According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,913.37% higher in 2026 versus 1915 (a $579,934,949.30 difference in value).
Between 1915 and 2026: Chicago experienced an average inflation rate of 3.12% per year. This rate of change indicates significant inflation. In other words, $19,905,999 in Chicago in the year 1915 would cost $599,840,948.30 in 2026 for an equivalent purchase. Compared to the overall inflation rate of 3.17% 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 1915-2026 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 $19,905,999 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 | $19,905,999.00 | 0.17% |
| 1916 | $20,502,185.33 | 3.00% |
| 1917 | $23,367,191.84 | 13.97% |
| 1918 | $27,292,085.15 | 16.80% |
| 1919 | $33,121,462.56 | 21.36% |
| 1920 | $39,447,661.91 | 19.10% |
| 1921 | $36,118,954.92 | -8.44% |
| 1922 | $34,115,106.44 | -5.55% |
| 1923 | $34,529,124.72 | 1.21% |
| 1924 | $35,208,114.70 | 1.97% |
| 1925 | $35,986,469.07 | 2.21% |
| 1926 | $36,615,776.86 | 1.75% |
| 1927 | $36,284,562.24 | -0.90% |
| 1928 | $35,158,432.51 | -3.10% |
| 1929 | $35,075,628.85 | -0.24% |
| 1930 | $34,694,732.03 | -1.09% |
| 1931 | $31,713,800.40 | -8.59% |
| 1932 | $27,987,635.87 | -11.75% |
| 1933 | $25,106,068.62 | -10.30% |
| 1934 | $25,271,675.94 | 0.66% |
| 1935 | $26,364,684.20 | 4.33% |
| 1936 | $26,894,627.60 | 2.01% |
| 1937 | $28,004,196.60 | 4.13% |
| 1938 | $27,805,467.82 | -0.71% |
| 1939 | $27,258,963.69 | -1.97% |
| 1940 | $27,408,010.27 | 0.55% |
| 1941 | $28,848,793.89 | 5.26% |
| 1942 | $31,713,800.40 | 9.93% |
| 1943 | $33,485,798.65 | 5.59% |
| 1944 | $33,999,181.32 | 1.53% |
| 1945 | $34,727,853.50 | 2.14% |
| 1946 | $37,824,710.25 | 8.92% |
| 1947 | $43,935,620.09 | 16.16% |
| 1948 | $47,761,149.01 | 8.71% |
| 1949 | $47,711,466.82 | -0.10% |
| 1950 | $48,191,728.03 | 1.01% |
| 1951 | $51,984,135.49 | 7.87% |
| 1952 | $53,110,265.22 | 2.17% |
| 1953 | $53,573,965.69 | 0.87% |
| 1954 | $54,368,880.80 | 1.48% |
| 1955 | $54,733,216.88 | 0.67% |
| 1956 | $55,495,010.52 | 1.39% |
| 1957 | $57,300,130.23 | 3.25% |
| 1958 | $59,039,007.02 | 3.03% |
| 1959 | $59,519,268.22 | 0.81% |
| 1960 | $60,347,304.79 | 1.39% |
| 1961 | $60,645,397.95 | 0.49% |
| 1962 | $61,274,705.74 | 1.04% |
| 1963 | $61,887,452.80 | 1.00% |
| 1964 | $62,135,863.77 | 0.40% |
| 1965 | $62,963,900.33 | 1.33% |
| 1966 | $64,851,823.70 | 3.00% |
| 1967 | $66,541,018.29 | 2.60% |
| 1968 | $69,356,342.61 | 4.23% |
| 1969 | $73,148,750.07 | 5.47% |
| 1970 | $77,338,615.08 | 5.73% |
| 1971 | $80,385,789.64 | 3.94% |
| 1972 | $82,671,170.56 | 2.84% |
| 1973 | $87,854,679.45 | 6.27% |
| 1974 | $97,145,249.70 | 10.57% |
| 1975 | $104,812,868.28 | 7.89% |
| 1976 | $109,830,769.86 | 4.79% |
| 1977 | $116,736,594.80 | 6.29% |
| 1978 | $126,888,323.08 | 8.70% |
| 1979 | $142,720,382.18 | 12.48% |
| 1980 | $163,305,371.16 | 14.42% |
| 1981 | $178,938,701.49 | 9.57% |
| 1982 | $191,143,960.45 | 6.82% |
| 1983 | $198,761,896.84 | 3.99% |
| 1984 | $206,263,908.11 | 3.77% |
| 1985 | $214,047,451.81 | 3.77% |
| 1986 | $218,518,849.26 | 2.09% |
| 1987 | $227,527,887.07 | 4.12% |
| 1988 | $236,420,999.77 | 3.91% |
| 1989 | $248,377,847.76 | 5.06% |
| 1990 | $261,725,797.17 | 5.37% |
| 1991 | $272,341,225.92 | 4.06% |
| 1992 | $280,323,498.40 | 2.93% |
| 1993 | $288,968,200.13 | 3.08% |
| 1994 | $295,294,399.48 | 2.19% |
| 1995 | $304,684,334.11 | 3.18% |
| 1996 | $312,832,213.90 | 2.67% |
| 1997 | $321,394,111.97 | 2.74% |
| 1998 | $327,869,357.91 | 2.01% |
| 1999 | $334,659,257.73 | 2.07% |
| 2000 | $345,407,172.33 | 3.21% |
| 2001 | $354,399,649.42 | 2.60% |
| 2002 | $360,046,858.78 | 1.59% |
| 2003 | $366,671,151.30 | 1.84% |
| 2004 | $374,868,713.28 | 2.24% |
| 2005 | $386,212,814.21 | 3.03% |
| 2006 | $394,128,843.76 | 2.05% |
| 2007 | $407,031,475.11 | 3.27% |
| 2008 | $422,369,361.99 | 3.77% |
| 2009 | $417,320,657.45 | -1.20% |
| 2010 | $423,034,772.18 | 1.37% |
| 2011 | $434,588,366.35 | 2.73% |
| 2012 | $441,187,320.95 | 1.52% |
| 2013 | $446,235,859.88 | 1.14% |
| 2014 | $454,031,161.70 | 1.75% |
| 2015 | $452,688,914.43 | -0.30% |
| 2016 | $455,688,559.69 | 0.66% |
| 2017 | $464,252,941.87 | 1.88% |
| 2018 | $472,390,719.61 | 1.75% |
| 2019 | $479,295,385.31 | 1.46% |
| 2020 | $484,645,329.55 | 1.12% |
| 2021 | $505,087,233.81 | 4.22% |
| 2022 | $543,237,196.82 | 7.55% |
| 2023 | $561,308,432.40 | 3.33% |
| 2024 | $580,735,163.84 | 3.46% |
| 2025 | $599,233,380.24 | 3.19% |
| 2026 | $599,840,948.30 | 0.10%* |
* 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 | 301.533 | 301.839 |