"4.1e+06"^^ . . . . "4.14398e+06"^^ . . "Northumberland, Pennsylvania"@en . "914.367"^^ . "913.4"^^ . "-4" . "17857" . "-5" . "Mayor"@en . . . "570" . "3714"^^ . "Northumberland is a borough in Northumberland County, Pennsylvania, United States. The population was 3,804 at the 2010 census."@en . . .