According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,099.56% higher in 2026 versus 1940 (a $407,432,942,337.16 difference in value).
Between 1940 and 2026:Chicago experienced an average inflation rate of 3.66% per year. This rate of change indicates significant inflation. In other words, $19,405,600,000 in Chicago in the year 1940 would cost $426,838,542,337.16 in 2026 for an equivalent purchase. Compared to the overall inflation rate of 3.73% 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 1940-2026 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 $19,405,600,000 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 | $19,405,600,000.00 | 0.55% |
| 1941 | $20,425,713,111.78 | 5.26% |
| 1942 | $22,454,213,897.28 | 9.93% |
| 1943 | $23,708,835,770.39 | 5.59% |
| 1944 | $24,072,324,350.45 | 1.53% |
| 1945 | $24,588,243,625.38 | 2.14% |
| 1946 | $26,780,900,543.81 | 8.92% |
| 1947 | $31,107,587,190.33 | 16.16% |
| 1948 | $33,816,163,383.69 | 8.71% |
| 1949 | $33,780,987,069.49 | -0.10% |
| 1950 | $34,121,024,773.41 | 1.01% |
| 1951 | $36,806,150,090.63 | 7.87% |
| 1952 | $37,603,479,879.15 | 2.17% |
| 1953 | $37,931,792,145.02 | 0.87% |
| 1954 | $38,494,613,172.21 | 1.48% |
| 1955 | $38,752,572,809.67 | 0.67% |
| 1956 | $39,291,942,960.73 | 1.39% |
| 1957 | $40,570,015,709.97 | 3.25% |
| 1958 | $41,801,186,706.95 | 3.03% |
| 1959 | $42,141,224,410.88 | 0.81% |
| 1960 | $42,727,496,314.20 | 1.39% |
| 1961 | $42,938,554,199.40 | 0.49% |
| 1962 | $43,384,120,845.92 | 1.04% |
| 1963 | $43,817,962,054.38 | 1.00% |
| 1964 | $43,993,843,625.38 | 0.40% |
| 1965 | $44,580,115,528.70 | 1.33% |
| 1966 | $45,916,815,468.28 | 3.00% |
| 1967 | $47,112,810,151.06 | 2.60% |
| 1968 | $49,106,134,622.36 | 4.23% |
| 1969 | $51,791,259,939.58 | 5.47% |
| 1970 | $54,757,795,770.39 | 5.73% |
| 1971 | $56,915,276,374.62 | 3.94% |
| 1972 | $58,533,386,827.79 | 2.84% |
| 1973 | $62,203,448,942.60 | 6.27% |
| 1974 | $68,781,419,697.89 | 10.57% |
| 1975 | $74,210,297,522.66 | 7.89% |
| 1976 | $77,763,105,256.80 | 4.79% |
| 1977 | $82,652,612,930.51 | 6.29% |
| 1978 | $89,840,306,465.26 | 8.70% |
| 1979 | $101,049,825,256.80 | 12.48% |
| 1980 | $115,624,544,773.41 | 14.42% |
| 1981 | $126,693,358,308.16 | 9.57% |
| 1982 | $135,335,006,163.14 | 6.82% |
| 1983 | $140,728,707,673.72 | 3.99% |
| 1984 | $146,040,331,117.82 | 3.77% |
| 1985 | $151,551,287,009.06 | 3.77% |
| 1986 | $154,717,155,287.01 | 2.09% |
| 1987 | $161,095,793,595.17 | 4.12% |
| 1988 | $167,392,353,836.86 | 3.91% |
| 1989 | $175,858,120,120.85 | 5.06% |
| 1990 | $185,308,823,202.42 | 5.37% |
| 1991 | $192,824,829,003.02 | 4.06% |
| 1992 | $198,476,490,151.06 | 2.93% |
| 1993 | $204,597,168,821.75 | 3.08% |
| 1994 | $209,076,286,163.14 | 2.19% |
| 1995 | $215,724,609,546.83 | 3.18% |
| 1996 | $221,493,525,075.53 | 2.67% |
| 1997 | $227,555,576,555.89 | 2.74% |
| 1998 | $232,140,222,839.88 | 2.01% |
| 1999 | $236,947,652,447.13 | 2.07% |
| 2000 | $244,557,461,752.27 | 3.21% |
| 2001 | $250,924,374,622.36 | 2.60% |
| 2002 | $254,922,749,003.02 | 1.59% |
| 2003 | $259,612,924,229.61 | 1.84% |
| 2004 | $265,417,016,072.51 | 2.24% |
| 2005 | $273,448,941,148.04 | 3.03% |
| 2006 | $279,053,700,543.81 | 2.05% |
| 2007 | $288,189,106,595.77 | 3.27% |
| 2008 | $299,048,738,315.41 | 3.77% |
| 2009 | $295,474,121,266.47 | -1.20% |
| 2010 | $299,519,866,416.92 | 1.37% |
| 2011 | $307,700,118,283.99 | 2.73% |
| 2012 | $312,372,353,590.33 | 1.52% |
| 2013 | $315,946,853,384.89 | 1.14% |
| 2014 | $321,466,134,337.16 | 1.75% |
| 2015 | $320,515,787,581.87 | -0.30% |
| 2016 | $322,639,616,178.85 | 0.66% |
| 2017 | $328,703,426,474.92 | 1.88% |
| 2018 | $334,465,189,486.40 | 1.75% |
| 2019 | $339,353,876,379.46 | 1.46% |
| 2020 | $343,141,779,146.83 | 1.12% |
| 2021 | $357,615,190,878.55 | 4.22% |
| 2022 | $384,626,379,025.98 | 7.55% |
| 2023 | $397,421,294,298.49 | 3.33% |
| 2024 | $411,175,936,676.74 | 3.46% |
| 2025 | $424,229,280,604.23 | 3.17% |
| 2026 | $426,838,542,337.16 | 0.62%* |
* 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 | 301.502 | 303.356 |