Wakefield is the largest settlement in England to have never had a football league team. And they've never even come close; they didn't even have an established team until 2002, when a team from a local village moved stadiums to Wakefield.
West Ham - Ross
Tottenham - Ross
Fulham - Ross
Birmingham - Ross Rotherham - MildAshers Gillingham - MildAshers Oldham - MildAshers Cheltenham - MildAshers Wrexham - MildAshers
This is all good stuff, including MildAshers slipping in Oldham, whom I had accidentally forgotten, so there are in fact 12 places in total.
West Ham - Ross
Tottenham - Ross
Fulham - Ross
Birmingham - Ross Rotherham - MildAshers Gillingham - MildAshers Oldham - MildAshers Cheltenham - MildAshers Wrexham - MildAshers
Dagenham - Ross
West Ham - Ross
Tottenham - Ross
Fulham - Ross
Birmingham - Ross
Rotherham - MildAshers
Gillingham - MildAshers
Oldham - MildAshers
Cheltenham - MildAshers
Wrexham - MildAshers
Dagenham - Ross
Nottingham - MildAshers
One more left. This one might take some mulling over; the place hasn't had a league team in a loooong time.