According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,928.52% higher in 2026 versus 1915 (a $9,075,475.64 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, $309,900 in Chicago in the year 1915 would cost $9,385,375.64 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 $309,900 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 | $309,900.00 | 0.17% |
| 1916 | $319,181.53 | 3.00% |
| 1917 | $363,784.44 | 13.97% |
| 1918 | $424,887.85 | 16.80% |
| 1919 | $515,640.60 | 21.36% |
| 1920 | $614,127.95 | 19.10% |
| 1921 | $562,306.07 | -8.44% |
| 1922 | $531,109.82 | -5.55% |
| 1923 | $537,555.32 | 1.21% |
| 1924 | $548,125.96 | 1.97% |
| 1925 | $560,243.51 | 2.21% |
| 1926 | $570,040.68 | 1.75% |
| 1927 | $564,884.28 | -0.90% |
| 1928 | $547,352.50 | -3.10% |
| 1929 | $546,063.39 | -0.24% |
| 1930 | $540,133.53 | -1.09% |
| 1931 | $493,725.87 | -8.59% |
| 1932 | $435,716.31 | -11.75% |
| 1933 | $390,855.57 | -10.30% |
| 1934 | $393,433.78 | 0.66% |
| 1935 | $410,449.92 | 4.33% |
| 1936 | $418,700.17 | 2.01% |
| 1937 | $435,974.13 | 4.13% |
| 1938 | $432,880.28 | -0.71% |
| 1939 | $424,372.21 | -1.97% |
| 1940 | $426,692.60 | 0.55% |
| 1941 | $449,122.96 | 5.26% |
| 1942 | $493,725.87 | 9.93% |
| 1943 | $521,312.65 | 5.59% |
| 1944 | $529,305.07 | 1.53% |
| 1945 | $540,649.17 | 2.14% |
| 1946 | $588,861.56 | 8.92% |
| 1947 | $683,997.25 | 16.16% |
| 1948 | $743,553.74 | 8.71% |
| 1949 | $742,780.28 | -0.10% |
| 1950 | $750,257.07 | 1.01% |
| 1951 | $809,297.92 | 7.87% |
| 1952 | $826,829.70 | 2.17% |
| 1953 | $834,048.67 | 0.87% |
| 1954 | $846,424.04 | 1.48% |
| 1955 | $852,096.09 | 0.67% |
| 1956 | $863,955.82 | 1.39% |
| 1957 | $892,058.24 | 3.25% |
| 1958 | $919,129.37 | 3.03% |
| 1959 | $926,606.16 | 0.81% |
| 1960 | $939,497.17 | 1.39% |
| 1961 | $944,137.94 | 0.49% |
| 1962 | $953,935.11 | 1.04% |
| 1963 | $963,474.46 | 1.00% |
| 1964 | $967,341.76 | 0.40% |
| 1965 | $980,232.78 | 1.33% |
| 1966 | $1,009,624.29 | 3.00% |
| 1967 | $1,035,921.96 | 2.60% |
| 1968 | $1,079,751.41 | 4.23% |
| 1969 | $1,138,792.26 | 5.47% |
| 1970 | $1,204,020.80 | 5.73% |
| 1971 | $1,251,459.73 | 3.94% |
| 1972 | $1,287,038.94 | 2.84% |
| 1973 | $1,367,736.69 | 6.27% |
| 1974 | $1,512,373.88 | 10.57% |
| 1975 | $1,631,744.68 | 7.89% |
| 1976 | $1,709,864.23 | 4.79% |
| 1977 | $1,817,375.29 | 6.29% |
| 1978 | $1,975,419.13 | 8.70% |
| 1979 | $2,221,895.34 | 12.48% |
| 1980 | $2,542,365.97 | 14.42% |
| 1981 | $2,785,748.34 | 9.57% |
| 1982 | $2,975,761.90 | 6.82% |
| 1983 | $3,094,359.23 | 3.99% |
| 1984 | $3,211,151.83 | 3.77% |
| 1985 | $3,332,327.37 | 3.77% |
| 1986 | $3,401,938.85 | 2.09% |
| 1987 | $3,542,193.09 | 4.12% |
| 1988 | $3,680,642.60 | 3.91% |
| 1989 | $3,866,788.85 | 5.06% |
| 1990 | $4,074,592.01 | 5.37% |
| 1991 | $4,239,854.83 | 4.06% |
| 1992 | $4,364,124.21 | 2.93% |
| 1993 | $4,498,706.41 | 3.08% |
| 1994 | $4,597,193.76 | 2.19% |
| 1995 | $4,743,377.87 | 3.18% |
| 1996 | $4,870,225.46 | 2.67% |
| 1997 | $5,003,518.55 | 2.74% |
| 1998 | $5,104,326.29 | 2.01% |
| 1999 | $5,210,032.61 | 2.07% |
| 2000 | $5,377,357.99 | 3.21% |
| 2001 | $5,517,354.41 | 2.60% |
| 2002 | $5,605,271.13 | 1.59% |
| 2003 | $5,708,399.25 | 1.84% |
| 2004 | $5,836,020.30 | 2.24% |
| 2005 | $6,012,627.20 | 3.03% |
| 2006 | $6,135,865.31 | 2.05% |
| 2007 | $6,336,735.68 | 3.27% |
| 2008 | $6,575,518.53 | 3.77% |
| 2009 | $6,496,919.43 | -1.20% |
| 2010 | $6,585,877.75 | 1.37% |
| 2011 | $6,765,746.08 | 2.73% |
| 2012 | $6,868,479.74 | 1.52% |
| 2013 | $6,947,076.25 | 1.14% |
| 2014 | $7,068,434.85 | 1.75% |
| 2015 | $7,047,538.51 | -0.30% |
| 2016 | $7,094,237.50 | 0.66% |
| 2017 | $7,227,569.27 | 1.88% |
| 2018 | $7,354,259.59 | 1.75% |
| 2019 | $7,461,752.61 | 1.46% |
| 2020 | $7,545,041.45 | 1.12% |
| 2021 | $7,863,284.52 | 4.22% |
| 2022 | $8,457,209.67 | 7.55% |
| 2023 | $8,738,545.76 | 3.33% |
| 2024 | $9,040,984.44 | 3.46% |
| 2025 | $9,328,002.89 | 3.17% |
| 2026 | $9,385,375.64 | 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 |