According to the U.S. Bureau of Labor Statistics, prices in Seattle, Washington are 2,878.55% higher in 2025 versus 1918 (a $9,787,079.13 difference in value).
Between 1918 and 2025: Seattle experienced an average inflation rate of 3.22% per year. This rate of change indicates significant inflation. In other words, $340,000 in Seattle in the year 1918 would cost $10,127,079.13 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 2.90% during this same period, inflation in Seattle was higher.
In the year 1918: Pricing changed by 22.53%, which is significantly above the average yearly change in Seattle during the 1918-2025 time period. Compared to inflation for all items in 1918 (17.34%), inflation in Seattle was much higher.
Below are calculations of equivalent buying power in Seattle, over time, for $340,000 beginning in 1918. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1918 | $340,000.00 | 22.53% |
| 1919 | $447,713.50 | 31.68% |
| 1920 | $530,371.90 | 18.46% |
| 1921 | $476,983.47 | -10.07% |
| 1922 | $439,986.23 | -7.76% |
| 1923 | $433,663.91 | -1.44% |
| 1924 | $436,942.15 | 0.76% |
| 1925 | $444,903.58 | 1.82% |
| 1926 | $446,074.38 | 0.26% |
| 1927 | $441,859.50 | -0.94% |
| 1928 | $431,322.31 | -2.38% |
| 1929 | $434,366.39 | 0.71% |
| 1930 | $432,961.43 | -0.32% |
| 1931 | $395,261.71 | -8.71% |
| 1932 | $362,245.18 | -8.35% |
| 1933 | $338,595.04 | -6.53% |
| 1934 | $342,575.76 | 1.18% |
| 1935 | $352,644.63 | 2.94% |
| 1936 | $357,327.82 | 1.33% |
| 1937 | $373,484.85 | 4.52% |
| 1938 | $372,548.21 | -0.25% |
| 1939 | $369,972.45 | -0.69% |
| 1940 | $370,674.93 | 0.19% |
| 1941 | $393,622.59 | 6.19% |
| 1942 | $442,561.98 | 12.43% |
| 1943 | $467,851.24 | 5.71% |
| 1944 | $476,046.83 | 1.75% |
| 1945 | $486,584.02 | 2.21% |
| 1946 | $523,815.43 | 7.65% |
| 1947 | $589,146.01 | 12.47% |
| 1948 | $639,490.36 | 8.55% |
| 1949 | $639,724.52 | 0.04% |
| 1950 | $643,705.23 | 0.62% |
| 1951 | $695,454.55 | 8.04% |
| 1952 | $716,294.77 | 3.00% |
| 1953 | $723,319.56 | 0.98% |
| 1954 | $724,490.36 | 0.16% |
| 1955 | $727,534.44 | 0.42% |
| 1956 | $735,495.87 | 1.09% |
| 1957 | $766,639.12 | 4.23% |
| 1958 | $784,201.10 | 2.29% |
| 1959 | $798,484.85 | 1.82% |
| 1960 | $808,553.72 | 1.26% |
| 1961 | $822,134.99 | 1.68% |
| 1962 | $835,013.77 | 1.57% |
| 1963 | $847,892.56 | 1.54% |
| 1964 | $860,068.87 | 1.44% |
| 1965 | $868,498.62 | 0.98% |
| 1966 | $893,085.40 | 2.83% |
| 1967 | $919,311.29 | 2.94% |
| 1968 | $956,074.38 | 4.00% |
| 1969 | $1,002,438.02 | 4.85% |
| 1970 | $1,047,630.85 | 4.51% |
| 1971 | $1,070,578.51 | 2.19% |
| 1972 | $1,100,785.12 | 2.82% |
| 1973 | $1,166,818.18 | 6.00% |
| 1974 | $1,291,157.02 | 10.66% |
| 1975 | $1,427,438.02 | 10.55% |
| 1976 | $1,509,628.10 | 5.76% |
| 1977 | $1,625,537.19 | 7.68% |
| 1978 | $1,788,512.40 | 10.03% |
| 1979 | $1,980,523.42 | 10.74% |
| 1980 | $2,312,561.98 | 16.77% |
| 1981 | $2,566,859.50 | 11.00% |
| 1982 | $2,744,820.94 | 6.93% |
| 1983 | $2,786,033.06 | 1.50% |
| 1984 | $2,890,000.00 | 3.73% |
| 1985 | $2,964,462.81 | 2.58% |
| 1986 | $2,997,479.34 | 1.11% |
| 1987 | $3,000,991.74 | 0.12% |
| 1988 | $3,000,991.74 | 0.00% ** |
| 1989 | $3,000,991.74 | 0.00% ** |
| 1990 | $3,000,991.74 | 0.00% ** |
| 1991 | $3,000,991.74 | 0.00% ** |
| 1992 | $3,000,991.74 | 0.00% ** |
| 1993 | $3,000,991.74 | 0.00% ** |
| 1994 | $3,000,991.74 | 0.00% ** |
| 1995 | $3,000,991.74 | 0.00% ** |
| 1996 | $3,000,991.74 | 0.00% ** |
| 1997 | $3,137,272.73 | 4.54% |
| 1998 | $4,708,484.85 | 50.08% |
| 1999 | $4,849,449.04 | 2.99% |
| 2000 | $5,027,176.31 | 3.66% |
| 2001 | $5,212,396.69 | 3.68% |
| 2002 | $5,315,661.16 | 1.98% |
| 2003 | $5,403,939.39 | 1.66% |
| 2004 | $5,466,460.06 | 1.16% |
| 2005 | $5,619,366.39 | 2.80% |
| 2006 | $5,824,490.36 | 3.65% |
| 2007 | $6,048,436.09 | 3.84% |
| 2008 | $6,310,254.82 | 4.33% |
| 2009 | $6,347,673.55 | 0.59% |
| 2010 | $6,368,401.38 | 0.33% |
| 2011 | $6,531,226.72 | 2.56% |
| 2012 | $6,702,521.63 | 2.62% |
| 2013 | $6,784,166.12 | 1.22% |
| 2014 | $6,908,273.14 | 1.83% |
| 2015 | $7,000,883.33 | 1.34% |
| 2016 | $7,157,355.92 | 2.24% |
| 2017 | $7,372,007.85 | 3.00% |
| 2018 | $7,608,958.82 | 3.21% |
| 2019 | $7,802,320.94 | 2.54% |
| 2020 | $7,935,576.58 | 1.71% |
| 2021 | $8,291,721.90 | 4.49% |
| 2022 | $9,028,735.12 | 8.89% |
| 2023 | $9,569,569.28 | 5.99% |
| 2024 | $9,922,150.69 | 3.68% |
| 2025 | $10,127,079.13 | 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 |