According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,457.85% higher in 2025 versus 1917 (a $18,925,434.90 difference in value).
Between 1917 and 2025: Chicago experienced an average inflation rate of 3.05% per year. This rate of change indicates significant inflation. In other words, $770,000 in Chicago in the year 1917 would cost $19,695,434.90 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 3.03% during this same period, inflation in Chicago was higher.
In the year 1917: Pricing changed by 13.97%, which is significantly above the average yearly change in Chicago during the 1917-2025 time period. Compared to inflation for all items in 1917 (17.81%), inflation in Chicago was much lower.
Below are calculations of equivalent buying power in Chicago, over time, for $770,000 beginning in 1917. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1917 | $770,000.00 | 13.97% |
| 1918 | $899,333.81 | 16.80% |
| 1919 | $1,091,424.52 | 21.36% |
| 1920 | $1,299,886.61 | 19.10% |
| 1921 | $1,190,198.44 | -8.44% |
| 1922 | $1,124,167.26 | -5.55% |
| 1923 | $1,137,810.06 | 1.21% |
| 1924 | $1,160,184.27 | 1.97% |
| 1925 | $1,185,832.74 | 2.21% |
| 1926 | $1,206,569.81 | 1.75% |
| 1927 | $1,195,655.56 | -0.90% |
| 1928 | $1,158,547.13 | -3.10% |
| 1929 | $1,155,818.57 | -0.24% |
| 1930 | $1,143,267.19 | -1.09% |
| 1931 | $1,045,038.98 | -8.59% |
| 1932 | $922,253.72 | -11.75% |
| 1933 | $827,299.79 | -10.30% |
| 1934 | $832,756.91 | 0.66% |
| 1935 | $868,773.92 | 4.33% |
| 1936 | $886,236.71 | 2.01% |
| 1937 | $922,799.43 | 4.13% |
| 1938 | $916,250.89 | -0.71% |
| 1939 | $898,242.38 | -1.97% |
| 1940 | $903,153.79 | 0.55% |
| 1941 | $950,630.76 | 5.26% |
| 1942 | $1,045,038.98 | 9.93% |
| 1943 | $1,103,430.19 | 5.59% |
| 1944 | $1,120,347.27 | 1.53% |
| 1945 | $1,144,358.61 | 2.14% |
| 1946 | $1,246,406.80 | 8.92% |
| 1947 | $1,447,774.63 | 16.16% |
| 1948 | $1,573,834.16 | 8.71% |
| 1949 | $1,572,197.02 | -0.10% |
| 1950 | $1,588,022.68 | 1.01% |
| 1951 | $1,712,990.79 | 7.87% |
| 1952 | $1,750,099.22 | 2.17% |
| 1953 | $1,765,379.16 | 0.87% |
| 1954 | $1,791,573.35 | 1.48% |
| 1955 | $1,803,579.02 | 0.67% |
| 1956 | $1,828,681.79 | 1.39% |
| 1957 | $1,888,164.42 | 3.25% |
| 1958 | $1,945,464.21 | 3.03% |
| 1959 | $1,961,289.87 | 0.81% |
| 1960 | $1,988,575.48 | 1.39% |
| 1961 | $1,998,398.30 | 0.49% |
| 1962 | $2,019,135.36 | 1.04% |
| 1963 | $2,039,326.72 | 1.00% |
| 1964 | $2,047,512.40 | 0.40% |
| 1965 | $2,074,798.02 | 1.33% |
| 1966 | $2,137,009.21 | 3.00% |
| 1967 | $2,192,671.86 | 2.60% |
| 1968 | $2,285,442.95 | 4.23% |
| 1969 | $2,410,411.06 | 5.47% |
| 1970 | $2,548,476.26 | 5.73% |
| 1971 | $2,648,887.31 | 3.94% |
| 1972 | $2,724,195.61 | 2.84% |
| 1973 | $2,895,003.54 | 6.27% |
| 1974 | $3,201,148.12 | 10.57% |
| 1975 | $3,453,812.90 | 7.89% |
| 1976 | $3,619,163.71 | 4.79% |
| 1977 | $3,846,725.73 | 6.29% |
| 1978 | $4,181,247.34 | 8.70% |
| 1979 | $4,702,948.26 | 12.48% |
| 1980 | $5,381,268.60 | 14.42% |
| 1981 | $5,896,420.98 | 9.57% |
| 1982 | $6,298,610.91 | 6.82% |
| 1983 | $6,549,638.55 | 3.99% |
| 1984 | $6,796,846.21 | 3.77% |
| 1985 | $7,053,330.97 | 3.77% |
| 1986 | $7,200,673.28 | 2.09% |
| 1987 | $7,497,540.75 | 4.12% |
| 1988 | $7,790,588.24 | 3.91% |
| 1989 | $8,184,592.49 | 5.06% |
| 1990 | $8,624,436.57 | 5.37% |
| 1991 | $8,974,238.13 | 4.06% |
| 1992 | $9,237,271.44 | 2.93% |
| 1993 | $9,522,133.24 | 3.08% |
| 1994 | $9,730,595.32 | 2.19% |
| 1995 | $10,040,014.17 | 3.18% |
| 1996 | $10,308,504.61 | 2.67% |
| 1997 | $10,590,637.85 | 2.74% |
| 1998 | $10,804,011.34 | 2.01% |
| 1999 | $11,027,753.37 | 2.07% |
| 2000 | $11,381,920.62 | 3.21% |
| 2001 | $11,678,242.38 | 2.60% |
| 2002 | $11,864,330.26 | 1.59% |
| 2003 | $12,082,615.17 | 1.84% |
| 2004 | $12,352,742.74 | 2.24% |
| 2005 | $12,726,555.63 | 3.03% |
| 2006 | $12,987,406.09 | 2.05% |
| 2007 | $13,412,575.97 | 3.27% |
| 2008 | $13,917,992.84 | 3.77% |
| 2009 | $13,751,627.00 | -1.20% |
| 2010 | $13,939,919.56 | 1.37% |
| 2011 | $14,320,635.72 | 2.73% |
| 2012 | $14,538,085.68 | 1.52% |
| 2013 | $14,704,446.07 | 1.14% |
| 2014 | $14,961,318.28 | 1.75% |
| 2015 | $14,917,088.31 | -0.30% |
| 2016 | $15,015,933.17 | 0.66% |
| 2017 | $15,298,148.26 | 1.88% |
| 2018 | $15,566,305.81 | 1.75% |
| 2019 | $15,793,829.62 | 1.46% |
| 2020 | $15,970,121.97 | 1.12% |
| 2021 | $16,643,727.36 | 4.22% |
| 2022 | $17,900,851.95 | 7.55% |
| 2023 | $18,496,338.63 | 3.33% |
| 2024 | $19,136,491.85 | 3.46% |
| 2025 | $19,695,434.90 | 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 |