According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,099.56% higher in 2026 versus 1940 (a $4,304,105,679,758.31 difference in value).
Between 1940 and 2026:Chicago experienced an average inflation rate of 3.66% per year. This rate of change indicates significant inflation. In other words, $205,000,000,000 in Chicago in the year 1940 would cost $4,509,105,679,758.31 in 2026 for an equivalent purchase. Compared to the overall inflation rate of 3.73% 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 1940-2026 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 $205,000,000,000 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 | $205,000,000,000.00 | 0.55% |
| 1941 | $215,776,435,045.32 | 5.26% |
| 1942 | $237,205,438,066.47 | 9.93% |
| 1943 | $250,459,214,501.51 | 5.59% |
| 1944 | $254,299,093,655.59 | 1.53% |
| 1945 | $259,749,244,712.99 | 2.14% |
| 1946 | $282,912,386,706.95 | 8.92% |
| 1947 | $328,619,335,347.43 | 16.16% |
| 1948 | $357,232,628,398.79 | 8.71% |
| 1949 | $356,861,027,190.33 | -0.10% |
| 1950 | $360,453,172,205.44 | 1.01% |
| 1951 | $388,818,731,117.82 | 7.87% |
| 1952 | $397,241,691,842.90 | 2.17% |
| 1953 | $400,709,969,788.52 | 0.87% |
| 1954 | $406,655,589,123.87 | 1.48% |
| 1955 | $409,380,664,652.57 | 0.67% |
| 1956 | $415,078,549,848.94 | 1.39% |
| 1957 | $428,580,060,422.96 | 3.25% |
| 1958 | $441,586,102,719.03 | 3.03% |
| 1959 | $445,178,247,734.14 | 0.81% |
| 1960 | $451,371,601,208.46 | 1.39% |
| 1961 | $453,601,208,459.21 | 0.49% |
| 1962 | $458,308,157,099.70 | 1.04% |
| 1963 | $462,891,238,670.69 | 1.00% |
| 1964 | $464,749,244,712.99 | 0.40% |
| 1965 | $470,942,598,187.31 | 1.33% |
| 1966 | $485,063,444,108.76 | 3.00% |
| 1967 | $497,697,885,196.37 | 2.60% |
| 1968 | $518,755,287,009.06 | 4.23% |
| 1969 | $547,120,845,921.45 | 5.47% |
| 1970 | $578,459,214,501.51 | 5.73% |
| 1971 | $601,250,755,287.01 | 3.94% |
| 1972 | $618,344,410,876.13 | 2.84% |
| 1973 | $657,114,803,625.38 | 6.27% |
| 1974 | $726,604,229,607.25 | 10.57% |
| 1975 | $783,954,682,779.46 | 7.89% |
| 1976 | $821,486,404,833.84 | 4.79% |
| 1977 | $873,138,972,809.67 | 6.29% |
| 1978 | $949,069,486,404.83 | 8.70% |
| 1979 | $1,067,486,404,833.84 | 12.48% |
| 1980 | $1,221,453,172,205.44 | 14.42% |
| 1981 | $1,338,383,685,800.60 | 9.57% |
| 1982 | $1,429,673,716,012.09 | 6.82% |
| 1983 | $1,486,652,567,975.83 | 3.99% |
| 1984 | $1,542,764,350,453.17 | 3.77% |
| 1985 | $1,600,981,873,111.78 | 3.77% |
| 1986 | $1,634,425,981,873.11 | 2.09% |
| 1987 | $1,701,809,667,673.72 | 4.12% |
| 1988 | $1,768,326,283,987.92 | 3.91% |
| 1989 | $1,857,758,308,157.10 | 5.06% |
| 1990 | $1,957,595,166,163.14 | 5.37% |
| 1991 | $2,036,993,957,703.93 | 4.06% |
| 1992 | $2,096,697,885,196.38 | 2.93% |
| 1993 | $2,161,356,495,468.28 | 3.08% |
| 1994 | $2,208,673,716,012.09 | 2.19% |
| 1995 | $2,278,906,344,410.88 | 3.18% |
| 1996 | $2,339,848,942,598.19 | 2.67% |
| 1997 | $2,403,888,217,522.66 | 2.74% |
| 1998 | $2,452,320,241,691.84 | 2.01% |
| 1999 | $2,503,105,740,181.27 | 2.07% |
| 2000 | $2,583,495,468,277.95 | 3.21% |
| 2001 | $2,650,755,287,009.06 | 2.60% |
| 2002 | $2,692,993,957,703.93 | 1.59% |
| 2003 | $2,742,540,785,498.49 | 1.84% |
| 2004 | $2,803,854,984,894.26 | 2.24% |
| 2005 | $2,888,703,927,492.45 | 3.03% |
| 2006 | $2,947,912,386,706.95 | 2.05% |
| 2007 | $3,044,418,459,214.50 | 3.27% |
| 2008 | $3,159,139,184,290.03 | 3.77% |
| 2009 | $3,121,377,069,486.41 | -1.20% |
| 2010 | $3,164,116,163,141.99 | 1.37% |
| 2011 | $3,250,532,024,169.18 | 2.73% |
| 2012 | $3,299,889,335,347.43 | 1.52% |
| 2013 | $3,337,650,211,480.36 | 1.14% |
| 2014 | $3,395,955,679,758.31 | 1.75% |
| 2015 | $3,385,916,253,776.43 | -0.30% |
| 2016 | $3,408,352,296,072.51 | 0.66% |
| 2017 | $3,472,410,151,057.40 | 1.88% |
| 2018 | $3,533,277,190,332.33 | 1.75% |
| 2019 | $3,584,921,087,613.29 | 1.46% |
| 2020 | $3,624,936,344,410.88 | 1.12% |
| 2021 | $3,777,832,900,302.12 | 4.22% |
| 2022 | $4,063,178,036,253.78 | 7.55% |
| 2023 | $4,198,343,021,148.04 | 3.33% |
| 2024 | $4,343,646,525,679.76 | 3.46% |
| 2025 | $4,481,541,540,785.50 | 3.17% |
| 2026 | $4,509,105,679,758.31 | 0.62%* |
* 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 | 2026 |
| 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 | 301.502 | 303.356 |