According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,080.74% higher in 2025 versus 1940 (a $39,534,057,703.93 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, $1,900,000,000 in Chicago in the year 1940 would cost $41,434,057,703.93 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 $1,900,000,000 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 | $1,900,000,000.00 | 0.55% |
| 1941 | $1,999,879,154.08 | 5.26% |
| 1942 | $2,198,489,425.98 | 9.93% |
| 1943 | $2,321,329,305.14 | 5.59% |
| 1944 | $2,356,918,429.00 | 1.53% |
| 1945 | $2,407,432,024.17 | 2.14% |
| 1946 | $2,622,114,803.63 | 8.92% |
| 1947 | $3,045,740,181.27 | 16.16% |
| 1948 | $3,310,936,555.89 | 8.71% |
| 1949 | $3,307,492,447.13 | -0.10% |
| 1950 | $3,340,785,498.49 | 1.01% |
| 1951 | $3,603,685,800.60 | 7.87% |
| 1952 | $3,681,752,265.86 | 2.17% |
| 1953 | $3,713,897,280.97 | 0.87% |
| 1954 | $3,769,003,021.15 | 1.48% |
| 1955 | $3,794,259,818.73 | 0.67% |
| 1956 | $3,847,069,486.40 | 1.39% |
| 1957 | $3,972,205,438.07 | 3.25% |
| 1958 | $4,092,749,244.71 | 3.03% |
| 1959 | $4,126,042,296.07 | 0.81% |
| 1960 | $4,183,444,108.76 | 1.39% |
| 1961 | $4,204,108,761.33 | 0.49% |
| 1962 | $4,247,734,138.97 | 1.04% |
| 1963 | $4,290,211,480.36 | 1.00% |
| 1964 | $4,307,432,024.17 | 0.40% |
| 1965 | $4,364,833,836.86 | 1.33% |
| 1966 | $4,495,709,969.79 | 3.00% |
| 1967 | $4,612,809,667.67 | 2.60% |
| 1968 | $4,807,975,830.82 | 4.23% |
| 1969 | $5,070,876,132.93 | 5.47% |
| 1970 | $5,361,329,305.14 | 5.73% |
| 1971 | $5,572,567,975.83 | 3.94% |
| 1972 | $5,730,996,978.85 | 2.84% |
| 1973 | $6,090,332,326.28 | 6.27% |
| 1974 | $6,734,380,664.65 | 10.57% |
| 1975 | $7,265,921,450.15 | 7.89% |
| 1976 | $7,613,776,435.05 | 4.79% |
| 1977 | $8,092,507,552.87 | 6.29% |
| 1978 | $8,796,253,776.44 | 8.70% |
| 1979 | $9,893,776,435.05 | 12.48% |
| 1980 | $11,320,785,498.49 | 14.42% |
| 1981 | $12,404,531,722.05 | 9.57% |
| 1982 | $13,250,634,441.09 | 6.82% |
| 1983 | $13,778,731,117.82 | 3.99% |
| 1984 | $14,298,791,540.79 | 3.77% |
| 1985 | $14,838,368,580.06 | 3.77% |
| 1986 | $15,148,338,368.58 | 2.09% |
| 1987 | $15,772,870,090.63 | 4.12% |
| 1988 | $16,389,365,558.91 | 3.91% |
| 1989 | $17,218,247,734.14 | 5.06% |
| 1990 | $18,143,564,954.68 | 5.37% |
| 1991 | $18,879,456,193.35 | 4.06% |
| 1992 | $19,432,809,667.67 | 2.93% |
| 1993 | $20,032,084,592.15 | 3.08% |
| 1994 | $20,470,634,441.09 | 2.19% |
| 1995 | $21,121,570,996.98 | 3.18% |
| 1996 | $21,686,404,833.84 | 2.67% |
| 1997 | $22,279,939,577.04 | 2.74% |
| 1998 | $22,728,821,752.27 | 2.01% |
| 1999 | $23,199,516,616.31 | 2.07% |
| 2000 | $23,944,592,145.02 | 3.21% |
| 2001 | $24,567,975,830.82 | 2.60% |
| 2002 | $24,959,456,193.35 | 1.59% |
| 2003 | $25,418,670,694.86 | 1.84% |
| 2004 | $25,986,948,640.48 | 2.24% |
| 2005 | $26,773,353,474.32 | 3.03% |
| 2006 | $27,322,114,803.63 | 2.05% |
| 2007 | $28,216,561,329.31 | 3.27% |
| 2008 | $29,279,826,586.10 | 3.77% |
| 2009 | $28,929,836,253.78 | -1.20% |
| 2010 | $29,325,954,682.78 | 1.37% |
| 2011 | $30,126,882,175.23 | 2.73% |
| 2012 | $30,584,340,181.27 | 1.52% |
| 2013 | $30,934,319,033.23 | 1.14% |
| 2014 | $31,474,711,178.25 | 1.75% |
| 2015 | $31,381,662,839.88 | -0.30% |
| 2016 | $31,589,606,646.53 | 0.66% |
| 2017 | $32,183,313,595.17 | 1.88% |
| 2018 | $32,747,447,129.91 | 1.75% |
| 2019 | $33,226,097,885.20 | 1.46% |
| 2020 | $33,596,970,996.98 | 1.12% |
| 2021 | $35,014,061,027.19 | 4.22% |
| 2022 | $37,658,723,262.84 | 7.55% |
| 2023 | $38,911,471,903.32 | 3.33% |
| 2024 | $40,258,187,311.18 | 3.46% |
| 2025 | $41,434,057,703.93 | 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 |