According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,902.60% higher in 2025 versus 1915 (a $358,345,603,854.77 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, $12,345,678,900 in Chicago in the year 1915 would cost $370,691,282,754.77 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 $12,345,678,900 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 | $12,345,678,900.00 | 0.17% |
| 1916 | $12,715,433,010.15 | 3.00% |
| 1917 | $14,492,306,928.37 | 13.97% |
| 1918 | $16,926,521,486.86 | 16.80% |
| 1919 | $20,541,895,008.32 | 21.36% |
| 1920 | $24,465,396,954.91 | 19.10% |
| 1921 | $22,400,936,506.57 | -8.44% |
| 1922 | $21,158,151,858.57 | -5.55% |
| 1923 | $21,414,925,546.17 | 1.21% |
| 1924 | $21,836,034,393.84 | 1.97% |
| 1925 | $22,318,768,926.54 | 2.21% |
| 1926 | $22,709,064,931.70 | 1.75% |
| 1927 | $22,503,645,981.61 | -0.90% |
| 1928 | $21,805,221,551.33 | -3.10% |
| 1929 | $21,753,866,813.81 | -0.24% |
| 1930 | $21,517,635,021.21 | -1.09% |
| 1931 | $19,668,864,470.47 | -8.59% |
| 1932 | $17,357,901,282.03 | -11.75% |
| 1933 | $15,570,756,416.31 | -10.30% |
| 1934 | $15,673,465,891.35 | 0.66% |
| 1935 | $16,351,348,426.62 | 4.33% |
| 1936 | $16,680,018,746.76 | 2.01% |
| 1937 | $17,368,172,229.53 | 4.13% |
| 1938 | $17,244,920,859.48 | -0.71% |
| 1939 | $16,905,979,591.85 | -1.97% |
| 1940 | $16,998,418,119.38 | 0.55% |
| 1941 | $17,891,990,552.25 | 5.26% |
| 1942 | $19,668,864,470.47 | 9.93% |
| 1943 | $20,767,855,853.41 | 5.59% |
| 1944 | $21,086,255,226.04 | 1.53% |
| 1945 | $21,538,176,916.22 | 2.14% |
| 1946 | $23,458,844,099.50 | 8.92% |
| 1947 | $27,248,823,728.54 | 16.16% |
| 1948 | $29,621,412,602.00 | 8.71% |
| 1949 | $29,590,599,759.48 | -0.10% |
| 1950 | $29,888,457,237.10 | 1.01% |
| 1951 | $32,240,504,215.56 | 7.87% |
| 1952 | $32,938,928,645.84 | 2.17% |
| 1953 | $33,226,515,175.96 | 0.87% |
| 1954 | $33,719,520,656.16 | 1.48% |
| 1955 | $33,945,481,501.25 | 0.67% |
| 1956 | $34,417,945,086.44 | 1.39% |
| 1957 | $35,537,478,364.39 | 3.25% |
| 1958 | $36,615,927,852.33 | 3.03% |
| 1959 | $36,913,785,329.95 | 0.81% |
| 1960 | $37,427,332,705.16 | 1.39% |
| 1961 | $37,612,209,760.23 | 0.49% |
| 1962 | $38,002,505,765.39 | 1.04% |
| 1963 | $38,382,530,823.04 | 1.00% |
| 1964 | $38,536,595,035.61 | 0.40% |
| 1965 | $39,050,142,410.82 | 1.33% |
| 1966 | $40,221,030,426.29 | 3.00% |
| 1967 | $41,268,667,071.71 | 2.60% |
| 1968 | $43,014,728,147.42 | 4.23% |
| 1969 | $45,366,775,125.87 | 5.47% |
| 1970 | $47,965,324,844.43 | 5.73% |
| 1971 | $49,855,179,185.19 | 3.94% |
| 1972 | $51,272,569,940.77 | 2.84% |
| 1973 | $54,487,376,509.57 | 6.27% |
| 1974 | $60,249,378,059.40 | 10.57% |
| 1975 | $65,004,826,753.83 | 7.89% |
| 1976 | $68,116,923,847.59 | 4.79% |
| 1977 | $72,399,908,956.82 | 6.29% |
| 1978 | $78,695,999,776.87 | 8.70% |
| 1979 | $88,515,025,590.85 | 12.48% |
| 1980 | $101,281,813,338.52 | 14.42% |
| 1981 | $110,977,587,782.45 | 9.57% |
| 1982 | $118,547,276,093.01 | 6.82% |
| 1983 | $123,271,911,944.93 | 3.99% |
| 1984 | $127,924,651,164.31 | 3.77% |
| 1985 | $132,751,996,491.26 | 3.77% |
| 1986 | $135,525,152,317.39 | 2.09% |
| 1987 | $141,112,547,759.65 | 4.12% |
| 1988 | $146,628,046,569.38 | 3.91% |
| 1989 | $154,043,670,667.39 | 5.06% |
| 1990 | $162,322,054,355.74 | 5.37% |
| 1991 | $168,905,731,705.91 | 4.06% |
| 1992 | $173,856,328,402.91 | 2.93% |
| 1993 | $179,217,763,000.08 | 3.08% |
| 1994 | $183,141,264,946.67 | 2.19% |
| 1995 | $188,964,892,181.53 | 3.18% |
| 1996 | $194,018,198,353.58 | 2.67% |
| 1997 | $199,328,278,213.23 | 2.74% |
| 1998 | $203,344,218,687.35 | 2.01% |
| 1999 | $207,555,307,164.06 | 2.07% |
| 2000 | $214,221,152,094.26 | 3.21% |
| 2001 | $219,798,276,589.02 | 2.60% |
| 2002 | $223,300,669,687.94 | 1.59% |
| 2003 | $227,409,048,689.60 | 1.84% |
| 2004 | $232,493,167,704.16 | 2.24% |
| 2005 | $239,528,766,744.51 | 3.03% |
| 2006 | $244,438,279,651.50 | 2.05% |
| 2007 | $252,440,477,561.46 | 3.27% |
| 2008 | $261,953,018,301.92 | 3.77% |
| 2009 | $258,821,817,245.80 | -1.20% |
| 2010 | $262,365,704,972.63 | 1.37% |
| 2011 | $269,531,231,498.91 | 2.73% |
| 2012 | $273,623,895,950.89 | 1.52% |
| 2013 | $276,754,994,297.54 | 1.14% |
| 2014 | $281,589,631,997.22 | 1.75% |
| 2015 | $280,757,171,702.01 | -0.30% |
| 2016 | $282,617,548,423.44 | 0.66% |
| 2017 | $287,929,168,925.21 | 1.88% |
| 2018 | $292,976,209,819.28 | 1.75% |
| 2019 | $297,258,475,962.19 | 1.46% |
| 2020 | $300,576,505,553.41 | 1.12% |
| 2021 | $313,254,552,314.64 | 4.22% |
| 2022 | $336,915,117,823.13 | 7.55% |
| 2023 | $348,122,878,449.14 | 3.33% |
| 2024 | $360,171,316,128.37 | 3.46% |
| 2025 | $370,691,282,754.77 | 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 |