According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,902.60% higher in 2025 versus 1915 (a $449,902,909.73 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, $15,500,000 in Chicago in the year 1915 would cost $465,402,909.73 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 $15,500,000 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 | $15,500,000.00 | 0.17% |
| 1916 | $15,964,226.29 | 3.00% |
| 1917 | $18,195,091.51 | 13.97% |
| 1918 | $21,251,247.92 | 16.80% |
| 1919 | $25,790,349.42 | 21.36% |
| 1920 | $30,716,306.16 | 19.10% |
| 1921 | $28,124,376.04 | -8.44% |
| 1922 | $26,564,059.90 | -5.55% |
| 1923 | $26,886,439.27 | 1.21% |
| 1924 | $27,415,141.43 | 1.97% |
| 1925 | $28,021,214.64 | 2.21% |
| 1926 | $28,511,231.28 | 1.75% |
| 1927 | $28,253,327.79 | -0.90% |
| 1928 | $27,376,455.91 | -3.10% |
| 1929 | $27,311,980.03 | -0.24% |
| 1930 | $27,015,391.01 | -1.09% |
| 1931 | $24,694,259.57 | -8.59% |
| 1932 | $21,792,845.26 | -11.75% |
| 1933 | $19,549,084.86 | -10.30% |
| 1934 | $19,678,036.61 | 0.66% |
| 1935 | $20,529,118.14 | 4.33% |
| 1936 | $20,941,763.73 | 2.01% |
| 1937 | $21,805,740.43 | 4.13% |
| 1938 | $21,650,998.34 | -0.71% |
| 1939 | $21,225,457.57 | -1.97% |
| 1940 | $21,341,514.14 | 0.55% |
| 1941 | $22,463,394.34 | 5.26% |
| 1942 | $24,694,259.57 | 9.93% |
| 1943 | $26,074,043.26 | 5.59% |
| 1944 | $26,473,793.68 | 1.53% |
| 1945 | $27,041,181.36 | 2.14% |
| 1946 | $29,452,579.03 | 8.92% |
| 1947 | $34,210,898.50 | 16.16% |
| 1948 | $37,189,683.86 | 8.71% |
| 1949 | $37,150,998.34 | -0.10% |
| 1950 | $37,524,958.40 | 1.01% |
| 1951 | $40,477,953.41 | 7.87% |
| 1952 | $41,354,825.29 | 2.17% |
| 1953 | $41,715,890.18 | 0.87% |
| 1954 | $42,334,858.57 | 1.48% |
| 1955 | $42,618,552.41 | 0.67% |
| 1956 | $43,211,730.45 | 1.39% |
| 1957 | $44,617,304.49 | 3.25% |
| 1958 | $45,971,297.84 | 3.03% |
| 1959 | $46,345,257.90 | 0.81% |
| 1960 | $46,990,016.64 | 1.39% |
| 1961 | $47,222,129.78 | 0.49% |
| 1962 | $47,712,146.42 | 1.04% |
| 1963 | $48,189,267.89 | 1.00% |
| 1964 | $48,382,695.51 | 0.40% |
| 1965 | $49,027,454.24 | 1.33% |
| 1966 | $50,497,504.16 | 3.00% |
| 1967 | $51,812,811.98 | 2.60% |
| 1968 | $54,004,991.68 | 4.23% |
| 1969 | $56,957,986.69 | 5.47% |
| 1970 | $60,220,465.89 | 5.73% |
| 1971 | $62,593,178.04 | 3.94% |
| 1972 | $64,372,712.15 | 2.84% |
| 1973 | $68,408,901.83 | 6.27% |
| 1974 | $75,643,094.84 | 10.57% |
| 1975 | $81,613,560.73 | 7.89% |
| 1976 | $85,520,798.67 | 4.79% |
| 1977 | $90,898,086.52 | 6.29% |
| 1978 | $98,802,828.62 | 8.70% |
| 1979 | $111,130,615.64 | 12.48% |
| 1980 | $127,159,317.80 | 14.42% |
| 1981 | $139,332,362.73 | 9.57% |
| 1982 | $148,836,106.49 | 6.82% |
| 1983 | $154,767,886.86 | 3.99% |
| 1984 | $160,609,401.00 | 3.77% |
| 1985 | $166,670,133.11 | 3.77% |
| 1986 | $170,151,830.28 | 2.09% |
| 1987 | $177,166,805.32 | 4.12% |
| 1988 | $184,091,514.14 | 3.91% |
| 1989 | $193,401,830.28 | 5.06% |
| 1990 | $203,795,341.10 | 5.37% |
| 1991 | $212,061,148.09 | 4.06% |
| 1992 | $218,276,622.30 | 2.93% |
| 1993 | $225,007,903.49 | 3.08% |
| 1994 | $229,933,860.23 | 2.19% |
| 1995 | $237,245,424.29 | 3.18% |
| 1996 | $243,589,850.25 | 2.67% |
| 1997 | $250,256,655.57 | 2.74% |
| 1998 | $255,298,668.89 | 2.01% |
| 1999 | $260,585,690.52 | 2.07% |
| 2000 | $268,954,658.90 | 3.21% |
| 2001 | $275,956,738.77 | 2.60% |
| 2002 | $280,353,993.34 | 1.59% |
| 2003 | $285,512,063.23 | 1.84% |
| 2004 | $291,895,174.71 | 2.24% |
| 2005 | $300,728,369.38 | 3.03% |
| 2006 | $306,892,262.90 | 2.05% |
| 2007 | $316,939,022.46 | 3.27% |
| 2008 | $328,882,017.47 | 3.77% |
| 2009 | $324,950,794.51 | -1.20% |
| 2010 | $329,400,145.59 | 1.37% |
| 2011 | $338,396,464.23 | 2.73% |
| 2012 | $343,534,804.49 | 1.52% |
| 2013 | $347,465,898.50 | 1.14% |
| 2014 | $353,535,786.19 | 1.75% |
| 2015 | $352,490,632.28 | -0.30% |
| 2016 | $354,826,335.27 | 0.66% |
| 2017 | $361,495,074.88 | 1.88% |
| 2018 | $367,831,634.78 | 1.75% |
| 2019 | $373,208,019.97 | 1.46% |
| 2020 | $377,373,806.16 | 1.12% |
| 2021 | $393,291,094.01 | 4.22% |
| 2022 | $422,996,934.28 | 7.55% |
| 2023 | $437,068,277.87 | 3.33% |
| 2024 | $452,195,091.51 | 3.46% |
| 2025 | $465,402,909.73 | 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 |