. "363.931"^^ . "42.1624"^^ . "8.28796e+06"^^ . . "Mayor"@en . "Newcastle, Oklahoma"@en . . "1.28981e+08"^^ . . . . "364.0"^^ . "8.2e+06"^^ . "405" . . "-6" . "1.3701e+08"^^ . "City Manager"@en . "42.2"^^ . "7685"^^ . "1.371e+08"^^ . "-5" . "Newcastle is the largest city in McClain County, Oklahoma, United States, and part of the Oklahoma City Metropolitan Area. The population was 7,685 at the 2010 census."@en . . "1.289e+08"^^ . "73065" .