| Year formed | 1872 |
| Previous names | None |
Ground | The YOUR Radio 103FM Stadium, Castle Road, Dumbarton G82 1JJ (for pictures of the ground click here) |
| Pitch measurements | 115 x 74 yards (105 x 68 metres) |
| Ground capacity | 2,050 |
| Record attendance at present ground | 1,978 v Rangers, Scottish Championship, 19 September 2015 (lost 1-2) |
| League career | Scottish Football League / Division One: 1890 - 1896 Scottish Division Two: 1896 - 1897 Scottish Combination: 1905 - 1906 Scottish Division Two: 1906 - 1913 Scottish Division One: 1913 - 1922 Scottish Division Two / Division 'B': 1922 - 1954 Scottish Division 'C' South-West: 1954 - 1955 Scottish Division Two: 1955 - 1972 Scottish Division One: 1972 - 1975 Scottish Division One: 1975 - 1984 Scottish Premier Division: 1984 - 1985 Scottish Division One: 1985 - 1988 Scottish Division Two: 1988 - 1992 Scottish Division One: 1992 - 1994 Scottish Division Two: 1994 - 1995 Scottish Division One: 1995 - 1996 Scottish Division Two: 1996 - 1997 Scottish Division Three: 1997 - 2002 Scottish Division Two: 2002 - 2006 Scottish Division Three: 2006 - 2009 Scottish Division Two: 2009 - 2012 Scottish Division One: 2012 - 2013 Scottish Championship: 2013 - 2018 Scottish League One: 2018 - 2022 Scottish League Two: 2022 - 2024 Scottish League One: 2024 - . |
| First Scottish League game | |
| Honours | |
| European | None |
| Domestic - League | Scottish Football League champions: 1891-92 Scottish Football League joint champions: 1890-91 Scottish Division One runners-up: 1983-84 Scottish Division Two champions: 1910-11, 1971-72 Scottish Division Two runners-up: 1907-08 Scottish Division Two champions: 1991-92 Scottish Division Two runners-up: 1994-95 Scottish Division Three champions: 2008-09 Scottish Division Three / League Two runners-up: 2001-02, 2022-23 |
| Domestic - Cup | Scottish Cup winners: 1882-83 Scottish Cup runners-up: 1880-81, 1881-82, 1886-87, 1890-91, 1896-97 Scottish League Challenge Cup runners-up: 2017-18 Scottish Qualifying Cup runners-up: 1911-12 Scottish Consolation Cup runners-up: 1907-08, 1910-11 Scottish Football League 'B' Division Supplementary Cup runners-up: 1945-46 |
| Best League position | see above |
| Lowest League position | 8th, Scottish Division Three, 1997-98 10th, Scottish Division Three, 2007-08 |
| Furthest in Scottish Cup | see above |
| Furthest in League Cup | Semi-final, 1970-71 |
| | |
| Most League points | |
| 2 for a win | 53, Scottish Division One, 1986-87 |
| 3 for a win | 67, Scottish Division Three, 2008-09 |
| Fewest League points | |
| 2 for a win | 6, Scottish Division Two, 1896-97 |
| 3 for a win | 11, Scottish Division One, 1995-96 |
| Most League goals scored | 101, Scottish Division Two, 1956-57 |
| Most League goals conceded | 121, Scottish Division Two, 1935-36 |
| Fewest League goals scored | 14, Scottish League One, 2020-21 |
| Fewest League goals conceded | 21, Scottish Division One, 1890-91 |
| Most wins in a League season | 24, Scottish Division Two, 1971-72 |
| Fewest wins in a League season | 2, Scottish Division Two, 1896-97 |
| Most draws in a League season | 17, Scottish Division One, 1977-78 |
| Fewest draws in a League season | 0, Scottish Division One, 1895-96 |
| Most losses in a League season | 31, Scottish Division One, 1995-96 |
| Fewest losses in a League season | 2, Scottish Division One, 1890-91 |
| Record win | 13-1 v Kirkintilloch Central, Scottish Cup 1st round, 1 September 1888 |
| Record defeat | 1-11 v Albion Rovers, Scottish Division Two, 30 January 1926 1-11 v Ayr United, Scottish League Cup 1st round Group 6, 13 August 1952 |
| | |
| Highest number of League goals scored | |
| in a season | 38, Kenny Wilson, Scottish Division Two, 1971-72 |
| in total | 202, Hughie Gallacher, 1954-62 |
| | |
| Most League appearances | 298, Andy Jardine, 1957-67 |
Most capped player | 9, James MacAuley for Scotland |
| Highest transfer fee received | £125,000 for Graeme Sharp to Everton, March 1982 |
| Highest transfer fee paid | £50,000 for Charlie Gibson from Stirling Albion, August 1989 |
