League One

England
Verified against Wikipedia

Formerly Football League Second Division (1992–2004)

Club	Stadium	City	Capacity
Sheffield Wednesday	Hillsborough Stadiumopened 1899	Sheffield518,090 people	39,732
Leicester City	King Power Stadiumopened 2002	Leicester368,600 people	32,261
Milton Keynes Dons	Stadium MKopened 2007	Milton Keynes264,349 people	30,500
Bradford City	Valley Paradeopened 1886	Bradford293,277 people	25,136
Wigan Athletic	Brick Community Stadiumopened 1999	Wigan103,608 people	25,133
Huddersfield Town	Kirklees Stadiumopened 1994	Huddersfield162,949 people	24,500
Reading	Madejski Stadiumopened 1998	Reading162,666 people	24,161
Barnsley	Oakwellopened 1888	Barnsley245,199 people	23,009
Notts County	Meadow Laneopened 1910	Nottingham289,301 people	20,229
Plymouth Argyle	Home Parkopened 1893	Plymouth267,918 people	17,900
Blackpool	Bloomfield Roadopened 1899	Blackpool139,305 people	17,338
Peterborough United	London Road Stadiumopened 1913	Peterborough194,000 people	15,315
Doncaster Rovers	Club Doncaster Sports Villageopened 2007	Doncaster109,805 people	15,231
Oxford United	Kassam Stadiumopened 2001	Oxford147,500 people	12,500
Stockport County	Edgeley Parkopened 1891	Stockport294,773 people	10,841
Luton Town	Kenilworth Roadopened 1905	Luton213,052 people	10,356
Wycombe Wanderers	Adams Parkopened 1990	High Wycombe120,256 people	10,284
Mansfield Town	Field Millopened 1861	Mansfield79,921 people	10,000
Cambridge United	Abbey Stadiumopened 1932	Cambridge123,867 people	9,617
Leyton Orient	Brisbane Roadopened 1937	London8,982,000 people	9,271
Burton Albion	Pirelli Stadiumopened 2005	Burton-upon-Trent75,074 people	6,912
Stevenage	Broadhall Wayopened 1961	Stevenage89,663 people	6,722
Bromley	Hayes Laneopened 1938	London8,982,000 people	5,000
Capacity not recorded yet
AFC Wimbledon	The Cherry Red Records Stadiumopened 2020	London8,982,000 people	–