"Tachikawa (\u7ACB\u5DDD\u5E02, Tachikawa-shi) is a city located in western Tokyo Metropolis, Japan. The city was founded on December 1, 1940.As of February 1, 2010, the city has an estimated population of 178,064 and a population density of 7,303.69 persons per km\u00B2."@en . "178064"^^ . . . . . "Tachikawa"@en . . "2010-02-01Z"^^ .