According to the U.S. Bureau of Labor Statistics, prices in Seattle, Washington are 3,912.16% higher in 2026 versus 1915 (a $12,323,291,205.80 difference in value).
Between 1915 and 2026:Seattle experienced an average inflation rate of 3.38% per year. This rate of change indicates significant inflation. In other words, $315,000,000 in Seattle in the year 1915 would cost $12,638,291,205.80 in 2026 for an equivalent purchase. Compared to the overall inflation rate of 3.18% 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 1915-2026 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 $315,000,000 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 | $315,000,000.00 | -0.09% |
| 1916 | $313,572,076.16 | -0.45% |
| 1917 | $338,417,951.04 | 7.92% |
| 1918 | $414,669,084.32 | 22.53% |
| 1919 | $546,038,077.97 | 31.68% |
| 1920 | $646,849,501.36 | 18.46% |
| 1921 | $581,736,174.07 | -10.07% |
| 1922 | $536,613,780.60 | -7.76% |
| 1923 | $528,902,991.84 | -1.44% |
| 1924 | $532,901,178.60 | 0.76% |
| 1925 | $542,611,060.74 | 1.82% |
| 1926 | $544,038,984.59 | 0.26% |
| 1927 | $538,898,458.75 | -0.94% |
| 1928 | $526,047,144.15 | -2.38% |
| 1929 | $529,759,746.15 | 0.71% |
| 1930 | $528,046,237.53 | -0.32% |
| 1931 | $482,067,089.76 | -8.71% |
| 1932 | $441,799,637.35 | -8.35% |
| 1933 | $412,955,575.70 | -6.53% |
| 1934 | $417,810,516.77 | 1.18% |
| 1935 | $430,090,661.83 | 2.94% |
| 1936 | $435,802,357.21 | 1.33% |
| 1937 | $455,507,706.26 | 4.52% |
| 1938 | $454,365,367.18 | -0.25% |
| 1939 | $451,223,934.72 | -0.69% |
| 1940 | $452,080,689.03 | 0.19% |
| 1941 | $480,067,996.37 | 6.19% |
| 1942 | $539,755,213.06 | 12.43% |
| 1943 | $570,598,368.09 | 5.71% |
| 1944 | $580,593,835.00 | 1.75% |
| 1945 | $593,445,149.59 | 2.21% |
| 1946 | $638,853,127.83 | 7.65% |
| 1947 | $718,531,278.33 | 12.47% |
| 1948 | $779,932,003.63 | 8.55% |
| 1949 | $780,217,588.40 | 0.04% |
| 1950 | $785,072,529.47 | 0.62% |
| 1951 | $848,186,763.37 | 8.04% |
| 1952 | $873,603,807.80 | 3.00% |
| 1953 | $882,171,350.86 | 0.98% |
| 1954 | $883,599,274.71 | 0.16% |
| 1955 | $887,311,876.70 | 0.42% |
| 1956 | $897,021,758.84 | 1.09% |
| 1957 | $935,004,533.09 | 4.23% |
| 1958 | $956,423,390.75 | 2.29% |
| 1959 | $973,844,061.65 | 1.82% |
| 1960 | $986,124,206.71 | 1.26% |
| 1961 | $1,002,688,123.30 | 1.68% |
| 1962 | $1,018,395,285.58 | 1.57% |
| 1963 | $1,034,102,447.87 | 1.54% |
| 1964 | $1,048,952,855.85 | 1.44% |
| 1965 | $1,059,233,907.52 | 0.98% |
| 1966 | $1,089,220,308.25 | 2.83% |
| 1967 | $1,121,205,802.36 | 2.94% |
| 1968 | $1,166,042,611.06 | 4.00% |
| 1969 | $1,222,588,395.29 | 4.85% |
| 1970 | $1,277,706,255.67 | 4.51% |
| 1971 | $1,305,693,563.01 | 2.19% |
| 1972 | $1,342,533,998.19 | 2.82% |
| 1973 | $1,423,068,902.99 | 6.00% |
| 1974 | $1,574,714,415.23 | 10.66% |
| 1975 | $1,740,924,750.68 | 10.55% |
| 1976 | $1,841,165,004.53 | 5.76% |
| 1977 | $1,982,529,465.10 | 7.68% |
| 1978 | $2,181,296,464.19 | 10.03% |
| 1979 | $2,415,475,974.61 | 10.74% |
| 1980 | $2,820,435,176.79 | 16.77% |
| 1981 | $3,130,580,235.72 | 11.00% |
| 1982 | $3,347,624,660.02 | 6.93% |
| 1983 | $3,397,887,579.33 | 1.50% |
| 1984 | $3,524,687,216.68 | 3.73% |
| 1985 | $3,615,503,173.16 | 2.58% |
| 1986 | $3,655,770,625.57 | 1.11% |
| 1987 | $3,660,054,397.10 | 0.12% |
| 1988 | $3,660,054,397.10 | 0.00% ** |
| 1989 | $3,660,054,397.10 | 0.00% ** |
| 1990 | $3,660,054,397.10 | 0.00% ** |
| 1991 | $3,660,054,397.10 | 0.00% ** |
| 1992 | $3,660,054,397.10 | 0.00% ** |
| 1993 | $3,660,054,397.10 | 0.00% ** |
| 1994 | $3,660,054,397.10 | 0.00% ** |
| 1995 | $3,660,054,397.10 | 0.00% ** |
| 1996 | $3,660,054,397.10 | 0.00% ** |
| 1997 | $3,826,264,732.55 | 4.54% |
| 1998 | $5,742,538,531.28 | 50.08% |
| 1999 | $5,914,460,562.10 | 2.99% |
| 2000 | $6,131,219,401.63 | 3.66% |
| 2001 | $6,357,116,953.76 | 3.68% |
| 2002 | $6,483,059,836.81 | 1.98% |
| 2003 | $6,590,725,294.65 | 1.66% |
| 2004 | $6,666,976,427.92 | 1.16% |
| 2005 | $6,853,463,281.96 | 2.80% |
| 2006 | $7,103,635,539.44 | 3.65% |
| 2007 | $7,376,763,100.63 | 3.84% |
| 2008 | $7,696,081,142.34 | 4.33% |
| 2009 | $7,741,717,588.40 | 0.59% |
| 2010 | $7,766,997,552.13 | 0.33% |
| 2011 | $7,965,581,776.97 | 2.56% |
| 2012 | $8,174,495,602.90 | 2.62% |
| 2013 | $8,274,070,444.24 | 1.22% |
| 2014 | $8,425,433,227.56 | 1.83% |
| 2015 | $8,538,382,003.63 | 1.34% |
| 2016 | $8,729,218,313.69 | 2.24% |
| 2017 | $8,991,011,015.41 | 3.00% |
| 2018 | $9,279,999,954.67 | 3.21% |
| 2019 | $9,515,827,289.21 | 2.54% |
| 2020 | $9,678,347,869.45 | 1.71% |
| 2021 | $10,112,708,023.57 | 4.49% |
| 2022 | $11,011,580,371.71 | 8.89% |
| 2023 | $11,671,189,800.54 | 5.99% |
| 2024 | $12,101,203,354.49 | 3.68% |
| 2025 | $12,406,713,372.62 | 2.52% |
| 2026 | $12,638,291,205.80 | 1.87%* |
* 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 | 2026 |
| 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 | 362.027 | 368.784 |