"Missouri Valley is a city in Harrison County, Iowa, United States. The population was 2,838 at the 2010 census_."@en . "1871-10-30Z"^^ . "-6" . . "350.079"^^ . . "350.1"^^ . "8.10666e+06"^^ . . . "8.11e+06"^^ . . . . "51555" . "309.982"^^ . "2838"^^ . . "712" . "Missouri Valley, Iowa"@en . "0.0"^^ . "-5" . "8.10666e+06"^^ . "Mayor"@en . "310.0"^^ . "8.11e+06"^^ .