 | +1.0% | +1.8% | −0.8 pt | |
| 2018 | 228.9 | +53.0% | +2.4% | +50.5 pt | |
| 1996 | 149.6 | +3.0% | +3.0% | +0.1 pt | |
| 1995 | 145.2 | +2.8% | +2.8% | −0.1 pt | |
| 1994 | 141.3 | +2.8% | +2.6% | +0.2 pt | |
| 1993 | 137.5 | +2.1% | +3.0% | −0.9 pt | |
| 1992 | 134.7 | +2.0% | +3.0% | −1.0 pt | |
| 1991 | 132.1 | +3.1% | +4.2% | −1.1 pt |
BLS CPI-U, all items, not seasonally adjusted; annual averages as published (period M13).