According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,099.56% higher in 2026 versus 1940 (a $199,007,149,685,800.63 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, $9,478,500,000,000 in Chicago in the year 1940 would cost $208,485,649,685,800.63 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 $9,478,500,000,000 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 | $9,478,500,000,000.00 | 0.55% |
| 1941 | $9,976,765,558,912.39 | 5.26% |
| 1942 | $10,967,569,486,404.83 | 9.93% |
| 1943 | $11,580,378,851,963.75 | 5.59% |
| 1944 | $11,757,921,752,265.86 | 1.53% |
| 1945 | $12,009,918,126,888.22 | 2.14% |
| 1946 | $13,080,902,719,033.24 | 8.92% |
| 1947 | $15,194,235,951,661.63 | 16.16% |
| 1948 | $16,517,216,918,429.00 | 8.71% |
| 1949 | $16,500,035,347,432.03 | -0.10% |
| 1950 | $16,666,123,867,069.49 | 1.01% |
| 1951 | $17,977,650,453,172.20 | 7.87% |
| 1952 | $18,367,099,395,770.39 | 2.17% |
| 1953 | $18,527,460,725,075.53 | 0.87% |
| 1954 | $18,802,365,861,027.19 | 1.48% |
| 1955 | $18,928,364,048,338.37 | 0.67% |
| 1956 | $19,191,814,803,625.38 | 1.39% |
| 1957 | $19,816,078,549,848.95 | 3.25% |
| 1958 | $20,417,433,534,743.20 | 3.03% |
| 1959 | $20,583,522,054,380.67 | 0.81% |
| 1960 | $20,869,881,570,996.98 | 1.39% |
| 1961 | $20,972,970,996,978.85 | 0.49% |
| 1962 | $21,190,604,229,607.25 | 1.04% |
| 1963 | $21,402,510,271,903.33 | 1.00% |
| 1964 | $21,488,418,126,888.22 | 0.40% |
| 1965 | $21,774,777,643,504.53 | 1.33% |
| 1966 | $22,427,677,341,389.73 | 3.00% |
| 1967 | $23,011,850,755,287.01 | 2.60% |
| 1968 | $23,985,473,111,782.48 | 4.23% |
| 1969 | $25,296,999,697,885.19 | 5.47% |
| 1970 | $26,745,978,851,963.75 | 5.73% |
| 1971 | $27,799,781,873,111.78 | 3.94% |
| 1972 | $28,590,134,138,972.81 | 2.84% |
| 1973 | $30,382,744,712,990.94 | 6.27% |
| 1974 | $33,595,698,489,425.99 | 10.57% |
| 1975 | $36,247,387,613,293.06 | 7.89% |
| 1976 | $37,982,726,283,987.92 | 4.79% |
| 1977 | $40,370,964,652,567.98 | 6.29% |
| 1978 | $43,881,732,326,283.99 | 8.70% |
| 1979 | $49,356,926,283,987.91 | 12.48% |
| 1980 | $56,475,823,867,069.49 | 14.42% |
| 1981 | $61,882,291,540,785.50 | 9.57% |
| 1982 | $66,103,230,815,709.97 | 6.82% |
| 1983 | $68,737,738,368,580.06 | 3.99% |
| 1984 | $71,332,155,589,123.88 | 3.77% |
| 1985 | $74,023,935,045,317.22 | 3.77% |
| 1986 | $75,570,276,435,045.33 | 2.09% |
| 1987 | $78,685,867,975,830.83 | 4.12% |
| 1988 | $81,761,369,184,290.03 | 3.91% |
| 1989 | $85,896,400,604,229.61 | 5.06% |
| 1990 | $90,512,516,012,084.59 | 5.37% |
| 1991 | $94,183,645,015,105.77 | 4.06% |
| 1992 | $96,944,150,755,287.02 | 2.93% |
| 1993 | $99,933,744,108,761.31 | 3.08% |
| 1994 | $102,121,530,815,709.95 | 2.19% |
| 1995 | $105,368,847,734,138.98 | 3.18% |
| 1996 | $108,186,625,377,643.52 | 2.67% |
| 1997 | $111,147,582,779,456.20 | 2.74% |
| 1998 | $113,386,914,199,395.77 | 2.01% |
| 1999 | $115,735,062,235,649.56 | 2.07% |
| 2000 | $119,452,008,761,329.30 | 3.21% |
| 2001 | $122,561,873,111,782.48 | 2.60% |
| 2002 | $124,514,845,015,105.72 | 1.59% |
| 2003 | $126,805,721,148,036.28 | 1.84% |
| 2004 | $129,640,680,362,537.77 | 2.24% |
| 2005 | $133,563,805,740,181.28 | 3.03% |
| 2006 | $136,301,402,719,033.23 | 2.05% |
| 2007 | $140,763,513,978,851.97 | 3.27% |
| 2008 | $146,067,808,577,039.28 | 3.77% |
| 2009 | $144,321,817,332,326.28 | -1.20% |
| 2010 | $146,297,927,084,592.16 | 1.37% |
| 2011 | $150,293,501,419,939.59 | 2.73% |
| 2012 | $152,575,614,951,661.63 | 1.52% |
| 2013 | $154,321,548,924,471.31 | 1.14% |
| 2014 | $157,017,394,685,800.63 | 1.75% |
| 2015 | $156,553,205,909,365.56 | -0.30% |
| 2016 | $157,590,571,894,259.81 | 0.66% |
| 2017 | $160,552,388,374,622.38 | 1.88% |
| 2018 | $163,366,672,432,024.19 | 1.75% |
| 2019 | $165,754,509,897,280.97 | 1.46% |
| 2020 | $167,604,678,734,138.97 | 1.12% |
| 2021 | $174,674,093,392,749.25 | 4.22% |
| 2022 | $187,867,478,129,909.38 | 7.55% |
| 2023 | $194,117,045,492,447.13 | 3.33% |
| 2024 | $200,835,383,383,685.75 | 3.46% |
| 2025 | $207,211,178,021,148.09 | 3.17% |
| 2026 | $208,485,649,685,800.63 | 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 |