According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,080.74% higher in 2025 versus 1940 (a $188,131,989.65 difference in value).
Between 1940 and 2025: Chicago experienced an average inflation rate of 3.69% per year. This rate of change indicates significant inflation. In other words, $9,041,591 in Chicago in the year 1940 would cost $197,173,580.65 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 3.75% during this same period, inflation in Chicago was lower.
In the year 1940: Pricing changed by 0.55%, which is significantly below the average yearly change in Chicago during the 1940-2025 time period. Compared to inflation for all items in 1940 (0.72%), inflation in Chicago was lower.
Below are calculations of equivalent buying power in Chicago, over time, for $9,041,591 beginning in 1940. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1940 | $9,041,591.00 | 0.55% |
| 1941 | $9,516,889.14 | 5.26% |
| 1942 | $10,462,022.21 | 9.93% |
| 1943 | $11,046,584.29 | 5.59% |
| 1944 | $11,215,943.40 | 1.53% |
| 1945 | $11,456,324.06 | 2.14% |
| 1946 | $12,477,941.90 | 8.92% |
| 1947 | $14,493,861.58 | 16.16% |
| 1948 | $15,755,860.09 | 8.71% |
| 1949 | $15,739,470.50 | -0.10% |
| 1950 | $15,897,903.21 | 1.01% |
| 1951 | $17,148,975.32 | 7.87% |
| 1952 | $17,520,472.71 | 2.17% |
| 1953 | $17,673,442.23 | 0.87% |
| 1954 | $17,935,675.68 | 1.48% |
| 1955 | $18,055,866.02 | 0.67% |
| 1956 | $18,307,173.08 | 1.39% |
| 1957 | $18,902,661.55 | 3.25% |
| 1958 | $19,476,297.23 | 3.03% |
| 1959 | $19,634,729.94 | 0.81% |
| 1960 | $19,907,889.79 | 1.39% |
| 1961 | $20,006,227.34 | 0.49% |
| 1962 | $20,213,828.82 | 1.04% |
| 1963 | $20,415,967.11 | 1.00% |
| 1964 | $20,497,915.06 | 0.40% |
| 1965 | $20,771,074.91 | 1.33% |
| 1966 | $21,393,879.37 | 3.00% |
| 1967 | $21,951,125.46 | 2.60% |
| 1968 | $22,879,868.95 | 4.23% |
| 1969 | $24,130,941.06 | 5.47% |
| 1970 | $25,513,129.89 | 5.73% |
| 1971 | $26,518,358.14 | 3.94% |
| 1972 | $27,272,279.32 | 2.84% |
| 1973 | $28,982,259.97 | 6.27% |
| 1974 | $32,047,113.48 | 10.57% |
| 1975 | $34,576,573.68 | 7.89% |
| 1976 | $36,231,922.36 | 4.79% |
| 1977 | $38,510,075.50 | 6.29% |
| 1978 | $41,859,015.25 | 8.70% |
| 1979 | $47,081,831.56 | 12.48% |
| 1980 | $53,872,585.41 | 14.42% |
| 1981 | $59,029,843.36 | 9.57% |
| 1982 | $63,056,219.53 | 6.82% |
| 1983 | $65,569,290.14 | 3.99% |
| 1984 | $68,044,118.37 | 3.77% |
| 1985 | $70,611,820.95 | 3.77% |
| 1986 | $72,086,884.14 | 2.09% |
| 1987 | $75,058,863.29 | 4.12% |
| 1988 | $77,992,600.07 | 3.91% |
| 1989 | $81,937,028.29 | 5.06% |
| 1990 | $86,340,365.05 | 5.37% |
| 1991 | $89,842,274.32 | 4.06% |
| 1992 | $92,475,535.26 | 2.93% |
| 1993 | $95,327,324.08 | 3.08% |
| 1994 | $97,414,265.33 | 2.19% |
| 1995 | $100,511,898.02 | 3.18% |
| 1996 | $103,199,790.93 | 2.67% |
| 1997 | $106,024,263.77 | 2.74% |
| 1998 | $108,160,373.79 | 2.01% |
| 1999 | $110,400,284.55 | 2.07% |
| 2000 | $113,945,899.39 | 3.21% |
| 2001 | $116,912,415.35 | 2.60% |
| 2002 | $118,775,365.52 | 1.59% |
| 2003 | $120,960,644.31 | 1.84% |
| 2004 | $123,664,926.81 | 2.24% |
| 2005 | $127,407,216.74 | 3.03% |
| 2006 | $130,018,624.90 | 2.05% |
| 2007 | $134,275,056.30 | 3.27% |
| 2008 | $139,334,850.81 | 3.77% |
| 2009 | $137,669,340.58 | -1.20% |
| 2010 | $139,554,362.07 | 1.37% |
| 2011 | $143,365,761.44 | 2.73% |
| 2012 | $145,542,681.54 | 1.52% |
| 2013 | $147,208,137.14 | 1.14% |
| 2014 | $149,779,718.59 | 1.75% |
| 2015 | $149,336,926.47 | -0.30% |
| 2016 | $150,326,475.34 | 0.66% |
| 2017 | $153,151,767.66 | 1.88% |
| 2018 | $155,836,328.02 | 1.75% |
| 2019 | $158,114,098.74 | 1.46% |
| 2020 | $159,878,984.52 | 1.12% |
| 2021 | $166,622,536.35 | 4.22% |
| 2022 | $179,207,775.43 | 7.55% |
| 2023 | $185,169,270.61 | 3.33% |
| 2024 | $191,577,928.46 | 3.46% |
| 2025 | $197,173,580.65 | 2.92%* |
* Not final. See inflation summary for latest details.
** Extended periods of 0% inflation usually indicate incomplete underlying data. This can manifest as a sharp increase in inflation later on.
Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Chicago, Illinois:
| Year | 1914 | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 1925 | 1926 | 1927 | 1928 | 1929 | 1930 | 1931 | 1932 | 1933 | 1934 | 1935 | 1936 | 1937 | 1938 | 1939 | 1940 | 1941 | 1942 | 1943 | 1944 | 1945 | 1946 | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
| CPI | 10.000 | 10.017 | 10.317 | 11.758 | 13.733 | 16.667 | 19.850 | 18.175 | 17.167 | 17.375 | 17.717 | 18.108 | 18.425 | 18.258 | 17.692 | 17.650 | 17.458 | 15.958 | 14.083 | 12.633 | 12.717 | 13.267 | 13.533 | 14.092 | 13.992 | 13.717 | 13.792 | 14.517 | 15.958 | 16.850 | 17.108 | 17.475 | 19.033 | 22.108 | 24.033 | 24.008 | 24.250 | 26.158 | 26.725 | 26.958 | 27.358 | 27.542 | 27.925 | 28.833 | 29.708 | 29.950 | 30.367 | 30.517 | 30.833 | 31.142 | 31.267 | 31.683 | 32.633 | 33.483 | 34.900 | 36.808 | 38.917 | 40.450 | 41.600 | 44.208 | 48.883 | 52.742 | 55.267 | 58.742 | 63.850 | 71.817 | 82.175 | 90.042 | 96.183 | 100.017 | 103.792 | 107.708 | 109.958 | 114.492 | 118.967 | 124.983 | 131.700 | 137.042 | 141.058 | 145.408 | 148.592 | 153.317 | 157.417 | 161.725 | 164.983 | 168.400 | 173.808 | 178.333 | 181.175 | 184.508 | 188.633 | 194.342 | 198.325 | 204.818 | 212.536 | 209.995 | 212.870 | 218.684 | 222.005 | 224.545 | 228.468 | 227.792 | 229.302 | 233.611 | 237.706 | 241.181 | 243.873 | 254.159 | 273.356 | 282.450 | 292.225 | 300.760 |