According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,080.74% higher in 2025 versus 1940 (a $192,201,126,169.48 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, $9,237,153,000 in Chicago in the year 1940 would cost $201,438,279,169.48 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 $9,237,153,000 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 | $9,237,153,000.00 | 0.55% |
| 1941 | $9,722,731,435.65 | 5.26% |
| 1942 | $10,688,306,945.62 | 9.93% |
| 1943 | $11,285,512,607.85 | 5.59% |
| 1944 | $11,458,534,809.06 | 1.53% |
| 1945 | $11,704,114,707.55 | 2.14% |
| 1946 | $12,747,829,276.13 | 8.92% |
| 1947 | $14,807,351,606.65 | 16.16% |
| 1948 | $16,096,646,073.72 | 8.71% |
| 1949 | $16,079,901,989.73 | -0.10% |
| 1950 | $16,241,761,468.28 | 1.01% |
| 1951 | $17,519,893,212.69 | 7.87% |
| 1952 | $17,899,425,783.08 | 2.17% |
| 1953 | $18,055,703,900.30 | 0.87% |
| 1954 | $18,323,609,244.11 | 1.48% |
| 1955 | $18,446,399,193.35 | 0.67% |
| 1956 | $18,703,141,814.50 | 1.39% |
| 1957 | $19,311,510,199.40 | 3.25% |
| 1958 | $19,897,553,138.97 | 3.03% |
| 1959 | $20,059,412,617.52 | 0.81% |
| 1960 | $20,338,480,683.99 | 1.39% |
| 1961 | $20,438,945,187.92 | 0.49% |
| 1962 | $20,651,036,918.43 | 1.04% |
| 1963 | $20,857,547,287.61 | 1.00% |
| 1964 | $20,941,267,707.55 | 0.40% |
| 1965 | $21,220,335,774.02 | 1.33% |
| 1966 | $21,856,610,965.56 | 3.00% |
| 1967 | $22,425,909,821.15 | 2.60% |
| 1968 | $23,374,741,247.13 | 4.23% |
| 1969 | $24,652,872,991.54 | 5.47% |
| 1970 | $26,064,957,407.85 | 5.73% |
| 1971 | $27,091,927,892.45 | 3.94% |
| 1972 | $27,862,155,755.89 | 2.84% |
| 1973 | $29,609,121,851.96 | 6.27% |
| 1974 | $32,740,265,557.70 | 10.57% |
| 1975 | $35,324,435,853.17 | 7.89% |
| 1976 | $37,015,588,335.95 | 4.79% |
| 1977 | $39,343,016,010.27 | 6.29% |
| 1978 | $42,764,390,505.14 | 8.70% |
| 1979 | $48,100,171,935.95 | 12.48% |
| 1980 | $55,037,804,068.28 | 14.42% |
| 1981 | $60,306,609,163.14 | 9.57% |
| 1982 | $64,420,072,462.84 | 6.82% |
| 1983 | $66,987,498,674.32 | 3.99% |
| 1984 | $69,515,855,356.50 | 3.77% |
| 1985 | $72,139,095,181.27 | 3.77% |
| 1986 | $73,646,062,740.18 | 2.09% |
| 1987 | $76,682,323,303.32 | 4.12% |
| 1988 | $79,679,514,337.16 | 3.91% |
| 1989 | $83,709,257,216.92 | 5.06% |
| 1990 | $88,207,834,448.34 | 5.37% |
| 1991 | $91,785,487,060.42 | 4.06% |
| 1992 | $94,475,703,221.15 | 2.93% |
| 1993 | $97,389,173,835.05 | 3.08% |
| 1994 | $99,521,253,862.84 | 2.19% |
| 1995 | $102,685,885,736.56 | 3.18% |
| 1996 | $105,431,915,510.57 | 2.67% |
| 1997 | $108,317,479,317.82 | 2.74% |
| 1998 | $110,499,791,597.58 | 2.01% |
| 1999 | $112,788,149,742.60 | 2.07% |
| 2000 | $116,410,453,245.32 | 3.21% |
| 2001 | $119,441,132,447.13 | 2.60% |
| 2002 | $121,344,376,660.42 | 1.59% |
| 2003 | $123,576,921,192.15 | 1.84% |
| 2004 | $126,339,695,050.15 | 2.24% |
| 2005 | $130,162,927,560.73 | 3.03% |
| 2006 | $132,830,818,276.13 | 2.05% |
| 2007 | $137,179,312,701.41 | 3.27% |
| 2008 | $142,348,546,310.16 | 3.77% |
| 2009 | $140,647,012,495.31 | -1.20% |
| 2010 | $142,572,805,408.37 | 1.37% |
| 2011 | $146,466,642,139.76 | 2.73% |
| 2012 | $148,690,647,188.65 | 1.52% |
| 2013 | $150,392,125,189.89 | 1.14% |
| 2014 | $153,019,327,781.20 | 1.75% |
| 2015 | $152,566,958,445.46 | -0.30% |
| 2016 | $153,577,910,423.04 | 0.66% |
| 2017 | $156,464,311,434.49 | 1.88% |
| 2018 | $159,206,936,578.10 | 1.75% |
| 2019 | $161,533,973,557.12 | 1.46% |
| 2020 | $163,337,032,334.56 | 1.12% |
| 2021 | $170,226,441,505.00 | 4.22% |
| 2022 | $183,083,888,717.64 | 7.55% |
| 2023 | $189,174,326,013.79 | 3.33% |
| 2024 | $195,721,597,734.74 | 3.46% |
| 2025 | $201,438,279,169.48 | 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 |