CUURS23ASA0=CPI_U("S23A")
Inflation in Chicago-Naperville-Elgin, IL-IN-WI
Consumer prices in Chicago-Naperville-Elgin, IL-IN-WI: the annual inflation rate since 1991 and the monthly index. Area code S23A in the BLS CPI program.
BLS CPI-U · metro areaLatest: September 2026
12 months to September 2026+2.9%US +3.7% to September 2026
Annual average, 2025+3.1%US +2.6%
A year since 2020+4.3%compound average
Index, September 2026313.4base 1982–84 = 100
Chicago-Naperville-Elgin, IL-IN-WIUS city average
| Year | Annual average CPI | Inflation | US | Gap, pt | |
|---|---|---|---|---|---|
| 2025 | 301.2 | +3.1% | +2.6% | +0.5 pt | |
| 2024 | 292.2 | +3.5% | +2.9% | +0.5 pt | |
| 2023 | 282.4 | +3.3% | +4.1% | −0.8 pt | |
| 2022 | 273.4 | +7.6% | +8.0% | −0.4 pt | |
| 2021 | 254.2 | +4.2% | +4.7% | −0.5 pt | |
| 2020 | 243.9 | +1.1% | +1.2% | −0.1 pt | |
| 2019 | 241.2 | +1.5% | +1.8% | −0.4 pt | |
| 2018 | 237.7 | +1.8% | +2.4% | −0.7 pt | |
| 2017 | 233.6 | +1.9% | +2.1% | −0.3 pt | |
| 2016 | 229.3 | +0.7% | +1.3% | −0.6 pt | |
| 2015 | 227.8 | −0.3% | +0.1% | −0.4 pt | |
| 2014 | 228.5 | +1.7% | +1.6% | +0.1 pt | |
| 2013 | 224.5 | +1.1% | +1.5% | −0.3 pt | |
| 2012 | 222.0 | +1.5% | +2.1% | −0.6 pt | |
| 2011 | 218.7 | +2.7% | +3.2% | −0.4 pt | |
| 2010 | 212.9 | +1.4% | +1.6% | −0.3 pt | |
| 2009 | 210.0 | −1.2% | −0.4% | −0.8 pt | |
| 2008 | 212.5 | +3.8% | +3.8% | −0.1 pt | |
| 2007 | 204.8 | +3.3% | +2.8% | +0.4 pt | |
| 2006 | 198.3 | +2.1% | +3.2% | −1.2 pt | |
| 2005 | 194.3 | +3.0% | +3.4% | −0.4 pt | |
| 2004 | 188.6 | +2.2% | +2.7% | −0.4 pt | |
| 2003 | 184.5 | +1.8% | +2.3% | −0.5 pt | |
| 2002 | 181.2 | +1.6% | +1.6% | 0.0 pt | |
| 2001 | 178.3 | +2.6% | +2.8% | −0.3 pt | |
| 2000 | 173.8 | +3.2% | +3.4% | −0.2 pt | |
| 1999 | 168.4 | +2.1% | +2.2% | −0.1 pt | |
| 1998 | 165.0 | +2.0% | +1.6% | +0.5 pt | |
| 1997 | 161.7 | +2.7% | +2.3% | +0.4 pt | |
| 1996 | 157.4 | +2.7% | +3.0% | −0.3 pt | |
| 1995 | 153.3 | +3.2% | +2.8% | +0.3 pt | |
| 1994 | 148.6 | +2.2% | +2.6% | −0.4 pt | |
| 1993 | 145.4 | +3.0% | +3.0% | +0.1 pt | |
| 1992 | 141.1 | +3.0% | +3.0% | 0.0 pt | |
| 1991 | 137.0 | +4.0% | +4.2% | −0.2 pt |
BLS CPI-U, all items, not seasonally adjusted; annual averages as published (period M13).