According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 1,415.17% higher in 2025 versus 1920 (a $4,245,496,851.39 difference in value).
Between 1920 and 2025: Chicago experienced an average inflation rate of 2.62% per year. This rate of change indicates significant inflation. In other words, $300,000,000 in Chicago in the year 1920 would cost $4,545,496,851.39 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 2.68% during this same period, inflation in Chicago was lower.
In the year 1920: Pricing changed by 19.10%, which is significantly above the average yearly change in Chicago during the 1920-2025 time period. Compared to inflation for all items in 1920 (15.62%), inflation in Chicago was much higher.
Below are calculations of equivalent buying power in Chicago, over time, for $300,000,000 beginning in 1920. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1920 | $300,000,000.00 | 19.10% |
| 1921 | $274,685,138.54 | -8.44% |
| 1922 | $259,445,843.83 | -5.55% |
| 1923 | $262,594,458.44 | 1.21% |
| 1924 | $267,758,186.40 | 1.97% |
| 1925 | $273,677,581.86 | 2.21% |
| 1926 | $278,463,476.07 | 1.75% |
| 1927 | $275,944,584.38 | -0.90% |
| 1928 | $267,380,352.64 | -3.10% |
| 1929 | $266,750,629.72 | -0.24% |
| 1930 | $263,853,904.28 | -1.09% |
| 1931 | $241,183,879.09 | -8.59% |
| 1932 | $212,846,347.61 | -11.75% |
| 1933 | $190,931,989.92 | -10.30% |
| 1934 | $192,191,435.77 | 0.66% |
| 1935 | $200,503,778.34 | 4.33% |
| 1936 | $204,534,005.04 | 2.01% |
| 1937 | $212,972,292.19 | 4.13% |
| 1938 | $211,460,957.18 | -0.71% |
| 1939 | $207,304,785.89 | -1.97% |
| 1940 | $208,438,287.15 | 0.55% |
| 1941 | $219,395,465.99 | 5.26% |
| 1942 | $241,183,879.09 | 9.93% |
| 1943 | $254,659,949.62 | 5.59% |
| 1944 | $258,564,231.74 | 1.53% |
| 1945 | $264,105,793.45 | 2.14% |
| 1946 | $287,657,430.73 | 8.92% |
| 1947 | $334,130,982.37 | 16.16% |
| 1948 | $363,224,181.36 | 8.71% |
| 1949 | $362,846,347.61 | -0.10% |
| 1950 | $366,498,740.55 | 1.01% |
| 1951 | $395,340,050.38 | 7.87% |
| 1952 | $403,904,282.12 | 2.17% |
| 1953 | $407,430,730.48 | 0.87% |
| 1954 | $413,476,070.53 | 1.48% |
| 1955 | $416,246,851.39 | 0.67% |
| 1956 | $422,040,302.27 | 1.39% |
| 1957 | $435,768,261.96 | 3.25% |
| 1958 | $448,992,443.32 | 3.03% |
| 1959 | $452,644,836.27 | 0.81% |
| 1960 | $458,942,065.49 | 1.39% |
| 1961 | $461,209,068.01 | 0.49% |
| 1962 | $465,994,962.22 | 1.04% |
| 1963 | $470,654,911.84 | 1.00% |
| 1964 | $472,544,080.60 | 0.40% |
| 1965 | $478,841,309.82 | 1.33% |
| 1966 | $493,198,992.44 | 3.00% |
| 1967 | $506,045,340.05 | 2.60% |
| 1968 | $527,455,919.40 | 4.23% |
| 1969 | $556,297,229.22 | 5.47% |
| 1970 | $588,161,209.07 | 5.73% |
| 1971 | $611,335,012.59 | 3.94% |
| 1972 | $628,715,365.24 | 2.84% |
| 1973 | $668,136,020.15 | 6.27% |
| 1974 | $738,790,931.99 | 10.57% |
| 1975 | $797,103,274.56 | 7.89% |
| 1976 | $835,264,483.63 | 4.79% |
| 1977 | $887,783,375.31 | 6.29% |
| 1978 | $964,987,405.54 | 8.70% |
| 1979 | $1,085,390,428.21 | 12.48% |
| 1980 | $1,241,939,546.60 | 14.42% |
| 1981 | $1,360,831,234.26 | 9.57% |
| 1982 | $1,453,652,392.95 | 6.82% |
| 1983 | $1,511,586,901.76 | 3.99% |
| 1984 | $1,568,639,798.49 | 3.77% |
| 1985 | $1,627,833,753.15 | 3.77% |
| 1986 | $1,661,838,790.93 | 2.09% |
| 1987 | $1,730,352,644.84 | 4.12% |
| 1988 | $1,797,984,886.65 | 3.91% |
| 1989 | $1,888,916,876.57 | 5.06% |
| 1990 | $1,990,428,211.59 | 5.37% |
| 1991 | $2,071,158,690.18 | 4.06% |
| 1992 | $2,131,863,979.85 | 2.93% |
| 1993 | $2,197,607,052.90 | 3.08% |
| 1994 | $2,245,717,884.13 | 2.19% |
| 1995 | $2,317,128,463.48 | 3.18% |
| 1996 | $2,379,093,198.99 | 2.67% |
| 1997 | $2,444,206,549.12 | 2.74% |
| 1998 | $2,493,450,881.61 | 2.01% |
| 1999 | $2,545,088,161.21 | 2.07% |
| 2000 | $2,626,826,196.47 | 3.21% |
| 2001 | $2,695,214,105.79 | 2.60% |
| 2002 | $2,738,161,209.07 | 1.59% |
| 2003 | $2,788,539,042.82 | 1.84% |
| 2004 | $2,850,881,612.09 | 2.24% |
| 2005 | $2,937,153,652.39 | 3.03% |
| 2006 | $2,997,355,163.73 | 2.05% |
| 2007 | $3,095,479,848.87 | 3.27% |
| 2008 | $3,212,124,685.14 | 3.77% |
| 2009 | $3,173,729,219.14 | -1.20% |
| 2010 | $3,217,185,138.54 | 1.37% |
| 2011 | $3,305,050,377.83 | 2.73% |
| 2012 | $3,355,235,516.37 | 1.52% |
| 2013 | $3,393,629,722.92 | 1.14% |
| 2014 | $3,452,913,098.24 | 1.75% |
| 2015 | $3,442,705,289.67 | -0.30% |
| 2016 | $3,465,517,632.24 | 0.66% |
| 2017 | $3,530,649,874.06 | 1.88% |
| 2018 | $3,592,537,783.38 | 1.75% |
| 2019 | $3,645,047,858.94 | 1.46% |
| 2020 | $3,685,734,256.93 | 1.12% |
| 2021 | $3,841,195,214.11 | 4.22% |
| 2022 | $4,131,326,196.47 | 7.55% |
| 2023 | $4,268,758,186.40 | 3.33% |
| 2024 | $4,416,498,740.55 | 3.46% |
| 2025 | $4,545,496,851.39 | 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 |