According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,080.74% higher in 2025 versus 1940 (a $35,768,365,237,150.63 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, $1,719,021,469,021.50 in Chicago in the year 1940 would cost $37,487,386,706,172.13 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 $1,719,021,469,021.50 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 | $1,719,021,469,021.50 | 0.55% |
| 1941 | $1,809,386,948,057.68 | 5.26% |
| 1942 | $1,989,079,222,462.94 | 9.93% |
| 1943 | $2,100,218,374,840.77 | 5.59% |
| 1944 | $2,132,417,568,520.33 | 1.53% |
| 1945 | $2,178,119,649,871.96 | 2.14% |
| 1946 | $2,372,353,495,616.38 | 8.92% |
| 1947 | $2,755,627,768,769.81 | 16.16% |
| 1948 | $2,995,563,695,865.87 | 8.71% |
| 1949 | $2,992,447,644,864.62 | -0.10% |
| 1950 | $3,022,569,471,210.01 | 1.01% |
| 1951 | $3,260,428,030,971.90 | 7.87% |
| 1952 | $3,331,058,520,333.51 | 2.17% |
| 1953 | $3,360,141,663,011.81 | 0.87% |
| 1954 | $3,409,998,479,031.77 | 1.48% |
| 1955 | $3,432,849,519,707.59 | 0.67% |
| 1956 | $3,480,628,968,393.38 | 1.39% |
| 1957 | $3,593,845,488,105.37 | 3.25% |
| 1958 | $3,702,907,273,149.03 | 3.03% |
| 1959 | $3,733,029,099,494.42 | 0.81% |
| 1960 | $3,784,963,282,848.55 | 1.39% |
| 1961 | $3,803,659,588,856.03 | 0.49% |
| 1962 | $3,843,129,568,205.17 | 1.04% |
| 1963 | $3,881,560,863,887.22 | 1.00% |
| 1964 | $3,897,141,118,893.46 | 0.40% |
| 1965 | $3,949,075,302,247.58 | 1.33% |
| 1966 | $4,067,485,240,294.98 | 3.00% |
| 1967 | $4,173,430,974,337.39 | 2.60% |
| 1968 | $4,350,007,197,741.42 | 4.23% |
| 1969 | $4,587,865,757,503.30 | 5.47% |
| 1970 | $4,850,652,725,275.17 | 5.73% |
| 1971 | $5,041,770,520,018.35 | 3.94% |
| 1972 | $5,185,108,866,075.73 | 2.84% |
| 1973 | $5,510,216,853,872.54 | 6.27% |
| 1974 | $6,092,918,391,105.81 | 10.57% |
| 1975 | $6,573,828,928,965.00 | 7.89% |
| 1976 | $6,888,550,080,090.99 | 4.79% |
| 1977 | $7,321,681,169,264.38 | 6.29% |
| 1978 | $7,958,394,257,185.94 | 8.70% |
| 1979 | $8,951,375,842,916.79 | 12.48% |
| 1980 | $10,242,459,641,100.31 | 14.42% |
| 1981 | $11,222,977,022,826.17 | 9.57% |
| 1982 | $11,988,486,885,465.96 | 6.82% |
| 1983 | $12,466,281,372,323.90 | 3.99% |
| 1984 | $12,936,805,073,512.26 | 3.77% |
| 1985 | $13,424,986,397,041.02 | 3.77% |
| 1986 | $13,705,430,987,153.29 | 2.09% |
| 1987 | $14,270,474,902,046.16 | 4.12% |
| 1988 | $14,828,248,031,269.45 | 3.91% |
| 1989 | $15,578,177,638,903.00 | 5.06% |
| 1990 | $16,415,356,674,571.48 | 5.37% |
| 1991 | $17,081,152,905,171.34 | 4.06% |
| 1992 | $17,581,798,432,705.10 | 2.93% |
| 1993 | $18,123,991,306,922.15 | 3.08% |
| 1994 | $18,520,768,467,747.66 | 2.19% |
| 1995 | $19,109,702,106,983.42 | 3.18% |
| 1996 | $19,620,734,471,188.00 | 2.67% |
| 1997 | $20,157,733,927,069.64 | 2.74% |
| 1998 | $20,563,859,240,898.88 | 2.01% |
| 1999 | $20,989,719,544,402.70 | 2.07% |
| 2000 | $21,663,825,244,339.23 | 3.21% |
| 2001 | $22,227,830,475,565.02 | 2.60% |
| 2002 | $22,582,021,606,040.14 | 1.59% |
| 2003 | $22,997,495,072,873.14 | 1.84% |
| 2004 | $23,511,643,488,078.96 | 2.24% |
| 2005 | $24,223,141,800,030.46 | 3.03% |
| 2006 | $24,719,632,592,895.88 | 2.05% |
| 2007 | $25,528,881,424,756.51 | 3.27% |
| 2008 | $26,490,868,689,861.62 | 3.77% |
| 2009 | $26,174,215,587,114.85 | -1.20% |
| 2010 | $26,532,602,999,604.99 | 1.37% |
| 2011 | $27,257,240,659,945.08 | 2.73% |
| 2012 | $27,671,124,940,767.44 | 1.52% |
| 2013 | $27,987,767,656,677.53 | 1.14% |
| 2014 | $28,476,686,445,609.92 | 1.75% |
| 2015 | $28,392,501,134,392.89 | -0.30% |
| 2016 | $28,580,637,907,011.54 | 0.66% |
| 2017 | $29,117,793,165,443.24 | 1.88% |
| 2018 | $29,628,191,932,610.89 | 1.75% |
| 2019 | $30,061,250,313,927.60 | 1.46% |
| 2020 | $30,396,797,072,578.59 | 1.12% |
| 2021 | $31,678,906,643,878.52 | 4.22% |
| 2022 | $34,071,659,886,716.40 | 7.55% |
| 2023 | $35,205,081,891,073.47 | 3.33% |
| 2024 | $36,423,520,153,581.23 | 3.46% |
| 2025 | $37,487,386,706,172.13 | 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 |