According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,902.60% higher in 2025 versus 1915 (a $1,210,383,957,154.74 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, $41,700,000,000 in Chicago in the year 1915 would cost $1,252,083,957,154.74 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 $41,700,000,000 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 | $41,700,000,000.00 | 0.17% |
| 1916 | $42,948,918,469.22 | 3.00% |
| 1917 | $48,950,665,557.40 | 13.97% |
| 1918 | $57,172,712,146.42 | 16.80% |
| 1919 | $69,384,359,401.00 | 21.36% |
| 1920 | $82,636,772,046.59 | 19.10% |
| 1921 | $75,663,643,926.79 | -8.44% |
| 1922 | $71,465,890,183.03 | -5.55% |
| 1923 | $72,333,194,675.54 | 1.21% |
| 1924 | $73,755,574,043.26 | 1.97% |
| 1925 | $75,386,106,489.18 | 2.21% |
| 1926 | $76,704,409,317.80 | 1.75% |
| 1927 | $76,010,565,723.79 | -0.90% |
| 1928 | $73,651,497,504.16 | -3.10% |
| 1929 | $73,478,036,605.66 | -0.24% |
| 1930 | $72,680,116,472.55 | -1.09% |
| 1931 | $66,435,524,126.46 | -8.59% |
| 1932 | $58,629,783,693.84 | -11.75% |
| 1933 | $52,593,344,425.96 | -10.30% |
| 1934 | $52,940,266,222.96 | 0.66% |
| 1935 | $55,229,950,083.19 | 4.33% |
| 1936 | $56,340,099,833.61 | 2.01% |
| 1937 | $58,664,475,873.54 | 4.13% |
| 1938 | $58,248,169,717.14 | -0.71% |
| 1939 | $57,103,327,787.02 | -1.97% |
| 1940 | $57,415,557,404.33 | 0.55% |
| 1941 | $60,433,777,038.27 | 5.26% |
| 1942 | $66,435,524,126.46 | 9.93% |
| 1943 | $70,147,587,354.41 | 5.59% |
| 1944 | $71,223,044,925.12 | 1.53% |
| 1945 | $72,749,500,831.95 | 2.14% |
| 1946 | $79,236,938,435.94 | 8.92% |
| 1947 | $92,038,352,745.42 | 16.16% |
| 1948 | $100,052,246,256.24 | 8.71% |
| 1949 | $99,948,169,717.14 | -0.10% |
| 1950 | $100,954,242,928.45 | 1.01% |
| 1951 | $108,898,752,079.87 | 7.87% |
| 1952 | $111,257,820,299.50 | 2.17% |
| 1953 | $112,229,201,331.11 | 0.87% |
| 1954 | $113,894,425,956.74 | 1.48% |
| 1955 | $114,657,653,910.15 | 0.67% |
| 1956 | $116,253,494,176.37 | 1.39% |
| 1957 | $120,034,941,763.73 | 3.25% |
| 1958 | $123,677,620,632.28 | 3.03% |
| 1959 | $124,683,693,843.59 | 0.81% |
| 1960 | $126,418,302,828.62 | 1.39% |
| 1961 | $127,042,762,063.23 | 0.49% |
| 1962 | $128,361,064,891.85 | 1.04% |
| 1963 | $129,644,675,540.77 | 1.00% |
| 1964 | $130,165,058,236.27 | 0.40% |
| 1965 | $131,899,667,221.30 | 1.33% |
| 1966 | $135,854,575,707.15 | 3.00% |
| 1967 | $139,393,178,036.61 | 2.60% |
| 1968 | $145,290,848,585.69 | 4.23% |
| 1969 | $153,235,357,737.10 | 5.47% |
| 1970 | $162,012,479,201.33 | 5.73% |
| 1971 | $168,395,840,266.22 | 3.94% |
| 1972 | $173,183,361,064.89 | 2.84% |
| 1973 | $184,042,013,311.15 | 6.27% |
| 1974 | $203,504,326,123.13 | 10.57% |
| 1975 | $219,566,805,324.46 | 7.89% |
| 1976 | $230,078,535,773.71 | 4.79% |
| 1977 | $244,545,174,708.82 | 6.29% |
| 1978 | $265,811,480,865.22 | 8.70% |
| 1979 | $298,977,204,658.90 | 12.48% |
| 1980 | $342,099,584,026.62 | 14.42% |
| 1981 | $374,849,001,663.89 | 9.57% |
| 1982 | $400,417,138,103.16 | 6.82% |
| 1983 | $416,375,540,765.39 | 3.99% |
| 1984 | $432,091,098,169.72 | 3.77% |
| 1985 | $448,396,422,628.95 | 3.77% |
| 1986 | $457,763,311,148.09 | 2.09% |
| 1987 | $476,635,856,905.16 | 4.12% |
| 1988 | $495,265,557,404.33 | 3.91% |
| 1989 | $520,313,311,148.09 | 5.06% |
| 1990 | $548,275,207,986.69 | 5.37% |
| 1991 | $570,512,895,174.71 | 4.06% |
| 1992 | $587,234,525,790.35 | 2.93% |
| 1993 | $605,343,843,594.01 | 3.08% |
| 1994 | $618,596,256,239.60 | 2.19% |
| 1995 | $638,266,722,129.78 | 3.18% |
| 1996 | $655,335,274,542.43 | 2.67% |
| 1997 | $673,271,131,447.59 | 2.74% |
| 1998 | $686,835,773,710.48 | 2.01% |
| 1999 | $701,059,567,387.69 | 2.07% |
| 2000 | $723,574,792,013.31 | 3.21% |
| 2001 | $742,412,645,590.68 | 2.60% |
| 2002 | $754,242,678,868.55 | 1.59% |
| 2003 | $768,119,550,748.75 | 1.84% |
| 2004 | $785,292,179,700.50 | 2.24% |
| 2005 | $809,056,322,795.34 | 3.03% |
| 2006 | $825,639,184,692.18 | 2.05% |
| 2007 | $852,668,208,818.64 | 3.27% |
| 2008 | $884,798,717,970.05 | 3.77% |
| 2009 | $874,222,460,066.56 | -1.20% |
| 2010 | $886,192,649,750.42 | 1.37% |
| 2011 | $910,395,648,918.47 | 2.73% |
| 2012 | $924,219,441,763.73 | 1.52% |
| 2013 | $934,795,352,745.42 | 1.14% |
| 2014 | $951,125,308,652.25 | 1.75% |
| 2015 | $948,313,507,487.52 | -0.30% |
| 2016 | $954,597,301,996.67 | 0.66% |
| 2017 | $972,538,362,728.79 | 1.88% |
| 2018 | $989,585,752,911.81 | 1.75% |
| 2019 | $1,004,049,963,394.34 | 1.46% |
| 2020 | $1,015,257,272,046.59 | 1.12% |
| 2021 | $1,058,079,910,981.70 | 4.22% |
| 2022 | $1,137,998,203,826.96 | 7.55% |
| 2023 | $1,175,854,657,237.94 | 3.33% |
| 2024 | $1,216,550,665,557.40 | 3.46% |
| 2025 | $1,252,083,957,154.74 | 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 |