According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,913.37% higher in 2026 versus 1915 (a $26,678,561,629.11 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, $915,729,293 in Chicago in the year 1915 would cost $27,594,290,922.11 in 2026 for an equivalent purchase. Compared to the overall inflation rate of 3.17% 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 $915,729,293 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 | $915,729,293.00 | 0.17% |
| 1916 | $943,155,461.51 | 3.00% |
| 1917 | $1,074,953,437.96 | 13.97% |
| 1918 | $1,255,509,047.31 | 16.80% |
| 1919 | $1,523,676,028.29 | 21.36% |
| 1920 | $1,814,698,149.69 | 19.10% |
| 1921 | $1,661,568,708.85 | -8.44% |
| 1922 | $1,569,386,309.13 | -5.55% |
| 1923 | $1,588,432,259.49 | 1.21% |
| 1924 | $1,619,667,618.07 | 1.97% |
| 1925 | $1,655,474,004.73 | 2.21% |
| 1926 | $1,684,423,849.27 | 1.75% |
| 1927 | $1,669,187,088.99 | -0.90% |
| 1928 | $1,617,382,104.03 | -3.10% |
| 1929 | $1,613,572,913.96 | -0.24% |
| 1930 | $1,596,050,639.63 | -1.09% |
| 1931 | $1,458,919,797.08 | -8.59% |
| 1932 | $1,287,506,243.90 | -11.75% |
| 1933 | $1,154,946,429.44 | -10.30% |
| 1934 | $1,162,564,809.58 | 0.66% |
| 1935 | $1,212,846,118.52 | 4.33% |
| 1936 | $1,237,224,934.97 | 2.01% |
| 1937 | $1,288,268,081.92 | 4.13% |
| 1938 | $1,279,126,025.75 | -0.71% |
| 1939 | $1,253,985,371.28 | -1.97% |
| 1940 | $1,260,841,913.41 | 0.55% |
| 1941 | $1,327,121,820.64 | 5.26% |
| 1942 | $1,458,919,797.08 | 9.93% |
| 1943 | $1,540,436,464.60 | 5.59% |
| 1944 | $1,564,053,443.04 | 1.53% |
| 1945 | $1,597,574,315.66 | 2.14% |
| 1946 | $1,740,038,024.30 | 8.92% |
| 1947 | $2,021,156,251.52 | 16.16% |
| 1948 | $2,197,140,832.79 | 8.71% |
| 1949 | $2,194,855,318.75 | -0.10% |
| 1950 | $2,216,948,621.16 | 1.01% |
| 1951 | $2,391,409,526.40 | 7.87% |
| 1952 | $2,443,214,511.36 | 2.17% |
| 1953 | $2,464,545,975.75 | 0.87% |
| 1954 | $2,501,114,200.43 | 1.48% |
| 1955 | $2,517,874,636.74 | 0.67% |
| 1956 | $2,552,919,185.39 | 1.39% |
| 1957 | $2,635,959,528.94 | 3.25% |
| 1958 | $2,715,952,520.42 | 3.03% |
| 1959 | $2,738,045,822.83 | 0.81% |
| 1960 | $2,776,137,723.54 | 1.39% |
| 1961 | $2,789,850,807.79 | 0.49% |
| 1962 | $2,818,800,652.33 | 1.04% |
| 1963 | $2,846,988,658.85 | 1.00% |
| 1964 | $2,858,416,229.06 | 0.40% |
| 1965 | $2,896,508,129.77 | 1.33% |
| 1966 | $2,983,357,663.38 | 3.00% |
| 1967 | $3,061,065,140.83 | 2.60% |
| 1968 | $3,190,577,603.23 | 4.23% |
| 1969 | $3,365,038,508.47 | 5.47% |
| 1970 | $3,557,783,526.05 | 5.73% |
| 1971 | $3,697,961,720.65 | 3.94% |
| 1972 | $3,803,095,366.60 | 2.84% |
| 1973 | $4,041,550,665.03 | 6.27% |
| 1974 | $4,468,941,790.96 | 10.57% |
| 1975 | $4,821,672,791.51 | 7.89% |
| 1976 | $5,052,509,709.80 | 4.79% |
| 1977 | $5,370,196,161.69 | 6.29% |
| 1978 | $5,837,202,864.36 | 8.70% |
| 1979 | $6,565,520,005.89 | 12.48% |
| 1980 | $7,512,484,657.47 | 14.42% |
| 1981 | $8,231,659,742.82 | 9.57% |
| 1982 | $8,793,134,359.24 | 6.82% |
| 1983 | $9,143,579,845.75 | 3.99% |
| 1984 | $9,488,692,466.15 | 3.77% |
| 1985 | $9,846,756,332.80 | 3.77% |
| 1986 | $10,052,452,596.62 | 2.09% |
| 1987 | $10,466,892,476.31 | 4.12% |
| 1988 | $10,875,999,489.91 | 3.91% |
| 1989 | $11,426,046,536.12 | 5.06% |
| 1990 | $12,040,087,975.52 | 5.37% |
| 1991 | $12,528,426,142.58 | 4.06% |
| 1992 | $12,895,632,065.40 | 2.93% |
| 1993 | $13,293,311,508.78 | 3.08% |
| 1994 | $13,584,333,630.19 | 2.19% |
| 1995 | $14,016,295,784.20 | 3.18% |
| 1996 | $14,391,120,087.16 | 2.67% |
| 1997 | $14,784,990,340.48 | 2.74% |
| 1998 | $15,082,869,004.00 | 2.01% |
| 1999 | $15,395,222,589.80 | 2.07% |
| 2000 | $15,889,655,460.98 | 3.21% |
| 2001 | $16,303,333,502.66 | 2.60% |
| 2002 | $16,563,120,265.49 | 1.59% |
| 2003 | $16,867,855,471.14 | 1.84% |
| 2004 | $17,244,965,288.14 | 2.24% |
| 2005 | $17,766,824,327.83 | 3.03% |
| 2006 | $18,130,982,898.59 | 2.05% |
| 2007 | $18,724,538,513.79 | 3.27% |
| 2008 | $19,430,122,408.97 | 3.77% |
| 2009 | $19,197,868,471.98 | -1.20% |
| 2010 | $19,460,733,060.38 | 1.37% |
| 2011 | $19,992,229,350.94 | 2.73% |
| 2012 | $20,295,798,944.44 | 1.52% |
| 2013 | $20,528,045,263.05 | 1.14% |
| 2014 | $20,886,650,034.69 | 1.75% |
| 2015 | $20,824,903,063.64 | -0.30% |
| 2016 | $20,962,894,783.14 | 0.66% |
| 2017 | $21,356,879,312.16 | 1.88% |
| 2018 | $21,731,238,893.93 | 1.75% |
| 2019 | $22,048,872,017.16 | 1.46% |
| 2020 | $22,294,983,787.63 | 1.12% |
| 2021 | $23,235,366,158.77 | 4.22% |
| 2022 | $24,990,366,681.67 | 7.55% |
| 2023 | $25,821,691,941.09 | 3.33% |
| 2024 | $26,715,373,641.96 | 3.46% |
| 2025 | $27,566,341,163.11 | 3.19% |
| 2026 | $27,594,290,922.11 | 0.10%* |
* 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 | 301.533 | 301.839 |