According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,928.52% higher in 2026 versus 1915 (a $48,759,815,890.18 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, $1,665,000,000 in Chicago in the year 1915 would cost $50,424,815,890.18 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 $1,665,000,000 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 | $1,665,000,000.00 | 0.17% |
| 1916 | $1,714,866,888.52 | 3.00% |
| 1917 | $1,954,504,991.68 | 13.97% |
| 1918 | $2,282,795,341.10 | 16.80% |
| 1919 | $2,770,382,695.51 | 21.36% |
| 1920 | $3,299,525,790.35 | 19.10% |
| 1921 | $3,021,102,329.45 | -8.44% |
| 1922 | $2,853,494,176.37 | -5.55% |
| 1923 | $2,888,123,960.07 | 1.21% |
| 1924 | $2,944,916,805.32 | 1.97% |
| 1925 | $3,010,020,798.67 | 2.21% |
| 1926 | $3,062,658,069.88 | 1.75% |
| 1927 | $3,034,954,242.93 | -0.90% |
| 1928 | $2,940,761,231.28 | -3.10% |
| 1929 | $2,933,835,274.54 | -0.24% |
| 1930 | $2,901,975,873.54 | -1.09% |
| 1931 | $2,652,641,430.95 | -8.59% |
| 1932 | $2,340,973,377.70 | -11.75% |
| 1933 | $2,099,950,083.19 | -10.30% |
| 1934 | $2,113,801,996.67 | 0.66% |
| 1935 | $2,205,224,625.62 | 4.33% |
| 1936 | $2,249,550,748.75 | 2.01% |
| 1937 | $2,342,358,569.05 | 4.13% |
| 1938 | $2,325,736,272.88 | -0.71% |
| 1939 | $2,280,024,958.40 | -1.97% |
| 1940 | $2,292,491,680.53 | 0.55% |
| 1941 | $2,413,003,327.79 | 5.26% |
| 1942 | $2,652,641,430.95 | 9.93% |
| 1943 | $2,800,856,905.16 | 5.59% |
| 1944 | $2,843,797,836.94 | 1.53% |
| 1945 | $2,904,746,256.24 | 2.14% |
| 1946 | $3,163,777,038.27 | 8.92% |
| 1947 | $3,674,912,645.59 | 16.16% |
| 1948 | $3,994,891,846.92 | 8.71% |
| 1949 | $3,990,736,272.88 | -0.10% |
| 1950 | $4,030,906,821.96 | 1.01% |
| 1951 | $4,348,115,640.60 | 7.87% |
| 1952 | $4,442,308,652.25 | 2.17% |
| 1953 | $4,481,094,009.98 | 0.87% |
| 1954 | $4,547,583,194.68 | 1.48% |
| 1955 | $4,578,057,404.33 | 0.67% |
| 1956 | $4,641,776,206.32 | 1.39% |
| 1957 | $4,792,762,063.23 | 3.25% |
| 1958 | $4,938,207,154.74 | 3.03% |
| 1959 | $4,978,377,703.83 | 0.81% |
| 1960 | $5,047,637,271.21 | 1.39% |
| 1961 | $5,072,570,715.47 | 0.49% |
| 1962 | $5,125,207,986.69 | 1.04% |
| 1963 | $5,176,460,066.56 | 1.00% |
| 1964 | $5,197,237,936.77 | 0.40% |
| 1965 | $5,266,497,504.16 | 1.33% |
| 1966 | $5,424,409,317.80 | 3.00% |
| 1967 | $5,565,698,835.27 | 2.60% |
| 1968 | $5,801,181,364.39 | 4.23% |
| 1969 | $6,118,390,183.03 | 5.47% |
| 1970 | $6,468,843,594.01 | 5.73% |
| 1971 | $6,723,718,802.00 | 3.94% |
| 1972 | $6,914,875,207.99 | 2.84% |
| 1973 | $7,348,440,099.83 | 6.27% |
| 1974 | $8,125,532,445.92 | 10.57% |
| 1975 | $8,766,876,039.93 | 7.89% |
| 1976 | $9,186,589,018.30 | 4.79% |
| 1977 | $9,764,213,810.32 | 6.29% |
| 1978 | $10,613,336,106.49 | 8.70% |
| 1979 | $11,937,579,034.94 | 12.48% |
| 1980 | $13,659,371,880.20 | 14.42% |
| 1981 | $14,966,992,512.48 | 9.57% |
| 1982 | $15,987,878,535.77 | 6.82% |
| 1983 | $16,625,066,555.74 | 3.99% |
| 1984 | $17,252,558,236.27 | 3.77% |
| 1985 | $17,903,598,169.72 | 3.77% |
| 1986 | $18,277,599,833.61 | 2.09% |
| 1987 | $19,031,143,926.79 | 4.12% |
| 1988 | $19,774,991,680.53 | 3.91% |
| 1989 | $20,775,099,833.61 | 5.06% |
| 1990 | $21,891,564,059.90 | 5.37% |
| 1991 | $22,779,471,713.81 | 4.06% |
| 1992 | $23,447,133,943.43 | 2.93% |
| 1993 | $24,170,203,826.96 | 3.08% |
| 1994 | $24,699,346,921.80 | 2.19% |
| 1995 | $25,484,750,415.97 | 3.18% |
| 1996 | $26,166,264,559.07 | 2.67% |
| 1997 | $26,882,408,485.86 | 2.74% |
| 1998 | $27,424,018,302.83 | 2.01% |
| 1999 | $27,991,946,755.41 | 2.07% |
| 2000 | $28,890,935,940.10 | 3.21% |
| 2001 | $29,643,094,841.93 | 2.60% |
| 2002 | $30,115,445,091.51 | 1.59% |
| 2003 | $30,669,521,630.62 | 1.84% |
| 2004 | $31,355,191,347.75 | 2.24% |
| 2005 | $32,304,047,420.97 | 3.03% |
| 2006 | $32,966,168,885.19 | 2.05% |
| 2007 | $34,045,385,316.14 | 3.27% |
| 2008 | $35,328,294,134.78 | 3.77% |
| 2009 | $34,906,004,700.50 | -1.20% |
| 2010 | $35,383,951,123.13 | 1.37% |
| 2011 | $36,350,329,866.89 | 2.73% |
| 2012 | $36,902,287,063.23 | 1.52% |
| 2013 | $37,324,562,645.59 | 1.14% |
| 2014 | $37,976,586,064.89 | 1.75% |
| 2015 | $37,864,316,306.16 | -0.30% |
| 2016 | $38,115,216,014.98 | 0.66% |
| 2017 | $38,831,567,720.47 | 1.88% |
| 2018 | $39,512,236,896.84 | 1.75% |
| 2019 | $40,089,764,725.46 | 1.46% |
| 2020 | $40,537,250,790.35 | 1.12% |
| 2021 | $42,247,075,582.36 | 4.22% |
| 2022 | $45,438,057,778.70 | 7.55% |
| 2023 | $46,949,592,429.28 | 3.33% |
| 2024 | $48,574,504,991.68 | 3.46% |
| 2025 | $50,116,569,259.57 | 3.17% |
| 2026 | $50,424,815,890.18 | 0.62%* |
* 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 | 303.356 |