According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,902.60% higher in 2025 versus 1915 (a $24,082,867,368.14 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, $829,700,000 in Chicago in the year 1915 would cost $24,912,567,368.14 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 $829,700,000 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 | $829,700,000.00 | 0.17% |
| 1916 | $854,549,584.03 | 3.00% |
| 1917 | $973,965,640.60 | 13.97% |
| 1918 | $1,137,558,735.44 | 16.80% |
| 1919 | $1,380,532,445.92 | 21.36% |
| 1920 | $1,644,214,143.09 | 19.10% |
| 1921 | $1,505,470,632.28 | -8.44% |
| 1922 | $1,421,948,419.30 | -5.55% |
| 1923 | $1,439,205,074.88 | 1.21% |
| 1924 | $1,467,505,990.02 | 1.97% |
| 1925 | $1,499,948,502.50 | 2.21% |
| 1926 | $1,526,178,618.97 | 1.75% |
| 1927 | $1,512,373,294.51 | -0.90% |
| 1928 | $1,465,435,191.35 | -3.10% |
| 1929 | $1,461,983,860.23 | -0.24% |
| 1930 | $1,446,107,737.10 | -1.09% |
| 1931 | $1,321,859,816.97 | -8.59% |
| 1932 | $1,166,549,916.81 | -11.75% |
| 1933 | $1,046,443,594.01 | -10.30% |
| 1934 | $1,053,346,256.24 | 0.66% |
| 1935 | $1,098,903,826.96 | 4.33% |
| 1936 | $1,120,992,346.09 | 2.01% |
| 1937 | $1,167,240,183.03 | 4.13% |
| 1938 | $1,158,956,988.35 | -0.71% |
| 1939 | $1,136,178,203.00 | -1.97% |
| 1940 | $1,142,390,599.00 | 0.55% |
| 1941 | $1,202,443,760.40 | 5.26% |
| 1942 | $1,321,859,816.97 | 9.93% |
| 1943 | $1,395,718,302.83 | 5.59% |
| 1944 | $1,417,116,555.74 | 1.53% |
| 1945 | $1,447,488,269.55 | 2.14% |
| 1946 | $1,576,568,053.24 | 8.92% |
| 1947 | $1,831,276,289.52 | 16.16% |
| 1948 | $1,990,727,787.02 | 8.71% |
| 1949 | $1,988,656,988.35 | -0.10% |
| 1950 | $2,008,674,708.82 | 1.01% |
| 1951 | $2,166,745,673.88 | 7.87% |
| 1952 | $2,213,683,777.04 | 2.17% |
| 1953 | $2,233,011,231.28 | 0.87% |
| 1954 | $2,266,144,009.98 | 1.48% |
| 1955 | $2,281,329,866.89 | 0.67% |
| 1956 | $2,313,082,113.14 | 1.39% |
| 1957 | $2,388,321,131.45 | 3.25% |
| 1958 | $2,460,799,084.86 | 3.03% |
| 1959 | $2,480,816,805.32 | 0.81% |
| 1960 | $2,515,330,116.47 | 1.39% |
| 1961 | $2,527,754,908.49 | 0.49% |
| 1962 | $2,553,985,024.96 | 1.04% |
| 1963 | $2,579,524,875.21 | 1.00% |
| 1964 | $2,589,878,868.55 | 0.40% |
| 1965 | $2,624,392,179.70 | 1.33% |
| 1966 | $2,703,082,529.12 | 3.00% |
| 1967 | $2,773,489,683.86 | 2.60% |
| 1968 | $2,890,834,941.76 | 4.23% |
| 1969 | $3,048,905,906.82 | 5.47% |
| 1970 | $3,223,543,261.23 | 5.73% |
| 1971 | $3,350,552,246.26 | 3.94% |
| 1972 | $3,445,808,985.02 | 2.84% |
| 1973 | $3,661,862,312.81 | 6.27% |
| 1974 | $4,049,101,663.89 | 10.57% |
| 1975 | $4,368,694,925.12 | 7.89% |
| 1976 | $4,577,845,590.68 | 4.79% |
| 1977 | $4,865,686,605.66 | 6.29% |
| 1978 | $5,288,819,800.33 | 8.70% |
| 1979 | $5,948,714,309.48 | 12.48% |
| 1980 | $6,806,715,224.63 | 14.42% |
| 1981 | $7,458,326,539.10 | 9.57% |
| 1982 | $7,967,052,745.42 | 6.82% |
| 1983 | $8,284,575,207.99 | 3.99% |
| 1984 | $8,597,265,806.99 | 3.77% |
| 1985 | $8,921,690,931.78 | 3.77% |
| 1986 | $9,108,062,811.98 | 2.09% |
| 1987 | $9,483,567,637.27 | 4.12% |
| 1988 | $9,854,240,599.00 | 3.91% |
| 1989 | $10,352,612,811.98 | 5.06% |
| 1990 | $10,908,967,387.69 | 5.37% |
| 1991 | $11,351,428,036.61 | 4.06% |
| 1992 | $11,684,136,356.07 | 2.93% |
| 1993 | $12,044,455,324.46 | 3.08% |
| 1994 | $12,308,137,021.63 | 2.19% |
| 1995 | $12,699,517,970.05 | 3.18% |
| 1996 | $13,039,128,951.75 | 2.67% |
| 1997 | $13,395,996,589.02 | 2.74% |
| 1998 | $13,665,890,682.20 | 2.01% |
| 1999 | $13,948,899,833.61 | 2.07% |
| 2000 | $14,396,882,612.31 | 3.21% |
| 2001 | $14,771,697,171.38 | 2.60% |
| 2002 | $15,007,077,953.41 | 1.59% |
| 2003 | $15,283,184,442.60 | 1.84% |
| 2004 | $15,624,866,222.96 | 2.24% |
| 2005 | $16,097,698,585.69 | 3.03% |
| 2006 | $16,427,645,840.27 | 2.05% |
| 2007 | $16,965,439,157.24 | 3.27% |
| 2008 | $17,604,736,122.30 | 3.77% |
| 2009 | $17,394,301,561.56 | -1.20% |
| 2010 | $17,632,471,019.13 | 1.37% |
| 2011 | $18,114,035,249.58 | 2.73% |
| 2012 | $18,389,085,631.45 | 1.52% |
| 2013 | $18,599,513,289.52 | 1.14% |
| 2014 | $18,924,428,503.33 | 1.75% |
| 2015 | $18,868,482,425.96 | -0.30% |
| 2016 | $18,993,510,346.92 | 0.66% |
| 2017 | $19,350,481,524.13 | 1.88% |
| 2018 | $19,689,671,443.43 | 1.75% |
| 2019 | $19,977,464,139.77 | 1.46% |
| 2020 | $20,200,454,643.09 | 1.12% |
| 2021 | $21,052,491,658.07 | 4.22% |
| 2022 | $22,642,616,539.93 | 7.55% |
| 2023 | $23,395,841,945.09 | 3.33% |
| 2024 | $24,205,565,640.60 | 3.46% |
| 2025 | $24,912,567,368.14 | 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 |