According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 1,415.17% higher in 2025 versus 1920 (a $481,156,309.82 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, $34,000,000 in Chicago in the year 1920 would cost $515,156,309.82 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 $34,000,000 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 | $34,000,000.00 | 19.10% |
| 1921 | $31,130,982.37 | -8.44% |
| 1922 | $29,403,862.30 | -5.55% |
| 1923 | $29,760,705.29 | 1.21% |
| 1924 | $30,345,927.79 | 1.97% |
| 1925 | $31,016,792.61 | 2.21% |
| 1926 | $31,559,193.95 | 1.75% |
| 1927 | $31,273,719.56 | -0.90% |
| 1928 | $30,303,106.63 | -3.10% |
| 1929 | $30,231,738.04 | -0.24% |
| 1930 | $29,903,442.49 | -1.09% |
| 1931 | $27,334,172.96 | -8.59% |
| 1932 | $24,122,586.06 | -11.75% |
| 1933 | $21,638,958.86 | -10.30% |
| 1934 | $21,781,696.05 | 0.66% |
| 1935 | $22,723,761.54 | 4.33% |
| 1936 | $23,180,520.57 | 2.01% |
| 1937 | $24,136,859.78 | 4.13% |
| 1938 | $23,965,575.15 | -0.71% |
| 1939 | $23,494,542.40 | -1.97% |
| 1940 | $23,623,005.88 | 0.55% |
| 1941 | $24,864,819.48 | 5.26% |
| 1942 | $27,334,172.96 | 9.93% |
| 1943 | $28,861,460.96 | 5.59% |
| 1944 | $29,303,946.26 | 1.53% |
| 1945 | $29,931,989.92 | 2.14% |
| 1946 | $32,601,175.48 | 8.92% |
| 1947 | $37,868,178.00 | 16.16% |
| 1948 | $41,165,407.22 | 8.71% |
| 1949 | $41,122,586.06 | -0.10% |
| 1950 | $41,536,523.93 | 1.01% |
| 1951 | $44,805,205.71 | 7.87% |
| 1952 | $45,775,818.64 | 2.17% |
| 1953 | $46,175,482.79 | 0.87% |
| 1954 | $46,860,621.33 | 1.48% |
| 1955 | $47,174,643.16 | 0.67% |
| 1956 | $47,831,234.26 | 1.39% |
| 1957 | $49,387,069.69 | 3.25% |
| 1958 | $50,885,810.24 | 3.03% |
| 1959 | $51,299,748.11 | 0.81% |
| 1960 | $52,013,434.09 | 1.39% |
| 1961 | $52,270,361.04 | 0.49% |
| 1962 | $52,812,762.38 | 1.04% |
| 1963 | $53,340,890.01 | 1.00% |
| 1964 | $53,554,995.80 | 0.40% |
| 1965 | $54,268,681.78 | 1.33% |
| 1966 | $55,895,885.81 | 3.00% |
| 1967 | $57,351,805.21 | 2.60% |
| 1968 | $59,778,337.53 | 4.23% |
| 1969 | $63,047,019.31 | 5.47% |
| 1970 | $66,658,270.36 | 5.73% |
| 1971 | $69,284,634.76 | 3.94% |
| 1972 | $71,254,408.06 | 2.84% |
| 1973 | $75,722,082.28 | 6.27% |
| 1974 | $83,729,638.96 | 10.57% |
| 1975 | $90,338,371.12 | 7.89% |
| 1976 | $94,663,308.14 | 4.79% |
| 1977 | $100,615,449.20 | 6.29% |
| 1978 | $109,365,239.29 | 8.70% |
| 1979 | $123,010,915.20 | 12.48% |
| 1980 | $140,753,148.61 | 14.42% |
| 1981 | $154,227,539.88 | 9.57% |
| 1982 | $164,747,271.20 | 6.82% |
| 1983 | $171,313,182.20 | 3.99% |
| 1984 | $177,779,177.16 | 3.77% |
| 1985 | $184,487,825.36 | 3.77% |
| 1986 | $188,341,729.64 | 2.09% |
| 1987 | $196,106,633.08 | 4.12% |
| 1988 | $203,771,620.49 | 3.91% |
| 1989 | $214,077,246.01 | 5.06% |
| 1990 | $225,581,863.98 | 5.37% |
| 1991 | $234,731,318.22 | 4.06% |
| 1992 | $241,611,251.05 | 2.93% |
| 1993 | $249,062,132.66 | 3.08% |
| 1994 | $254,514,693.53 | 2.19% |
| 1995 | $262,607,892.53 | 3.18% |
| 1996 | $269,630,562.55 | 2.67% |
| 1997 | $277,010,075.57 | 2.74% |
| 1998 | $282,591,099.92 | 2.01% |
| 1999 | $288,443,324.94 | 2.07% |
| 2000 | $297,706,968.93 | 3.21% |
| 2001 | $305,457,598.66 | 2.60% |
| 2002 | $310,324,937.03 | 1.59% |
| 2003 | $316,034,424.85 | 1.84% |
| 2004 | $323,099,916.04 | 2.24% |
| 2005 | $332,877,413.94 | 3.03% |
| 2006 | $339,700,251.89 | 2.05% |
| 2007 | $350,821,049.54 | 3.27% |
| 2008 | $364,040,797.65 | 3.77% |
| 2009 | $359,689,311.50 | -1.20% |
| 2010 | $364,614,315.70 | 1.37% |
| 2011 | $374,572,376.15 | 2.73% |
| 2012 | $380,260,025.19 | 1.52% |
| 2013 | $384,611,368.60 | 1.14% |
| 2014 | $391,330,151.13 | 1.75% |
| 2015 | $390,173,266.16 | -0.30% |
| 2016 | $392,758,664.99 | 0.66% |
| 2017 | $400,140,319.06 | 1.88% |
| 2018 | $407,154,282.12 | 1.75% |
| 2019 | $413,105,424.01 | 1.46% |
| 2020 | $417,716,549.12 | 1.12% |
| 2021 | $435,335,457.60 | 4.22% |
| 2022 | $468,216,968.93 | 7.55% |
| 2023 | $483,792,594.46 | 3.33% |
| 2024 | $500,536,523.93 | 3.46% |
| 2025 | $515,156,309.82 | 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 |