| Year formed | 1881 |
| Turned professional | 1897 |
| Limited company | 1909 |
| Previous names | Watford Rovers: 1881 - 1893 West Herts: 1893 - 1898 Watford: 1898 - . |
Ground | Vicarage Road Stadium, Vicarage Road, Watford, Hertfordshire WD18 0ER (for pictures of the ground click here) |
| Pitch measurements | 115 x 75 yards (104 x 67 metres) |
| Ground capacity | 21,577 |
| Record attendance at present ground | 34,099 v Manchester United, FA Cup 4th round replay, 3rd February 1969 (lost 0-2) |
| League career | Southern League Division Two: 1896 - 1900 Southern League Division One: 1900 - 1903 Southern League Division Two: 1903 - 1904 Southern League Division One: 1904 - 1920 Division Three: 1920 - 1921 Division Three (South): 1921 - 1958 Division Four: 1958 - 1960 Division Three: 1960 - 1969 Division Two: 1969 - 1972 Division Three: 1972 - 1975 Division Four: 1975 - 1978 Division Three: 1978 - 1979 Division Two: 1979 - 1982 Division One: 1982 - 1988 Division Two/One: 1988 - 1996 Division Two: 1996 - 1998 Division One: 1998 - 1999 Premiership: 1999 - 2000 Division One/Championship: 2000 - 2006 Premiership: 2006 - 2007 Championship: 2007 - 2015 Premier League: 2015 - 2020 Championship: 2020 - 2021 Premier League: 2021 - 2022 Championship: 2022 - . |
| First Football League game | 28th August 1920 v Queen's Park Rangers, Division Three, won 2-1 |
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| Honours | |
| European | None |
| Domestic - League | Division One runners-up: 1982-83 Division Two / Championship runners-up: 1981-82, 2014-15 Division Three/Two champions: 1968-69, 1997-98 Division Three runners-up: 1978-79 Division Four champions: 1977-78 Southern League Division One champions: 1914-15 Southern League Division One runners-up: 1919-20 Southern League Division Two champions: 1899-1900, 1903-04 |
| Domestic - Cup | FA Cup runners-up: 1983-84, 2018-19 Division Three (South) Cup joint holders: 1936-37 Division Three (South) Cup runners-up: 1934-35 FA Youth Cup winners: 1981-82, 1988-89 FA Youth Cup runners-up: 1984-85 |
| Best League position | see above |
| Lowest League position | 15th, Division Four, 1958-59 |
| Furthest in FA Cup | see above |
| Furthest in League Cup | Semi-final, 1978-79, 2004-05 |
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| Most League points | |
| 2 for a win | 71, Division Four, 1977-78 |
| 3 for a win | 91, Championship, 2020-21 |
| Fewest League points | |
| 2 for a win | 19, Division Two, 1971-72 |
| 3 for a win | 24, Premiership, 1999-2000 |
| Most League goals scored | 92, Division Four, 1959-60 |
| Most League goals conceded | 89, Division Three (South), 1925-26 |
| Fewest League goals scored | 24, Division Two, 1971-72 |
| Fewest League goals conceded | 30, Championship, 2020-21 |
| Most wins in a League season | 30, Division Four, 1978-79 |
| Fewest wins in a League season | 5, Premiership, 2006-07 5, Division Two, 1971-72 |
| Most draws in a League season | 19, Division Two, 1996-97 |
| Fewest draws in a League season | 5, Division One, 1982-83 5, Division Three (South), 1946-47 |
| Most losses in a League season | 28, Division Two, 1971-72 |
| Fewest losses in a League season | 5, Division Four, 1977-78 |
| Record League win | 8-0 v Sunderland, Division One, 25 September 1982 |
| Record Cup win | 10-1 v Lowestoft Town, FA Cup 1st round, 27 November 1926 |
| Record League Cup win | 8-0 v Darlington, Littlewoods Challenge Cup 2nd round 2nd leg, 6 October 1987 |
| Record defeat | 0-10 v Wolverhampton Wanderers, FA Cup 1st round replay, 24 January 1912 |
| Record League Cup defeat | 3-7 v Nottingham Forest, Milk Cup 3rd round, 10 November 1982 |
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| Highest number of League goals scored | |
| in a season | 42, Cliff Holton, Division Four, 1959-60 |
| in total | 148, Luther Blissett, 1976-83, 1984-88, 1991-92 |
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| Most League goals scored in one match | 5, Eddie Mummery v Newport County, Division Three (South), 5th January 1924 |
| Most League appearances | 415, Luther Blissett, 1976-83, 1984-88, 1991-92 |
Most capped player | 31, John Barnes for England 31, Kenny Jackett for Wales |
| Youngest League player | 16 years 125 days, Keith Mercer v Tranmere Rovers, 16th February 1973 |
| Highest transfer fee received | £35,000,000 for Richarlison to Everton, July 2018 |
| Highest transfer fee paid | £12,500,000 (reported) for Isaac Success from Granada, July 2016 |
