Kammala wannan jumla: A matsayin mazaunin Scotland, Rowling ya cancanci yin zabe a zaben 2014
kuri'ar raba gardama kan 'yancin kai na Scotland, da kuma niyyar kada kuri'ar "A'a". Ta ba da gudummawar £ 1 miliyan (US $ 1,694,000) zuwa Better Together anti-kamfen na 'yanci, wanda tsohon maƙwabcinsa da abokinsa Alistair Darling ya jagoranta, kuma ya yi amfani da haruffan "Death Eaters" daga jerin "Harry Potter" - waɗanda ke ƙin masu sihiri sai dai idan suna da tsarkakakken jini - a matsayin abin da ya shafi bayanin ta game da gudummawarta: "Duk da haka, lokacin da mutane suka yi ƙoƙari su yi wannan muhawara game da tsarkin zuriyarka, abubuwa sun fara samun ɗan Mutuwar Mutuwa don dandano na". A cikin rubutun post-donation na Rowling a tsakiyar watan Yunin 2014, ta bayyana cewa tana da "abokantaka" tare da membobin kamfen ɗin biyu kuma ta bayyana imanin cewa "akwai mutane masu hankali, masu tunani a ɓangarorin biyu na wannan tambayar".