According to the U.S. Bureau of Labor Statistics, prices in Seattle, Washington are 3,821% higher in 2025 versus 1915 (a $320,963,657.30 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, $8,400,000 in Seattle in the year 1915 would cost $329,363,657.30 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 $8,400,000 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 | $8,400,000.00 | -0.09% |
| 1916 | $8,361,922.03 | -0.45% |
| 1917 | $9,024,478.69 | 7.92% |
| 1918 | $11,057,842.25 | 22.53% |
| 1919 | $14,561,015.41 | 31.68% |
| 1920 | $17,249,320.04 | 18.46% |
| 1921 | $15,512,964.64 | -10.07% |
| 1922 | $14,309,700.82 | -7.76% |
| 1923 | $14,104,079.78 | -1.44% |
| 1924 | $14,210,698.10 | 0.76% |
| 1925 | $14,469,628.29 | 1.82% |
| 1926 | $14,507,706.26 | 0.26% |
| 1927 | $14,370,625.57 | -0.94% |
| 1928 | $14,027,923.84 | -2.38% |
| 1929 | $14,126,926.56 | 0.71% |
| 1930 | $14,081,233.00 | -0.32% |
| 1931 | $12,855,122.39 | -8.71% |
| 1932 | $11,781,323.66 | -8.35% |
| 1933 | $11,012,148.69 | -6.53% |
| 1934 | $11,141,613.78 | 1.18% |
| 1935 | $11,469,084.32 | 2.94% |
| 1936 | $11,621,396.19 | 1.33% |
| 1937 | $12,146,872.17 | 4.52% |
| 1938 | $12,116,409.79 | -0.25% |
| 1939 | $12,032,638.26 | -0.69% |
| 1940 | $12,055,485.04 | 0.19% |
| 1941 | $12,801,813.24 | 6.19% |
| 1942 | $14,393,472.35 | 12.43% |
| 1943 | $15,215,956.48 | 5.71% |
| 1944 | $15,482,502.27 | 1.75% |
| 1945 | $15,825,203.99 | 2.21% |
| 1946 | $17,036,083.41 | 7.65% |
| 1947 | $19,160,834.09 | 12.47% |
| 1948 | $20,798,186.76 | 8.55% |
| 1949 | $20,805,802.36 | 0.04% |
| 1950 | $20,935,267.45 | 0.62% |
| 1951 | $22,618,313.69 | 8.04% |
| 1952 | $23,296,101.54 | 3.00% |
| 1953 | $23,524,569.36 | 0.98% |
| 1954 | $23,562,647.33 | 0.16% |
| 1955 | $23,661,650.05 | 0.42% |
| 1956 | $23,920,580.24 | 1.09% |
| 1957 | $24,933,454.22 | 4.23% |
| 1958 | $25,504,623.75 | 2.29% |
| 1959 | $25,969,174.98 | 1.82% |
| 1960 | $26,296,645.51 | 1.26% |
| 1961 | $26,738,349.95 | 1.68% |
| 1962 | $27,157,207.62 | 1.57% |
| 1963 | $27,576,065.28 | 1.54% |
| 1964 | $27,972,076.16 | 1.44% |
| 1965 | $28,246,237.53 | 0.98% |
| 1966 | $29,045,874.89 | 2.83% |
| 1967 | $29,898,821.40 | 2.94% |
| 1968 | $31,094,469.63 | 4.00% |
| 1969 | $32,602,357.21 | 4.85% |
| 1970 | $34,072,166.82 | 4.51% |
| 1971 | $34,818,495.01 | 2.19% |
| 1972 | $35,800,906.62 | 2.82% |
| 1973 | $37,948,504.08 | 6.00% |
| 1974 | $41,992,384.41 | 10.66% |
| 1975 | $46,424,660.02 | 10.55% |
| 1976 | $49,097,733.45 | 5.76% |
| 1977 | $52,867,452.40 | 7.68% |
| 1978 | $58,167,905.71 | 10.03% |
| 1979 | $64,412,692.66 | 10.74% |
| 1980 | $75,211,604.71 | 16.77% |
| 1981 | $83,482,139.62 | 11.00% |
| 1982 | $89,269,990.93 | 6.93% |
| 1983 | $90,610,335.45 | 1.50% |
| 1984 | $93,991,659.11 | 3.73% |
| 1985 | $96,413,417.95 | 2.58% |
| 1986 | $97,487,216.68 | 1.11% |
| 1987 | $97,601,450.59 | 0.12% |
| 1988 | $97,601,450.59 | 0.00% ** |
| 1989 | $97,601,450.59 | 0.00% ** |
| 1990 | $97,601,450.59 | 0.00% ** |
| 1991 | $97,601,450.59 | 0.00% ** |
| 1992 | $97,601,450.59 | 0.00% ** |
| 1993 | $97,601,450.59 | 0.00% ** |
| 1994 | $97,601,450.59 | 0.00% ** |
| 1995 | $97,601,450.59 | 0.00% ** |
| 1996 | $97,601,450.59 | 0.00% ** |
| 1997 | $102,033,726.20 | 4.54% |
| 1998 | $153,134,360.83 | 50.08% |
| 1999 | $157,718,948.32 | 2.99% |
| 2000 | $163,499,184.04 | 3.66% |
| 2001 | $169,523,118.77 | 3.68% |
| 2002 | $172,881,595.65 | 1.98% |
| 2003 | $175,752,674.52 | 1.66% |
| 2004 | $177,786,038.08 | 1.16% |
| 2005 | $182,759,020.85 | 2.80% |
| 2006 | $189,430,281.05 | 3.65% |
| 2007 | $196,713,682.68 | 3.84% |
| 2008 | $205,228,830.46 | 4.33% |
| 2009 | $206,445,802.36 | 0.59% |
| 2010 | $207,119,934.72 | 0.33% |
| 2011 | $212,415,514.05 | 2.56% |
| 2012 | $217,986,549.41 | 2.62% |
| 2013 | $220,641,878.51 | 1.22% |
| 2014 | $224,678,219.40 | 1.83% |
| 2015 | $227,690,186.76 | 1.34% |
| 2016 | $232,779,155.03 | 2.24% |
| 2017 | $239,760,293.74 | 3.00% |
| 2018 | $247,466,665.46 | 3.21% |
| 2019 | $253,755,394.38 | 2.54% |
| 2020 | $258,089,276.52 | 1.71% |
| 2021 | $269,672,213.96 | 4.49% |
| 2022 | $293,642,143.25 | 8.89% |
| 2023 | $311,231,728.01 | 5.99% |
| 2024 | $322,698,756.12 | 3.68% |
| 2025 | $329,363,657.30 | 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 |