Chart of population growth of west coast U.S. cities (1890-1900)

Production of gold in Yukon around the Klondike Gold Rush. 1896-1903: Increase after discovery at Klondike. 1903-1907: claims are sold; big scale methods take over.

Reference 1: 1890, 1900, Difference and %.

Reference 2: San Francisco, Portland, Tacoma, Seattle, Vancouver and Victoria.

Source: http://en.wikipedia.org/wiki/Alaska_Gold_Rush