According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,902.60% higher in 2025 versus 1915 (a $1,174,361,856.63 difference in value).
Between 1915 and 2025: Chicago experienced an average inflation rate of 3.14% per year. This rate of change indicates significant inflation. In other words, $40,458,971 in Chicago in the year 1915 would cost $1,214,820,827.63 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 3.19% during this same period, inflation in Chicago was lower.
In the year 1915: Pricing changed by 0.17%, which is below the average yearly change in Chicago during the 1915-2025 time period. Compared to inflation for all items in 1915 (0.92%), inflation in Chicago was lower.
Below are calculations of equivalent buying power in Chicago, over time, for $40,458,971 beginning in 1915. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1915 | $40,458,971.00 | 0.17% |
| 1916 | $41,670,720.55 | 3.00% |
| 1917 | $47,493,850.32 | 13.97% |
| 1918 | $55,471,201.50 | 16.80% |
| 1919 | $67,319,419.30 | 21.36% |
| 1920 | $80,177,428.39 | 19.10% |
| 1921 | $73,411,826.75 | -8.44% |
| 1922 | $69,339,001.88 | -5.55% |
| 1923 | $70,180,494.62 | 1.21% |
| 1924 | $71,560,542.72 | 1.97% |
| 1925 | $73,142,549.07 | 2.21% |
| 1926 | $74,421,618.04 | 1.75% |
| 1927 | $73,748,423.84 | -0.90% |
| 1928 | $71,459,563.59 | -3.10% |
| 1929 | $71,291,265.04 | -0.24% |
| 1930 | $70,517,091.72 | -1.09% |
| 1931 | $64,458,343.98 | -8.59% |
| 1932 | $56,884,909.31 | -11.75% |
| 1933 | $51,028,119.83 | -10.30% |
| 1934 | $51,364,716.93 | 0.66% |
| 1935 | $53,586,257.76 | 4.33% |
| 1936 | $54,663,368.47 | 2.01% |
| 1937 | $56,918,569.02 | 4.13% |
| 1938 | $56,514,652.50 | -0.71% |
| 1939 | $55,403,882.08 | -1.97% |
| 1940 | $55,706,819.47 | 0.55% |
| 1941 | $58,635,214.21 | 5.26% |
| 1942 | $64,458,343.98 | 9.93% |
| 1943 | $68,059,932.91 | 5.59% |
| 1944 | $69,103,383.91 | 1.53% |
| 1945 | $70,584,411.14 | 2.14% |
| 1946 | $76,878,776.84 | 8.92% |
| 1947 | $89,299,209.70 | 16.16% |
| 1948 | $97,074,602.63 | 8.71% |
| 1949 | $96,973,623.50 | -0.10% |
| 1950 | $97,949,755.08 | 1.01% |
| 1951 | $105,657,828.59 | 7.87% |
| 1952 | $107,946,688.85 | 2.17% |
| 1953 | $108,889,160.72 | 0.87% |
| 1954 | $110,504,826.78 | 1.48% |
| 1955 | $111,245,340.40 | 0.67% |
| 1956 | $112,793,687.04 | 1.39% |
| 1957 | $116,462,595.39 | 3.25% |
| 1958 | $119,996,864.90 | 3.03% |
| 1959 | $120,972,996.48 | 0.81% |
| 1960 | $122,655,981.97 | 1.39% |
| 1961 | $123,261,856.74 | 0.49% |
| 1962 | $124,540,925.71 | 1.04% |
| 1963 | $125,786,334.96 | 1.00% |
| 1964 | $126,291,230.61 | 0.40% |
| 1965 | $127,974,216.09 | 1.33% |
| 1966 | $131,811,422.99 | 3.00% |
| 1967 | $135,244,713.38 | 2.60% |
| 1968 | $140,966,864.02 | 4.23% |
| 1969 | $148,674,937.53 | 5.47% |
| 1970 | $157,190,844.07 | 5.73% |
| 1971 | $163,384,230.64 | 3.94% |
| 1972 | $168,029,270.58 | 2.84% |
| 1973 | $178,564,759.70 | 6.27% |
| 1974 | $197,447,856.81 | 10.57% |
| 1975 | $213,032,302.38 | 7.89% |
| 1976 | $223,231,194.40 | 4.79% |
| 1977 | $237,267,293.33 | 6.29% |
| 1978 | $257,900,695.34 | 8.70% |
| 1979 | $290,079,377.77 | 12.48% |
| 1980 | $331,918,396.86 | 14.42% |
| 1981 | $363,693,162.77 | 9.57% |
| 1982 | $388,500,368.79 | 6.82% |
| 1983 | $403,983,835.23 | 3.99% |
| 1984 | $419,231,683.70 | 3.77% |
| 1985 | $435,051,747.23 | 3.77% |
| 1986 | $444,139,868.84 | 2.09% |
| 1987 | $462,450,750.89 | 4.12% |
| 1988 | $480,526,014.97 | 3.91% |
| 1989 | $504,828,325.34 | 5.06% |
| 1990 | $531,958,051.32 | 5.37% |
| 1991 | $553,533,925.20 | 4.06% |
| 1992 | $569,757,905.26 | 2.93% |
| 1993 | $587,328,273.69 | 3.08% |
| 1994 | $600,186,282.78 | 2.19% |
| 1995 | $619,271,338.15 | 3.18% |
| 1996 | $635,831,915.30 | 2.67% |
| 1997 | $653,233,985.19 | 2.74% |
| 1998 | $666,394,931.66 | 2.01% |
| 1999 | $680,195,412.62 | 2.07% |
| 2000 | $702,040,564.18 | 3.21% |
| 2001 | $720,317,786.52 | 2.60% |
| 2002 | $731,795,747.51 | 1.59% |
| 2003 | $745,259,631.37 | 1.84% |
| 2004 | $761,921,187.65 | 2.24% |
| 2005 | $784,978,088.76 | 3.03% |
| 2006 | $801,067,429.97 | 2.05% |
| 2007 | $827,292,046.36 | 3.27% |
| 2008 | $858,466,323.05 | 3.77% |
| 2009 | $848,204,823.97 | -1.20% |
| 2010 | $859,818,770.18 | 1.37% |
| 2011 | $883,301,466.62 | 2.73% |
| 2012 | $896,713,851.13 | 1.52% |
| 2013 | $906,975,013.61 | 1.14% |
| 2014 | $922,818,975.54 | 1.75% |
| 2015 | $920,090,856.08 | -0.30% |
| 2016 | $926,187,639.28 | 0.66% |
| 2017 | $943,594,758.13 | 1.88% |
| 2018 | $960,134,802.86 | 1.75% |
| 2019 | $974,168,545.60 | 1.46% |
| 2020 | $985,042,314.80 | 1.12% |
| 2021 | $1,026,590,514.01 | 4.22% |
| 2022 | $1,104,130,367.55 | 7.55% |
| 2023 | $1,140,860,179.31 | 3.33% |
| 2024 | $1,180,345,038.32 | 3.46% |
| 2025 | $1,214,820,827.63 | 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 |