According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,939.28% higher in 2026 versus 1915 (a $28,812,835,830.93 difference in value).
Between 1915 and 2026:Chicago experienced an average inflation rate of 3.12% per year. This rate of change indicates significant inflation. In other words, $980,266,986 in Chicago in the year 1915 would cost $29,793,102,816.93 in 2026 for an equivalent purchase. Compared to the overall inflation rate of 3.18% 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 1915-2026 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 $980,266,986 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 | $980,266,986.00 | 0.17% |
| 1916 | $1,009,626,063.78 | 3.00% |
| 1917 | $1,150,712,743.13 | 13.97% |
| 1918 | $1,343,993,338.54 | 16.80% |
| 1919 | $1,631,059,876.87 | 21.36% |
| 1920 | $1,942,592,313.35 | 19.10% |
| 1921 | $1,778,670,795.73 | -8.44% |
| 1922 | $1,679,991,673.18 | -5.55% |
| 1923 | $1,700,379,921.64 | 1.21% |
| 1924 | $1,733,816,649.11 | 1.97% |
| 1925 | $1,772,146,556.22 | 2.21% |
| 1926 | $1,803,136,693.88 | 1.75% |
| 1927 | $1,786,826,095.11 | -0.90% |
| 1928 | $1,731,370,059.30 | -3.10% |
| 1929 | $1,727,292,409.61 | -0.24% |
| 1930 | $1,708,535,221.02 | -1.09% |
| 1931 | $1,561,739,832.10 | -8.59% |
| 1932 | $1,378,245,595.96 | -11.75% |
| 1933 | $1,236,343,386.67 | -10.30% |
| 1934 | $1,244,498,686.05 | 0.66% |
| 1935 | $1,298,323,661.99 | 4.33% |
| 1936 | $1,324,420,620.02 | 2.01% |
| 1937 | $1,379,061,125.90 | 4.13% |
| 1938 | $1,369,274,766.63 | -0.71% |
| 1939 | $1,342,362,278.67 | -1.97% |
| 1940 | $1,349,702,048.11 | 0.55% |
| 1941 | $1,420,653,152.76 | 5.26% |
| 1942 | $1,561,739,832.10 | 9.93% |
| 1943 | $1,649,001,535.52 | 5.59% |
| 1944 | $1,674,282,963.61 | 1.53% |
| 1945 | $1,710,166,280.90 | 2.14% |
| 1946 | $1,862,670,379.39 | 8.92% |
| 1947 | $2,163,600,926.67 | 16.16% |
| 1948 | $2,351,988,342.45 | 8.71% |
| 1949 | $2,349,541,752.63 | -0.10% |
| 1950 | $2,373,192,120.85 | 1.01% |
| 1951 | $2,559,948,476.75 | 7.87% |
| 1952 | $2,615,404,512.56 | 2.17% |
| 1953 | $2,638,239,350.84 | 0.87% |
| 1954 | $2,677,384,787.89 | 1.48% |
| 1955 | $2,695,326,446.53 | 0.67% |
| 1956 | $2,732,840,823.70 | 1.39% |
| 1957 | $2,821,733,586.99 | 3.25% |
| 1958 | $2,907,364,230.52 | 3.03% |
| 1959 | $2,931,014,598.74 | 0.81% |
| 1960 | $2,971,791,095.66 | 1.39% |
| 1961 | $2,986,470,634.55 | 0.49% |
| 1962 | $3,017,460,772.21 | 1.04% |
| 1963 | $3,047,635,379.94 | 1.00% |
| 1964 | $3,059,868,329.01 | 0.40% |
| 1965 | $3,100,644,825.93 | 1.33% |
| 1966 | $3,193,615,238.92 | 3.00% |
| 1967 | $3,276,799,292.64 | 2.60% |
| 1968 | $3,415,439,382.17 | 4.23% |
| 1969 | $3,602,195,738.07 | 5.47% |
| 1970 | $3,808,524,812.50 | 5.73% |
| 1971 | $3,958,582,321.17 | 3.94% |
| 1972 | $4,071,125,452.67 | 2.84% |
| 1973 | $4,326,386,323.40 | 6.27% |
| 1974 | $4,783,898,618.87 | 10.57% |
| 1975 | $5,161,488,980.36 | 7.89% |
| 1976 | $5,408,594,551.71 | 4.79% |
| 1977 | $5,748,670,536.03 | 6.29% |
| 1978 | $6,248,590,388.30 | 8.70% |
| 1979 | $7,028,237,009.44 | 12.48% |
| 1980 | $8,041,940,722.92 | 14.42% |
| 1981 | $8,811,800,984.80 | 9.57% |
| 1982 | $9,412,846,549.43 | 6.82% |
| 1983 | $9,787,990,321.11 | 3.99% |
| 1984 | $10,157,425,383.22 | 3.77% |
| 1985 | $10,540,724,454.28 | 3.77% |
| 1986 | $10,760,917,537.66 | 2.09% |
| 1987 | $11,204,565,824.17 | 4.12% |
| 1988 | $11,642,505,401.11 | 3.91% |
| 1989 | $12,231,318,016.66 | 5.06% |
| 1990 | $12,888,635,147.04 | 5.37% |
| 1991 | $13,411,389,837.58 | 4.06% |
| 1992 | $13,804,475,267.91 | 2.93% |
| 1993 | $14,230,181,895.77 | 3.08% |
| 1994 | $14,541,714,332.25 | 2.19% |
| 1995 | $15,004,119,807.34 | 3.18% |
| 1996 | $15,405,360,537.05 | 2.67% |
| 1997 | $15,826,989,515.23 | 2.74% |
| 1998 | $16,145,861,721.15 | 2.01% |
| 1999 | $16,480,228,995.91 | 2.07% |
| 2000 | $17,009,507,925.96 | 3.21% |
| 2001 | $17,452,340,682.53 | 2.60% |
| 2002 | $17,730,436,391.54 | 1.59% |
| 2003 | $18,056,648,366.91 | 1.84% |
| 2004 | $18,460,335,686.44 | 2.24% |
| 2005 | $19,018,973,694.26 | 3.03% |
| 2006 | $19,408,797,004.84 | 2.05% |
| 2007 | $20,044,184,535.17 | 3.27% |
| 2008 | $20,799,495,742.95 | 3.77% |
| 2009 | $20,550,873,285.92 | -1.20% |
| 2010 | $20,832,263,735.88 | 1.37% |
| 2011 | $21,401,218,197.43 | 2.73% |
| 2012 | $21,726,182,412.00 | 1.52% |
| 2013 | $21,974,796,713.73 | 1.14% |
| 2014 | $22,358,674,811.05 | 1.75% |
| 2015 | $22,292,576,109.54 | -0.30% |
| 2016 | $22,440,293,047.29 | 0.66% |
| 2017 | $22,862,044,354.95 | 1.88% |
| 2018 | $23,262,787,611.40 | 1.75% |
| 2019 | $23,602,806,508.63 | 1.46% |
| 2020 | $23,866,263,455.24 | 1.12% |
| 2021 | $24,872,920,990.05 | 4.22% |
| 2022 | $26,751,608,377.43 | 7.55% |
| 2023 | $27,641,522,801.55 | 3.33% |
| 2024 | $28,598,188,351.13 | 3.46% |
| 2025 | $29,506,077,055.10 | 3.17% |
| 2026 | $29,793,102,816.93 | 0.97%* |
* 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 | 2026 |
| 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 | 301.502 | 304.435 |