According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,080.74% higher in 2025 versus 1940 (a $59,238,664,359.52 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, $2,847,000,000 in Chicago in the year 1940 would cost $62,085,664,359.52 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 $2,847,000,000 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 | $2,847,000,000.00 | 0.55% |
| 1941 | $2,996,661,027.19 | 5.26% |
| 1942 | $3,294,262,839.88 | 9.93% |
| 1943 | $3,478,328,700.91 | 5.59% |
| 1944 | $3,531,656,193.35 | 1.53% |
| 1945 | $3,607,346,827.79 | 2.14% |
| 1946 | $3,929,032,024.17 | 8.92% |
| 1947 | $4,563,801,208.46 | 16.16% |
| 1948 | $4,961,177,039.27 | 8.71% |
| 1949 | $4,956,016,314.20 | -0.10% |
| 1950 | $5,005,903,323.26 | 1.01% |
| 1951 | $5,399,838,670.69 | 7.87% |
| 1952 | $5,516,815,105.74 | 2.17% |
| 1953 | $5,564,981,873.11 | 0.87% |
| 1954 | $5,647,553,474.32 | 1.48% |
| 1955 | $5,685,398,791.54 | 0.67% |
| 1956 | $5,764,529,909.37 | 1.39% |
| 1957 | $5,952,036,253.78 | 3.25% |
| 1958 | $6,132,661,631.42 | 3.03% |
| 1959 | $6,182,548,640.48 | 0.81% |
| 1960 | $6,268,560,725.08 | 1.39% |
| 1961 | $6,299,525,075.53 | 0.49% |
| 1962 | $6,364,894,259.82 | 1.04% |
| 1963 | $6,428,543,202.42 | 1.00% |
| 1964 | $6,454,346,827.79 | 0.40% |
| 1965 | $6,540,358,912.39 | 1.33% |
| 1966 | $6,736,466,465.26 | 3.00% |
| 1967 | $6,911,931,117.82 | 2.60% |
| 1968 | $7,204,372,205.44 | 4.23% |
| 1969 | $7,598,307,552.87 | 5.47% |
| 1970 | $8,033,528,700.91 | 5.73% |
| 1971 | $8,350,053,172.21 | 3.94% |
| 1972 | $8,587,446,525.68 | 2.84% |
| 1973 | $9,125,882,175.23 | 6.27% |
| 1974 | $10,090,937,764.35 | 10.57% |
| 1975 | $10,887,409,667.67 | 7.89% |
| 1976 | $11,408,642,900.30 | 4.79% |
| 1977 | $12,125,983,685.80 | 6.29% |
| 1978 | $13,180,491,842.90 | 8.70% |
| 1979 | $14,825,042,900.30 | 12.48% |
| 1980 | $16,963,303,323.26 | 14.42% |
| 1981 | $18,587,211,480.36 | 9.57% |
| 1982 | $19,855,029,607.25 | 6.82% |
| 1983 | $20,646,340,785.50 | 3.99% |
| 1984 | $21,425,610,271.90 | 3.77% |
| 1985 | $22,234,123,867.07 | 3.77% |
| 1986 | $22,698,589,123.87 | 2.09% |
| 1987 | $23,634,400,604.23 | 4.12% |
| 1988 | $24,558,170,392.75 | 3.91% |
| 1989 | $25,800,184,894.26 | 5.06% |
| 1990 | $27,186,699,697.89 | 5.37% |
| 1991 | $28,289,374,622.36 | 4.06% |
| 1992 | $29,118,531,117.82 | 2.93% |
| 1993 | $30,016,497,280.97 | 3.08% |
| 1994 | $30,673,629,607.25 | 2.19% |
| 1995 | $31,649,006,646.53 | 3.18% |
| 1996 | $32,495,365,558.91 | 2.67% |
| 1997 | $33,384,730,513.60 | 2.74% |
| 1998 | $34,057,345,015.11 | 2.01% |
| 1999 | $34,762,644,108.76 | 2.07% |
| 2000 | $35,879,080,966.77 | 3.21% |
| 2001 | $36,813,172,205.44 | 2.60% |
| 2002 | $37,399,774,622.36 | 1.59% |
| 2003 | $38,087,871,299.09 | 1.84% |
| 2004 | $38,939,390,936.56 | 2.24% |
| 2005 | $40,117,756,495.47 | 3.03% |
| 2006 | $40,940,032,024.17 | 2.05% |
| 2007 | $42,280,289,528.70 | 3.27% |
| 2008 | $43,873,508,574.02 | 3.77% |
| 2009 | $43,349,075,691.84 | -1.20% |
| 2010 | $43,942,627,885.20 | 1.37% |
| 2011 | $45,142,754,501.51 | 2.73% |
| 2012 | $45,828,219,208.46 | 1.52% |
| 2013 | $46,352,634,888.22 | 1.14% |
| 2014 | $47,162,369,854.98 | 1.75% |
| 2015 | $47,022,944,265.86 | -0.30% |
| 2016 | $47,334,531,643.50 | 0.66% |
| 2017 | $48,224,154,634.44 | 1.88% |
| 2018 | $49,069,464,199.40 | 1.75% |
| 2019 | $49,786,684,567.98 | 1.46% |
| 2020 | $50,342,408,646.53 | 1.12% |
| 2021 | $52,465,806,181.27 | 4.22% |
| 2022 | $56,428,623,752.27 | 7.55% |
| 2023 | $58,305,768,688.82 | 3.33% |
| 2024 | $60,323,715,407.85 | 3.46% |
| 2025 | $62,085,664,359.52 | 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 |