According to the U.S. Bureau of Labor Statistics, prices in Seattle, Washington are 3,821% higher in 2025 versus 1915 (a $697,331,755.44 difference in value).
Between 1915 and 2025: Seattle experienced an average inflation rate of 3.39% per year. This rate of change indicates significant inflation. In other words, $18,250,000 in Seattle in the year 1915 would cost $715,581,755.44 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 3.19% during this same period, inflation in Seattle was higher.
In the year 1915: Pricing changed by -0.09%, which is significantly below the average yearly change in Seattle during the 1915-2025 time period. Compared to inflation for all items in 1915 (0.92%), inflation in Seattle was lower.
Below are calculations of equivalent buying power in Seattle, over time, for $18,250,000 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 | $18,250,000.00 | -0.09% |
| 1916 | $18,167,271.08 | -0.45% |
| 1917 | $19,606,754.31 | 7.92% |
| 1918 | $24,024,478.69 | 22.53% |
| 1919 | $31,635,539.44 | 31.68% |
| 1920 | $37,476,201.27 | 18.46% |
| 1921 | $33,703,762.47 | -10.07% |
| 1922 | $31,089,528.56 | -7.76% |
| 1923 | $30,642,792.38 | -1.44% |
| 1924 | $30,874,433.36 | 0.76% |
| 1925 | $31,436,990.03 | 1.82% |
| 1926 | $31,519,718.95 | 0.26% |
| 1927 | $31,221,894.83 | -0.94% |
| 1928 | $30,477,334.54 | -2.38% |
| 1929 | $30,692,429.74 | 0.71% |
| 1930 | $30,593,155.03 | -0.32% |
| 1931 | $27,929,283.77 | -8.71% |
| 1932 | $25,596,328.20 | -8.35% |
| 1933 | $23,925,203.99 | -6.53% |
| 1934 | $24,206,482.32 | 1.18% |
| 1935 | $24,917,951.04 | 2.94% |
| 1936 | $25,248,866.73 | 1.33% |
| 1937 | $26,390,525.84 | 4.52% |
| 1938 | $26,324,342.70 | -0.25% |
| 1939 | $26,142,339.08 | -0.69% |
| 1940 | $26,191,976.43 | 0.19% |
| 1941 | $27,813,463.28 | 6.19% |
| 1942 | $31,271,532.18 | 12.43% |
| 1943 | $33,058,476.88 | 5.71% |
| 1944 | $33,637,579.33 | 1.75% |
| 1945 | $34,382,139.62 | 2.21% |
| 1946 | $37,012,919.31 | 7.65% |
| 1947 | $41,629,193.11 | 12.47% |
| 1948 | $45,186,536.72 | 8.55% |
| 1949 | $45,203,082.50 | 0.04% |
| 1950 | $45,484,360.83 | 0.62% |
| 1951 | $49,140,979.15 | 8.04% |
| 1952 | $50,613,553.94 | 3.00% |
| 1953 | $51,109,927.47 | 0.98% |
| 1954 | $51,192,656.39 | 0.16% |
| 1955 | $51,407,751.59 | 0.42% |
| 1956 | $51,970,308.25 | 1.09% |
| 1957 | $54,170,897.55 | 4.23% |
| 1958 | $55,411,831.37 | 2.29% |
| 1959 | $56,421,124.21 | 1.82% |
| 1960 | $57,132,592.93 | 1.26% |
| 1961 | $58,092,248.41 | 1.68% |
| 1962 | $59,002,266.55 | 1.57% |
| 1963 | $59,912,284.68 | 1.54% |
| 1964 | $60,772,665.46 | 1.44% |
| 1965 | $61,368,313.69 | 0.98% |
| 1966 | $63,105,621.03 | 2.83% |
| 1967 | $64,958,748.87 | 2.94% |
| 1968 | $67,556,436.99 | 4.00% |
| 1969 | $70,832,502.27 | 4.85% |
| 1970 | $74,025,838.62 | 4.51% |
| 1971 | $75,647,325.48 | 2.19% |
| 1972 | $77,781,731.64 | 2.82% |
| 1973 | $82,447,642.79 | 6.00% |
| 1974 | $91,233,454.22 | 10.66% |
| 1975 | $100,863,100.63 | 10.55% |
| 1976 | $106,670,670.90 | 5.76% |
| 1977 | $114,860,834.09 | 7.68% |
| 1978 | $126,376,699.91 | 10.03% |
| 1979 | $139,944,242.97 | 10.74% |
| 1980 | $163,406,165.00 | 16.77% |
| 1981 | $181,374,886.67 | 11.00% |
| 1982 | $193,949,682.68 | 6.93% |
| 1983 | $196,861,740.71 | 1.50% |
| 1984 | $204,208,068.90 | 3.73% |
| 1985 | $209,469,628.29 | 2.58% |
| 1986 | $211,802,583.86 | 1.11% |
| 1987 | $212,050,770.63 | 0.12% |
| 1988 | $212,050,770.63 | 0.00% ** |
| 1989 | $212,050,770.63 | 0.00% ** |
| 1990 | $212,050,770.63 | 0.00% ** |
| 1991 | $212,050,770.63 | 0.00% ** |
| 1992 | $212,050,770.63 | 0.00% ** |
| 1993 | $212,050,770.63 | 0.00% ** |
| 1994 | $212,050,770.63 | 0.00% ** |
| 1995 | $212,050,770.63 | 0.00% ** |
| 1996 | $212,050,770.63 | 0.00% ** |
| 1997 | $221,680,417.04 | 4.54% |
| 1998 | $332,702,629.19 | 50.08% |
| 1999 | $342,663,191.30 | 2.99% |
| 2000 | $355,221,441.52 | 3.66% |
| 2001 | $368,309,156.84 | 3.68% |
| 2002 | $375,605,847.69 | 1.98% |
| 2003 | $381,843,608.34 | 1.66% |
| 2004 | $386,261,332.73 | 1.16% |
| 2005 | $397,065,729.83 | 2.80% |
| 2006 | $411,559,836.81 | 3.65% |
| 2007 | $427,383,893.93 | 3.84% |
| 2008 | $445,884,066.18 | 4.33% |
| 2009 | $448,528,082.50 | 0.59% |
| 2010 | $449,992,715.32 | 0.33% |
| 2011 | $461,497,991.84 | 2.56% |
| 2012 | $473,601,729.37 | 2.62% |
| 2013 | $479,370,747.96 | 1.22% |
| 2014 | $488,140,179.06 | 1.83% |
| 2015 | $494,684,036.72 | 1.34% |
| 2016 | $505,740,426.11 | 2.24% |
| 2017 | $520,907,781.05 | 3.00% |
| 2018 | $537,650,791.02 | 3.21% |
| 2019 | $551,313,803.26 | 2.54% |
| 2020 | $560,729,678.15 | 1.71% |
| 2021 | $585,894,988.67 | 4.49% |
| 2022 | $637,972,513.60 | 8.89% |
| 2023 | $676,187,980.51 | 5.99% |
| 2024 | $701,101,464.19 | 3.68% |
| 2025 | $715,581,755.44 | 2.07%* |
* 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 Seattle, Washington:
| 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 | 9.200 | 9.192 | 9.150 | 9.875 | 12.100 | 15.933 | 18.875 | 16.975 | 15.658 | 15.433 | 15.550 | 15.833 | 15.875 | 15.725 | 15.350 | 15.458 | 15.408 | 14.067 | 12.892 | 12.050 | 12.192 | 12.550 | 12.717 | 13.292 | 13.258 | 13.167 | 13.192 | 14.008 | 15.750 | 16.650 | 16.942 | 17.317 | 18.642 | 20.967 | 22.758 | 22.767 | 22.908 | 24.750 | 25.492 | 25.742 | 25.783 | 25.892 | 26.175 | 27.283 | 27.908 | 28.417 | 28.775 | 29.258 | 29.717 | 30.175 | 30.608 | 30.908 | 31.783 | 32.717 | 34.025 | 35.675 | 37.283 | 38.100 | 39.175 | 41.525 | 45.950 | 50.800 | 53.725 | 57.850 | 63.650 | 70.483 | 82.300 | 91.350 | 97.683 | 99.150 | 102.850 | 105.500 | 106.675 | 106.800 | 106.800 | 106.800 | 106.800 | 106.800 | 106.800 | 106.800 | 106.800 | 106.800 | 106.800 | 111.650 | 167.567 | 172.583 | 178.908 | 185.500 | 189.175 | 192.317 | 194.542 | 199.983 | 207.283 | 215.253 | 224.571 | 225.903 | 226.640 | 232.435 | 238.531 | 241.436 | 245.853 | 249.149 | 254.718 | 262.357 | 270.789 | 277.671 | 282.413 | 295.088 | 321.317 | 340.564 | 353.112 | 360.405 |