According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,902.60% higher in 2025 versus 1915 (a $275,746,944,675.54 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, $9,500,000,000 in Chicago in the year 1915 would cost $285,246,944,675.54 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 $9,500,000,000 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 | $9,500,000,000.00 | 0.17% |
| 1916 | $9,784,525,790.35 | 3.00% |
| 1917 | $11,151,830,282.86 | 13.97% |
| 1918 | $13,024,958,402.66 | 16.80% |
| 1919 | $15,806,988,352.75 | 21.36% |
| 1920 | $18,826,123,128.12 | 19.10% |
| 1921 | $17,237,520,798.67 | -8.44% |
| 1922 | $16,281,198,003.33 | -5.55% |
| 1923 | $16,478,785,357.74 | 1.21% |
| 1924 | $16,802,828,618.97 | 1.97% |
| 1925 | $17,174,292,845.26 | 2.21% |
| 1926 | $17,474,625,623.96 | 1.75% |
| 1927 | $17,316,555,740.43 | -0.90% |
| 1928 | $16,779,118,136.44 | -3.10% |
| 1929 | $16,739,600,665.56 | -0.24% |
| 1930 | $16,557,820,299.50 | -1.09% |
| 1931 | $15,135,191,347.75 | -8.59% |
| 1932 | $13,356,905,158.07 | -11.75% |
| 1933 | $11,981,697,171.38 | -10.30% |
| 1934 | $12,060,732,113.14 | 0.66% |
| 1935 | $12,582,362,728.79 | 4.33% |
| 1936 | $12,835,274,542.43 | 2.01% |
| 1937 | $13,364,808,652.25 | 4.13% |
| 1938 | $13,269,966,722.13 | -0.71% |
| 1939 | $13,009,151,414.31 | -1.97% |
| 1940 | $13,080,282,861.90 | 0.55% |
| 1941 | $13,767,886,855.24 | 5.26% |
| 1942 | $15,135,191,347.75 | 9.93% |
| 1943 | $15,980,865,224.63 | 5.59% |
| 1944 | $16,225,873,544.09 | 1.53% |
| 1945 | $16,573,627,287.85 | 2.14% |
| 1946 | $18,051,580,698.84 | 8.92% |
| 1947 | $20,967,970,049.92 | 16.16% |
| 1948 | $22,793,677,204.66 | 8.71% |
| 1949 | $22,769,966,722.13 | -0.10% |
| 1950 | $22,999,168,053.24 | 1.01% |
| 1951 | $24,809,068,219.63 | 7.87% |
| 1952 | $25,346,505,823.63 | 2.17% |
| 1953 | $25,567,803,660.57 | 0.87% |
| 1954 | $25,947,171,381.03 | 1.48% |
| 1955 | $26,121,048,252.91 | 0.67% |
| 1956 | $26,484,608,985.02 | 1.39% |
| 1957 | $27,346,089,850.25 | 3.25% |
| 1958 | $28,175,956,738.77 | 3.03% |
| 1959 | $28,405,158,069.88 | 0.81% |
| 1960 | $28,800,332,778.70 | 1.39% |
| 1961 | $28,942,595,673.88 | 0.49% |
| 1962 | $29,242,928,452.58 | 1.04% |
| 1963 | $29,535,357,737.10 | 1.00% |
| 1964 | $29,653,910,149.75 | 0.40% |
| 1965 | $30,049,084,858.57 | 1.33% |
| 1966 | $30,950,083,194.68 | 3.00% |
| 1967 | $31,756,239,600.67 | 2.60% |
| 1968 | $33,099,833,610.65 | 4.23% |
| 1969 | $34,909,733,777.04 | 5.47% |
| 1970 | $36,909,317,803.66 | 5.73% |
| 1971 | $38,363,560,732.11 | 3.94% |
| 1972 | $39,454,242,928.45 | 2.84% |
| 1973 | $41,928,036,605.66 | 6.27% |
| 1974 | $46,361,896,838.60 | 10.57% |
| 1975 | $50,021,214,642.26 | 7.89% |
| 1976 | $52,415,973,377.70 | 4.79% |
| 1977 | $55,711,730,449.25 | 6.29% |
| 1978 | $60,556,572,379.37 | 8.70% |
| 1979 | $68,112,312,811.98 | 12.48% |
| 1980 | $77,936,356,073.21 | 14.42% |
| 1981 | $85,397,254,575.71 | 9.57% |
| 1982 | $91,222,129,783.69 | 6.82% |
| 1983 | $94,857,737,104.83 | 3.99% |
| 1984 | $98,438,019,966.72 | 3.77% |
| 1985 | $102,152,662,229.62 | 3.77% |
| 1986 | $104,286,605,657.24 | 2.09% |
| 1987 | $108,586,106,489.18 | 4.12% |
| 1988 | $112,830,282,861.90 | 3.91% |
| 1989 | $118,536,605,657.24 | 5.06% |
| 1990 | $124,906,821,963.39 | 5.37% |
| 1991 | $129,972,961,730.45 | 4.06% |
| 1992 | $133,782,445,923.46 | 2.93% |
| 1993 | $137,908,069,883.53 | 3.08% |
| 1994 | $140,927,204,658.90 | 2.19% |
| 1995 | $145,408,485,856.91 | 3.18% |
| 1996 | $149,297,004,991.68 | 2.67% |
| 1997 | $153,383,111,480.87 | 2.74% |
| 1998 | $156,473,377,703.83 | 2.01% |
| 1999 | $159,713,810,316.14 | 2.07% |
| 2000 | $164,843,178,036.61 | 3.21% |
| 2001 | $169,134,775,374.38 | 2.60% |
| 2002 | $171,829,866,888.52 | 1.59% |
| 2003 | $174,991,264,559.07 | 1.84% |
| 2004 | $178,903,494,176.37 | 2.24% |
| 2005 | $184,317,387,687.19 | 3.03% |
| 2006 | $188,095,257,903.49 | 2.05% |
| 2007 | $194,252,949,251.25 | 3.27% |
| 2008 | $201,572,849,417.64 | 3.77% |
| 2009 | $199,163,390,183.03 | -1.20% |
| 2010 | $201,890,411,813.64 | 1.37% |
| 2011 | $207,404,284,525.79 | 2.73% |
| 2012 | $210,553,589,850.25 | 1.52% |
| 2013 | $212,962,970,049.92 | 1.14% |
| 2014 | $216,683,223,793.68 | 1.75% |
| 2015 | $216,042,645,590.68 | -0.30% |
| 2016 | $217,474,205,490.85 | 0.66% |
| 2017 | $221,561,497,504.16 | 1.88% |
| 2018 | $225,445,195,507.49 | 1.75% |
| 2019 | $228,740,399,334.44 | 1.46% |
| 2020 | $231,293,623,128.12 | 1.12% |
| 2021 | $241,049,380,199.67 | 4.22% |
| 2022 | $259,256,185,524.13 | 7.55% |
| 2023 | $267,880,557,404.33 | 3.33% |
| 2024 | $277,151,830,282.86 | 3.46% |
| 2025 | $285,246,944,675.54 | 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 |