According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,902.60% higher in 2025 versus 1915 (a $31,491,435,969.29 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, $1,084,939,099 in Chicago in the year 1915 would cost $32,576,375,068.29 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 $1,084,939,099 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 | $1,084,939,099.00 | 0.17% |
| 1916 | $1,117,433,115.28 | 3.00% |
| 1917 | $1,273,584,915.71 | 13.97% |
| 1918 | $1,487,503,856.20 | 16.80% |
| 1919 | $1,805,223,126.46 | 21.36% |
| 1920 | $2,150,020,743.61 | 19.10% |
| 1921 | $1,968,595,819.40 | -8.44% |
| 1922 | $1,859,379,820.25 | -5.55% |
| 1923 | $1,881,945,109.33 | 1.21% |
| 1924 | $1,918,952,183.42 | 1.97% |
| 1925 | $1,961,374,926.89 | 2.21% |
| 1926 | $1,995,674,166.30 | 1.75% |
| 1927 | $1,977,621,935.03 | -0.90% |
| 1928 | $1,916,244,348.73 | -3.10% |
| 1929 | $1,911,731,290.92 | -0.24% |
| 1930 | $1,890,971,224.96 | -1.09% |
| 1931 | $1,728,501,143.58 | -8.59% |
| 1932 | $1,525,413,541.86 | -11.75% |
| 1933 | $1,368,359,129.85 | -10.30% |
| 1934 | $1,377,385,245.49 | 0.66% |
| 1935 | $1,436,957,608.66 | 4.33% |
| 1936 | $1,465,841,178.68 | 2.01% |
| 1937 | $1,526,316,153.42 | 4.13% |
| 1938 | $1,515,484,814.66 | -0.71% |
| 1939 | $1,485,698,633.07 | -1.97% |
| 1940 | $1,493,822,137.14 | 0.55% |
| 1941 | $1,572,349,343.14 | 5.26% |
| 1942 | $1,728,501,143.58 | 9.93% |
| 1943 | $1,825,080,580.85 | 5.59% |
| 1944 | $1,853,061,539.31 | 1.53% |
| 1945 | $1,892,776,448.09 | 2.14% |
| 1946 | $2,061,564,810.41 | 8.92% |
| 1947 | $2,394,628,477.24 | 16.16% |
| 1948 | $2,603,131,748.35 | 8.71% |
| 1949 | $2,600,423,913.66 | -0.10% |
| 1950 | $2,626,599,648.99 | 1.01% |
| 1951 | $2,833,297,696.97 | 7.87% |
| 1952 | $2,894,675,283.27 | 2.17% |
| 1953 | $2,919,948,407.04 | 0.87% |
| 1954 | $2,963,273,762.08 | 1.48% |
| 1955 | $2,983,131,216.47 | 0.67% |
| 1956 | $3,024,651,348.38 | 1.39% |
| 1957 | $3,123,036,008.77 | 3.25% |
| 1958 | $3,217,810,222.91 | 3.03% |
| 1959 | $3,243,985,958.24 | 0.81% |
| 1960 | $3,289,116,536.40 | 1.39% |
| 1961 | $3,305,363,544.54 | 0.49% |
| 1962 | $3,339,662,783.94 | 1.04% |
| 1963 | $3,373,059,411.78 | 1.00% |
| 1964 | $3,386,598,585.23 | 0.40% |
| 1965 | $3,431,729,163.39 | 1.33% |
| 1966 | $3,534,626,881.60 | 3.00% |
| 1967 | $3,626,693,261.05 | 2.60% |
| 1968 | $3,780,137,226.80 | 4.23% |
| 1969 | $3,986,835,274.78 | 5.47% |
| 1970 | $4,215,196,000.27 | 5.73% |
| 1971 | $4,381,276,527.91 | 3.94% |
| 1972 | $4,505,836,923.63 | 2.84% |
| 1973 | $4,788,354,342.92 | 6.27% |
| 1974 | $5,294,719,429.90 | 10.57% |
| 1975 | $5,712,628,583.67 | 7.89% |
| 1976 | $5,986,119,887.33 | 4.79% |
| 1977 | $6,362,508,909.19 | 6.29% |
| 1978 | $6,915,809,797.45 | 8.70% |
| 1979 | $7,778,706,451.90 | 12.48% |
| 1980 | $8,900,652,624.99 | 14.42% |
| 1981 | $9,752,717,940.68 | 9.57% |
| 1982 | $10,417,942,662.78 | 6.82% |
| 1983 | $10,833,143,981.86 | 3.99% |
| 1984 | $11,242,027,020.00 | 3.77% |
| 1985 | $11,666,254,454.72 | 3.77% |
| 1986 | $11,909,959,576.79 | 2.09% |
| 1987 | $12,400,980,267.19 | 4.12% |
| 1988 | $12,885,682,676.64 | 3.91% |
| 1989 | $13,537,368,225.29 | 5.06% |
| 1990 | $14,264,873,145.25 | 5.37% |
| 1991 | $14,843,447,157.28 | 4.06% |
| 1992 | $15,278,505,930.76 | 2.93% |
| 1993 | $15,749,669,166.76 | 3.08% |
| 1994 | $16,094,466,783.92 | 2.19% |
| 1995 | $16,606,247,540.27 | 3.18% |
| 1996 | $17,050,332,429.38 | 2.67% |
| 1997 | $17,516,982,607.56 | 2.74% |
| 1998 | $17,869,903,728.79 | 2.01% |
| 1999 | $18,239,974,469.71 | 2.07% |
| 2000 | $18,825,769,374.25 | 3.21% |
| 2001 | $19,315,887,453.08 | 2.60% |
| 2002 | $19,623,677,996.14 | 1.59% |
| 2003 | $19,984,722,621.43 | 1.84% |
| 2004 | $20,431,515,345.23 | 2.24% |
| 2005 | $21,049,804,266.04 | 3.03% |
| 2006 | $21,481,252,593.26 | 2.05% |
| 2007 | $22,184,486,288.29 | 3.27% |
| 2008 | $23,020,449,013.69 | 3.77% |
| 2009 | $22,745,278,852.52 | -1.20% |
| 2010 | $23,056,715,946.30 | 1.37% |
| 2011 | $23,686,422,903.38 | 2.73% |
| 2012 | $24,046,086,532.98 | 1.52% |
| 2013 | $24,321,247,668.03 | 1.14% |
| 2014 | $24,746,115,956.96 | 1.75% |
| 2015 | $24,672,959,289.76 | -0.30% |
| 2016 | $24,836,449,322.21 | 0.66% |
| 2017 | $25,303,234,892.13 | 1.88% |
| 2018 | $25,746,769,188.19 | 1.75% |
| 2019 | $26,123,095,027.24 | 1.46% |
| 2020 | $26,414,683,692.74 | 1.12% |
| 2021 | $27,528,831,301.93 | 4.22% |
| 2022 | $29,608,123,403.44 | 7.55% |
| 2023 | $30,593,062,167.35 | 3.33% |
| 2024 | $31,651,879,687.71 | 3.46% |
| 2025 | $32,576,375,068.29 | 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 |