Nota: Se produce un empate estadístico cuando dos puntos de datos de un conjunto están dentro del doble del margen de error entre sí. Al agregar encuestas recuerde duplicar el margen de error proporcionado para ver el resultado real.
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^"@MULawPoll: In Dem prez race in WI, it's Sanders 44%, Clinton 43%. In @mulawpoll in January, it was Clinton 45%, Sanders 43%. #mulawpoll". Twitter. February 25, 2016. Retrieved February 25, 2016.
^"For Democrats in WI: Hillary Clinton 45%, Bernie Sanders 43%, Martin O'Malley 1% among those intending to vote". Twitter. January 28, 2016. Retrieved February 5, 2016.
^"New Marquette Law School Poll finds Carson, Trump and Rubio atop tight Wisconsin GOP primary race".
^"The Wisconsin Survey fall 2015 | The Wisconsin Survey fall 2015" (PDF). Retrieved 2015-10-21.
^"Marquette Law School Poll finds Walker job approval at 37 percent, following presidential run | Marquette Law School Poll". law.marquette.edu. Retrieved 2015-09-30.
^"Marquette Law School Poll finds Walker, Clinton leading primary fields among Wisconsin voters | Marquette Law School Poll". law.marquette.edu. Retrieved 2015-08-20.
^"Marquette Law School Poll finds Walker job approval down | Marquette Law School Poll". law.marquette.edu. Retrieved 2015-07-09.
^"2016 Elections Puerto Rico Poll". PDF. Retrieved June 5, 2016.