"+9" . "Yachiyo (\u516B\u5343\u4EE3\u5E02, Yachiyo-shi) is a city located in northern Chiba Prefecture, Japan.As of August 2011, the city has an estimated population of 189,512 and a population density of 3,700 persons per km\u00B2. The total area is 51.27 km\u00B2."@en . "5.127e+07"^^ . . "3700.0"^^ . . . . "189512"^^ . . . . . "Mayor"@en .