According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 1,402.33% higher in 2025 versus 1920 (a $574,239,730.51 difference in value).
Between 1920 and 2025: Chicago experienced an average inflation rate of 2.61% per year. This rate of change indicates significant inflation. In other words, $40,948,900 in Chicago in the year 1920 would cost $615,188,630.51 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 2.67% 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 $40,948,900 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 | $40,948,900.00 | 19.10% |
| 1921 | $37,493,514.23 | -8.44% |
| 1922 | $35,413,406.38 | -5.55% |
| 1923 | $35,843,180.73 | 1.21% |
| 1924 | $36,548,010.66 | 1.97% |
| 1925 | $37,355,986.44 | 2.21% |
| 1926 | $38,009,243.45 | 1.75% |
| 1927 | $37,665,423.97 | -0.90% |
| 1928 | $36,496,437.74 | -3.10% |
| 1929 | $36,410,482.87 | -0.24% |
| 1930 | $36,015,090.47 | -1.09% |
| 1931 | $32,920,715.16 | -8.59% |
| 1932 | $29,052,746.01 | -11.75% |
| 1933 | $26,061,516.54 | -10.30% |
| 1934 | $26,233,426.28 | 0.66% |
| 1935 | $27,368,030.56 | 4.33% |
| 1936 | $27,918,141.73 | 2.01% |
| 1937 | $29,069,936.99 | 4.13% |
| 1938 | $28,863,645.30 | -0.71% |
| 1939 | $28,296,343.16 | -1.97% |
| 1940 | $28,451,061.92 | 0.55% |
| 1941 | $29,946,676.66 | 5.26% |
| 1942 | $32,920,715.16 | 9.93% |
| 1943 | $34,760,149.37 | 5.59% |
| 1944 | $35,293,069.56 | 1.53% |
| 1945 | $36,049,472.42 | 2.14% |
| 1946 | $39,264,184.55 | 8.92% |
| 1947 | $45,607,653.95 | 16.16% |
| 1948 | $49,578,768.93 | 8.71% |
| 1949 | $49,527,196.01 | -0.10% |
| 1950 | $50,025,734.26 | 1.01% |
| 1951 | $53,962,467.30 | 7.87% |
| 1952 | $55,131,453.53 | 2.17% |
| 1953 | $55,612,800.80 | 0.87% |
| 1954 | $56,437,967.55 | 1.48% |
| 1955 | $56,816,168.98 | 0.67% |
| 1956 | $57,606,953.78 | 1.39% |
| 1957 | $59,480,769.94 | 3.25% |
| 1958 | $61,285,822.21 | 3.03% |
| 1959 | $61,784,360.45 | 0.81% |
| 1960 | $62,643,909.15 | 1.39% |
| 1961 | $62,953,346.68 | 0.49% |
| 1962 | $63,606,603.69 | 1.04% |
| 1963 | $64,242,669.73 | 1.00% |
| 1964 | $64,500,534.34 | 0.40% |
| 1965 | $65,360,083.04 | 1.33% |
| 1966 | $67,319,854.07 | 3.00% |
| 1967 | $69,073,333.42 | 2.60% |
| 1968 | $71,995,798.99 | 4.23% |
| 1969 | $75,932,532.03 | 5.47% |
| 1970 | $80,281,848.45 | 5.73% |
| 1971 | $83,444,987.66 | 3.94% |
| 1972 | $85,817,342.07 | 2.84% |
| 1973 | $91,198,116.92 | 6.27% |
| 1974 | $100,842,253.32 | 10.57% |
| 1975 | $108,801,674.27 | 7.89% |
| 1976 | $114,010,539.38 | 4.79% |
| 1977 | $121,179,175.52 | 6.29% |
| 1978 | $131,717,242.57 | 8.70% |
| 1979 | $148,151,813.69 | 12.48% |
| 1980 | $169,520,194.33 | 14.42% |
| 1981 | $185,748,473.76 | 9.57% |
| 1982 | $198,418,221.58 | 6.82% |
| 1983 | $206,326,069.61 | 3.99% |
| 1984 | $214,113,580.81 | 3.77% |
| 1985 | $222,193,338.58 | 3.77% |
| 1986 | $226,834,901.55 | 2.09% |
| 1987 | $236,186,791.39 | 4.12% |
| 1988 | $245,418,344.42 | 3.91% |
| 1989 | $257,830,227.62 | 5.06% |
| 1990 | $271,686,152.64 | 5.37% |
| 1991 | $282,705,566.96 | 4.06% |
| 1992 | $290,991,616.41 | 2.93% |
| 1993 | $299,965,304.83 | 3.08% |
| 1994 | $306,532,256.88 | 2.19% |
| 1995 | $316,279,539.13 | 3.18% |
| 1996 | $324,737,498.32 | 2.67% |
| 1997 | $333,625,231.86 | 2.74% |
| 1998 | $340,346,902.69 | 2.01% |
| 1999 | $347,395,202.02 | 2.07% |
| 2000 | $358,552,144.12 | 3.21% |
| 2001 | $367,886,842.99 | 2.60% |
| 2002 | $373,748,965.11 | 1.59% |
| 2003 | $380,625,354.70 | 1.84% |
| 2004 | $389,134,886.82 | 2.24% |
| 2005 | $400,910,703.99 | 3.03% |
| 2006 | $409,127,989.55 | 2.05% |
| 2007 | $422,521,649.28 | 3.27% |
| 2008 | $438,443,241.73 | 3.77% |
| 2009 | $433,202,401.41 | -1.20% |
| 2010 | $439,133,975.07 | 1.37% |
| 2011 | $451,127,258.06 | 2.73% |
| 2012 | $457,977,345.45 | 1.52% |
| 2013 | $463,218,013.87 | 1.14% |
| 2014 | $471,309,977.23 | 1.75% |
| 2015 | $469,916,648.79 | -0.30% |
| 2016 | $473,030,449.90 | 0.66% |
| 2017 | $481,920,762.09 | 1.88% |
| 2018 | $490,368,234.79 | 1.75% |
| 2019 | $497,535,667.57 | 1.46% |
| 2020 | $503,089,211.71 | 1.12% |
| 2021 | $524,309,062.34 | 4.22% |
| 2022 | $563,910,877.62 | 7.55% |
| 2023 | $582,669,840.33 | 3.33% |
| 2024 | $602,835,884.26 | 3.46% |
| 2025 | $615,188,630.51 | 2.05%* |
* 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 | 298.213 |