According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 1,622.73% higher in 2025 versus 1930 (a $17,850,057,040,572.79 difference in value).
Between 1930 and 2025: Chicago experienced an average inflation rate of 3.04% per year. This rate of change indicates significant inflation. In other words, $1,100,000,000,000 in Chicago in the year 1930 would cost $18,950,057,040,572.79 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 3.16% during this same period, inflation in Chicago was lower.
In the year 1930: Pricing changed by -1.09%, which is significantly below the average yearly change in Chicago during the 1930-2025 time period. Compared to inflation for all items in 1930 (-2.65%), inflation in Chicago was higher.
Below are calculations of equivalent buying power in Chicago, over time, for $1,100,000,000,000 beginning in 1930. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1930 | $1,100,000,000,000.00 | -1.09% |
| 1931 | $1,005,489,260,143.20 | -8.59% |
| 1932 | $887,350,835,322.20 | -11.75% |
| 1933 | $795,990,453,460.62 | -10.30% |
| 1934 | $801,241,050,119.33 | 0.66% |
| 1935 | $835,894,988,066.83 | 4.33% |
| 1936 | $852,696,897,374.70 | 2.01% |
| 1937 | $887,875,894,988.07 | 4.13% |
| 1938 | $881,575,178,997.61 | -0.71% |
| 1939 | $864,248,210,023.87 | -1.97% |
| 1940 | $868,973,747,016.71 | 0.55% |
| 1941 | $914,653,937,947.49 | 5.26% |
| 1942 | $1,005,489,260,143.20 | 9.93% |
| 1943 | $1,061,670,644,391.41 | 5.59% |
| 1944 | $1,077,947,494,033.41 | 1.53% |
| 1945 | $1,101,050,119,331.74 | 2.14% |
| 1946 | $1,199,236,276,849.64 | 8.92% |
| 1947 | $1,392,983,293,556.09 | 16.16% |
| 1948 | $1,514,272,076,372.32 | 8.71% |
| 1949 | $1,512,696,897,374.70 | -0.10% |
| 1950 | $1,527,923,627,684.96 | 1.01% |
| 1951 | $1,648,162,291,169.45 | 7.87% |
| 1952 | $1,683,866,348,448.69 | 2.17% |
| 1953 | $1,698,568,019,093.08 | 0.87% |
| 1954 | $1,723,770,883,054.89 | 1.48% |
| 1955 | $1,735,322,195,704.06 | 0.67% |
| 1956 | $1,759,474,940,334.13 | 1.39% |
| 1957 | $1,816,706,443,914.08 | 3.25% |
| 1958 | $1,871,837,708,830.55 | 3.03% |
| 1959 | $1,887,064,439,140.81 | 0.81% |
| 1960 | $1,913,317,422,434.37 | 1.39% |
| 1961 | $1,922,768,496,420.05 | 0.49% |
| 1962 | $1,942,720,763,723.15 | 1.04% |
| 1963 | $1,962,147,971,360.38 | 1.00% |
| 1964 | $1,970,023,866,348.45 | 0.40% |
| 1965 | $1,996,276,849,642.01 | 1.33% |
| 1966 | $2,056,133,651,551.31 | 3.00% |
| 1967 | $2,109,689,737,470.17 | 2.60% |
| 1968 | $2,198,949,880,668.26 | 4.23% |
| 1969 | $2,319,188,544,152.74 | 5.47% |
| 1970 | $2,452,028,639,618.14 | 5.73% |
| 1971 | $2,548,639,618,138.42 | 3.94% |
| 1972 | $2,621,097,852,028.64 | 2.84% |
| 1973 | $2,785,441,527,446.30 | 6.27% |
| 1974 | $3,080,000,000,000.00 | 10.57% |
| 1975 | $3,323,102,625,298.33 | 7.89% |
| 1976 | $3,482,195,704,057.28 | 4.79% |
| 1977 | $3,701,145,584,725.54 | 6.29% |
| 1978 | $4,023,007,159,904.54 | 8.70% |
| 1979 | $4,524,964,200,477.33 | 12.48% |
| 1980 | $5,177,613,365,155.13 | 14.42% |
| 1981 | $5,673,269,689,737.47 | 9.57% |
| 1982 | $6,060,238,663,484.49 | 6.82% |
| 1983 | $6,301,766,109,785.20 | 3.99% |
| 1984 | $6,539,618,138,424.82 | 3.77% |
| 1985 | $6,786,396,181,384.25 | 3.77% |
| 1986 | $6,928,162,291,169.45 | 2.09% |
| 1987 | $7,213,794,749,403.34 | 4.12% |
| 1988 | $7,495,751,789,976.13 | 3.91% |
| 1989 | $7,874,844,868,735.08 | 5.06% |
| 1990 | $8,298,042,959,427.21 | 5.37% |
| 1991 | $8,634,606,205,250.60 | 4.06% |
| 1992 | $8,887,684,964,200.48 | 2.93% |
| 1993 | $9,161,766,109,785.20 | 3.08% |
| 1994 | $9,362,338,902,147.97 | 2.19% |
| 1995 | $9,660,047,732,696.90 | 3.18% |
| 1996 | $9,918,377,088,305.49 | 2.67% |
| 1997 | $10,189,832,935,560.86 | 2.74% |
| 1998 | $10,395,131,264,916.47 | 2.01% |
| 1999 | $10,610,405,727,923.63 | 2.07% |
| 2000 | $10,951,169,451,073.98 | 3.21% |
| 2001 | $11,236,276,849,642.01 | 2.60% |
| 2002 | $11,415,322,195,704.06 | 1.59% |
| 2003 | $11,625,346,062,052.51 | 1.84% |
| 2004 | $11,885,250,596,658.71 | 2.24% |
| 2005 | $12,244,916,467,780.43 | 3.03% |
| 2006 | $12,495,894,988,066.83 | 2.05% |
| 2007 | $12,904,974,224,343.68 | 3.27% |
| 2008 | $13,391,263,484,486.87 | 3.77% |
| 2009 | $13,231,193,794,749.41 | -1.20% |
| 2010 | $13,412,360,381,861.58 | 1.37% |
| 2011 | $13,778,668,257,756.57 | 2.73% |
| 2012 | $13,987,888,782,816.23 | 1.52% |
| 2013 | $14,147,953,221,957.04 | 1.14% |
| 2014 | $14,395,104,057,279.24 | 1.75% |
| 2015 | $14,352,547,971,360.38 | -0.30% |
| 2016 | $14,447,652,028,639.62 | 0.66% |
| 2017 | $14,719,186,634,844.87 | 1.88% |
| 2018 | $14,977,195,704,057.28 | 1.75% |
| 2019 | $15,196,108,830,548.93 | 1.46% |
| 2020 | $15,365,729,355,608.60 | 1.12% |
| 2021 | $16,013,842,004,773.27 | 4.22% |
| 2022 | $17,223,390,453,460.62 | 7.55% |
| 2023 | $17,796,340,811,455.85 | 3.33% |
| 2024 | $18,412,267,303,102.62 | 3.46% |
| 2025 | $18,950,057,040,572.79 | 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 |