According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,080.74% higher in 2025 versus 1940 (a $15,275,141,146.46 difference in value).
Between 1940 and 2025: Chicago experienced an average inflation rate of 3.69% per year. This rate of change indicates significant inflation. In other words, $734,120,651 in Chicago in the year 1940 would cost $16,009,261,797.46 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 3.75% during this same period, inflation in Chicago was lower.
In the year 1940: Pricing changed by 0.55%, which is significantly below the average yearly change in Chicago during the 1940-2025 time period. Compared to inflation for all items in 1940 (0.72%), inflation in Chicago was lower.
Below are calculations of equivalent buying power in Chicago, over time, for $734,120,651 beginning in 1940. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1940 | $734,120,651.00 | 0.55% |
| 1941 | $772,711,887.64 | 5.26% |
| 1942 | $849,450,783.48 | 9.93% |
| 1943 | $896,913,568.77 | 5.59% |
| 1944 | $910,664,469.19 | 1.53% |
| 1945 | $930,181,876.22 | 2.14% |
| 1946 | $1,013,130,856.12 | 8.92% |
| 1947 | $1,176,810,928.76 | 16.16% |
| 1948 | $1,279,277,315.70 | 8.71% |
| 1949 | $1,277,946,583.40 | -0.10% |
| 1950 | $1,290,810,328.95 | 1.01% |
| 1951 | $1,392,389,561.02 | 7.87% |
| 1952 | $1,422,552,826.44 | 2.17% |
| 1953 | $1,434,972,994.55 | 0.87% |
| 1954 | $1,456,264,711.32 | 1.48% |
| 1955 | $1,466,023,414.84 | 0.67% |
| 1956 | $1,486,427,976.74 | 1.39% |
| 1957 | $1,534,777,916.89 | 3.25% |
| 1958 | $1,581,353,547.32 | 3.03% |
| 1959 | $1,594,217,292.87 | 0.81% |
| 1960 | $1,616,396,164.50 | 1.39% |
| 1961 | $1,624,380,558.29 | 0.49% |
| 1962 | $1,641,236,500.73 | 1.04% |
| 1963 | $1,657,648,865.73 | 1.00% |
| 1964 | $1,664,302,527.22 | 0.40% |
| 1965 | $1,686,481,398.85 | 1.33% |
| 1966 | $1,737,049,226.17 | 3.00% |
| 1967 | $1,782,294,124.30 | 2.60% |
| 1968 | $1,857,702,287.85 | 4.23% |
| 1969 | $1,959,281,519.92 | 5.47% |
| 1970 | $2,071,506,610.37 | 5.73% |
| 1971 | $2,153,124,857.98 | 3.94% |
| 1972 | $2,214,338,543.68 | 2.84% |
| 1973 | $2,353,178,280.09 | 6.27% |
| 1974 | $2,602,025,219.80 | 10.57% |
| 1975 | $2,807,401,571.11 | 7.89% |
| 1976 | $2,941,805,533.19 | 4.79% |
| 1977 | $3,126,777,322.60 | 6.29% |
| 1978 | $3,398,690,288.80 | 8.70% |
| 1979 | $3,822,750,314.39 | 12.48% |
| 1980 | $4,374,117,063.15 | 14.42% |
| 1981 | $4,792,854,159.55 | 9.57% |
| 1982 | $5,119,770,727.40 | 6.82% |
| 1983 | $5,323,816,346.41 | 3.99% |
| 1984 | $5,524,756,923.39 | 3.77% |
| 1985 | $5,733,238,316.72 | 3.77% |
| 1986 | $5,853,004,223.53 | 2.09% |
| 1987 | $6,094,310,346.88 | 4.12% |
| 1988 | $6,332,511,428.20 | 3.91% |
| 1989 | $6,652,774,334.56 | 5.06% |
| 1990 | $7,010,297,745.26 | 5.37% |
| 1991 | $7,294,630,879.57 | 4.06% |
| 1992 | $7,508,435,202.10 | 2.93% |
| 1993 | $7,739,982,621.93 | 3.08% |
| 1994 | $7,909,429,201.20 | 2.19% |
| 1995 | $8,160,937,605.50 | 3.18% |
| 1996 | $8,379,177,702.35 | 2.67% |
| 1997 | $8,608,507,235.02 | 2.74% |
| 1998 | $8,781,946,011.18 | 2.01% |
| 1999 | $8,963,812,758.55 | 2.07% |
| 2000 | $9,251,694,512.33 | 3.21% |
| 2001 | $9,492,557,058.25 | 2.60% |
| 2002 | $9,643,816,962.77 | 1.59% |
| 2003 | $9,821,247,935.83 | 1.84% |
| 2004 | $10,040,818,764.98 | 2.24% |
| 2005 | $10,344,669,306.33 | 3.03% |
| 2006 | $10,556,699,319.12 | 2.05% |
| 2007 | $10,902,294,932.66 | 3.27% |
| 2008 | $11,313,118,607.66 | 3.77% |
| 2009 | $11,177,889,591.55 | -1.20% |
| 2010 | $11,330,941,548.90 | 1.37% |
| 2011 | $11,640,403,344.78 | 2.73% |
| 2012 | $11,817,155,644.36 | 1.52% |
| 2013 | $11,952,380,224.69 | 1.14% |
| 2014 | $12,161,176,558.01 | 1.75% |
| 2015 | $12,125,224,607.09 | -0.30% |
| 2016 | $12,205,569,787.46 | 0.66% |
| 2017 | $12,434,965,856.75 | 1.88% |
| 2018 | $12,652,935,371.37 | 1.75% |
| 2019 | $12,837,876,110.35 | 1.46% |
| 2020 | $12,981,173,799.96 | 1.12% |
| 2021 | $13,528,708,039.70 | 4.22% |
| 2022 | $14,550,550,756.60 | 7.55% |
| 2023 | $15,034,586,886.86 | 3.33% |
| 2024 | $15,554,929,829.98 | 3.46% |
| 2025 | $16,009,261,797.46 | 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 |