According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,902.60% higher in 2025 versus 1915 (a $26,587,810,665.56 difference in value).
Between 1915 and 2025: Chicago experienced an average inflation rate of 3.14% per year. This rate of change indicates significant inflation. In other words, $916,000,000 in Chicago in the year 1915 would cost $27,503,810,665.56 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 3.19% during this same period, inflation in Chicago was lower.
In the year 1915: Pricing changed by 0.17%, which is below the average yearly change in Chicago during the 1915-2025 time period. Compared to inflation for all items in 1915 (0.92%), inflation in Chicago was lower.
Below are calculations of equivalent buying power in Chicago, over time, for $916,000,000 beginning in 1915. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1915 | $916,000,000.00 | 0.17% |
| 1916 | $943,434,276.21 | 3.00% |
| 1917 | $1,075,271,214.64 | 13.97% |
| 1918 | $1,255,880,199.67 | 16.80% |
| 1919 | $1,524,126,455.91 | 21.36% |
| 1920 | $1,815,234,608.99 | 19.10% |
| 1921 | $1,662,059,900.17 | -8.44% |
| 1922 | $1,569,850,249.58 | -5.55% |
| 1923 | $1,588,901,830.28 | 1.21% |
| 1924 | $1,620,146,422.63 | 1.97% |
| 1925 | $1,655,963,394.34 | 2.21% |
| 1926 | $1,684,921,797.00 | 1.75% |
| 1927 | $1,669,680,532.45 | -0.90% |
| 1928 | $1,617,860,232.95 | -3.10% |
| 1929 | $1,614,049,916.81 | -0.24% |
| 1930 | $1,596,522,462.56 | -1.09% |
| 1931 | $1,459,351,081.53 | -8.59% |
| 1932 | $1,287,886,855.24 | -11.75% |
| 1933 | $1,155,287,853.58 | -10.30% |
| 1934 | $1,162,908,485.86 | 0.66% |
| 1935 | $1,213,204,658.90 | 4.33% |
| 1936 | $1,237,590,682.20 | 2.01% |
| 1937 | $1,288,648,918.47 | 4.13% |
| 1938 | $1,279,504,159.73 | -0.71% |
| 1939 | $1,254,356,073.21 | -1.97% |
| 1940 | $1,261,214,642.26 | 0.55% |
| 1941 | $1,327,514,143.09 | 5.26% |
| 1942 | $1,459,351,081.53 | 9.93% |
| 1943 | $1,540,891,846.92 | 5.59% |
| 1944 | $1,564,515,806.99 | 1.53% |
| 1945 | $1,598,046,589.02 | 2.14% |
| 1946 | $1,740,552,412.65 | 8.92% |
| 1947 | $2,021,753,743.76 | 16.16% |
| 1948 | $2,197,790,349.42 | 8.71% |
| 1949 | $2,195,504,159.73 | -0.10% |
| 1950 | $2,217,603,993.34 | 1.01% |
| 1951 | $2,392,116,472.55 | 7.87% |
| 1952 | $2,443,936,772.05 | 2.17% |
| 1953 | $2,465,274,542.43 | 0.87% |
| 1954 | $2,501,853,577.37 | 1.48% |
| 1955 | $2,518,618,968.39 | 0.67% |
| 1956 | $2,553,673,876.87 | 1.39% |
| 1957 | $2,636,738,768.72 | 3.25% |
| 1958 | $2,716,755,407.65 | 3.03% |
| 1959 | $2,738,855,241.26 | 0.81% |
| 1960 | $2,776,958,402.66 | 1.39% |
| 1961 | $2,790,675,540.77 | 0.49% |
| 1962 | $2,819,633,943.43 | 1.04% |
| 1963 | $2,847,830,282.86 | 1.00% |
| 1964 | $2,859,261,231.28 | 0.40% |
| 1965 | $2,897,364,392.68 | 1.33% |
| 1966 | $2,984,239,600.67 | 3.00% |
| 1967 | $3,061,970,049.92 | 2.60% |
| 1968 | $3,191,520,798.67 | 4.23% |
| 1969 | $3,366,033,277.87 | 5.47% |
| 1970 | $3,558,835,274.54 | 5.73% |
| 1971 | $3,699,054,908.49 | 3.94% |
| 1972 | $3,804,219,633.94 | 2.84% |
| 1973 | $4,042,745,424.29 | 6.27% |
| 1974 | $4,470,262,895.17 | 10.57% |
| 1975 | $4,823,098,169.72 | 7.89% |
| 1976 | $5,054,003,327.79 | 4.79% |
| 1977 | $5,371,783,693.84 | 6.29% |
| 1978 | $5,838,928,452.58 | 8.70% |
| 1979 | $6,567,460,898.50 | 12.48% |
| 1980 | $7,514,705,490.85 | 14.42% |
| 1981 | $8,234,093,178.04 | 9.57% |
| 1982 | $8,795,733,777.04 | 6.82% |
| 1983 | $9,146,282,861.90 | 3.99% |
| 1984 | $9,491,497,504.16 | 3.77% |
| 1985 | $9,849,667,221.30 | 3.77% |
| 1986 | $10,055,424,292.85 | 2.09% |
| 1987 | $10,469,986,688.85 | 4.12% |
| 1988 | $10,879,214,642.26 | 3.91% |
| 1989 | $11,429,424,292.85 | 5.06% |
| 1990 | $12,043,647,254.58 | 5.37% |
| 1991 | $12,532,129,783.69 | 4.06% |
| 1992 | $12,899,444,259.57 | 2.93% |
| 1993 | $13,297,241,264.56 | 3.08% |
| 1994 | $13,588,349,417.64 | 2.19% |
| 1995 | $14,020,439,267.89 | 3.18% |
| 1996 | $14,395,374,376.04 | 2.67% |
| 1997 | $14,789,361,064.89 | 2.74% |
| 1998 | $15,087,327,787.02 | 2.01% |
| 1999 | $15,399,773,710.48 | 2.07% |
| 2000 | $15,894,352,745.42 | 3.21% |
| 2001 | $16,308,153,078.20 | 2.60% |
| 2002 | $16,568,016,638.94 | 1.59% |
| 2003 | $16,872,841,930.12 | 1.84% |
| 2004 | $17,250,063,227.95 | 2.24% |
| 2005 | $17,772,076,539.10 | 3.03% |
| 2006 | $18,136,342,762.06 | 2.05% |
| 2007 | $18,730,073,843.59 | 3.27% |
| 2008 | $19,435,866,322.80 | 3.77% |
| 2009 | $19,203,543,727.12 | -1.20% |
| 2010 | $19,466,486,023.29 | 1.37% |
| 2011 | $19,998,139,434.28 | 2.73% |
| 2012 | $20,301,798,768.72 | 1.52% |
| 2013 | $20,534,113,743.76 | 1.14% |
| 2014 | $20,892,824,525.79 | 1.75% |
| 2015 | $20,831,059,301.16 | -0.30% |
| 2016 | $20,969,091,813.64 | 0.66% |
| 2017 | $21,363,192,811.98 | 1.88% |
| 2018 | $21,737,663,061.56 | 1.75% |
| 2019 | $22,055,390,083.19 | 1.46% |
| 2020 | $22,301,574,608.99 | 1.12% |
| 2021 | $23,242,234,975.04 | 4.22% |
| 2022 | $24,997,754,309.48 | 7.55% |
| 2023 | $25,829,325,324.46 | 3.33% |
| 2024 | $26,723,271,214.64 | 3.46% |
| 2025 | $27,503,810,665.56 | 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 |