Oddly enough, according to an interview Tommy Robinson gave to the Telegraph and then incorporates into a Wiki article, the prison with the larger Muslim population was the one he favoured....

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binson was attacked by several fellow prisoners in HM Prison Woodhill.[167][168]Following news of the attack, Maajid Nawazwrote to the Secretary of State for Justice, Chris Grayling, asking for Robinson's situation to be urgently addressed.[168][169] Shortly after this incident, Robinson was moved to HM Prison Winchester. Robinson told Jamie Bartlett, a director of the think tank Demos: "In Woodhill, I experienced Islam the gang. [...] In Winchester, I have experienced Islam the religion." Robinson made friends with several Muslim prisoners, referring to them as "great lads [...] I cannot speak highly enough of the Muslim inmates I'm now living with".[170]