| 1890-91 | Joined Midland League |
| 1891-92 | Joined Northern League |
| 1892-93 | Founder member of Football League Division Two |
|
| Division Two runner-up |
|
| Promoted after Test Match (Sheffield Utd 1 Accrington 0) |
|
| Also played in Northern League |
| 1896-97 | Football League runner-up |
| 1897-98 | Football League Champions |
| 1898-99 | F.A. Cup Winners |
| 1899-00 | Football League runner-up |
| 1900-01 | F.A. Cup runner-up |
| 1901-02 | F.A. Cup Winners (2nd time) |
| 1913-14 | F.A. Cup semi-finalists |
| 1914-15 | F.A. Cup Winners (3rd time) |
| 1922-23 | F.A. Cup semi-finalists |
| 1924-25 | F.A. Cup Winners (4th time) |
| 1927-28 | F.A. Cup Semi-finalists |
| 1934 | Relegated to Division Two |
| 1935-36 | F.A. Cup runner-up |
| 1938-39 | Football League Division Two runner-up |
| 1939-40 | Football League programme abandoned due to outbreak of war |
| 1949 | Relegated to Division Two |
| 1949-50 | Finished 3rd, missed promotion to Division One by goal average |
| 1952-53 | Football League Division Two Champions |
|
| Promoted to Division One |
| 1956 | Relegated to Division Two |
| 1960-61 | Football League Division Two runner-up |
|
| Promoted to Division One |
|
| F.A. Cup semi-finalists |
| 1968 | Relegated to Division Two |
| 1970-71 | Football League Division Two runner-up |
|
| Promoted to Division One |
| 1976 | Relegated to Division Two |
| 1979 | Relegated to Division Three |
| 1981 | Relegated to Division Four |
| 1981-82 | Football League Division Four Champions |
|
| Promoted to Division Three |
| 1983-84 | Promoted to Division Two (on goal difference) |
| 1987 | Relegated to Division Three after play-offs (SF Bristol City 1 |
|
| Sheffield United 0, Sheffield United 1 Bristol City 1, Agg 1-2) |
| 1988-89 | Football League Division Three runner-up, and promoted to |
|
| Division Two, on goal difference |
| 1989-90 | Football League Division Two runner-up (lost title on goal diff.) |
|
| Promoted to Division One |
| 1992-93 | Founder members of F.A. Premiership |
|
| F.A. Cup Semi-finalists |
| 1994 | Relegated to Football League Division One |
| 1996-97 | Not promoted after play-offs (SF Sheffield United 1 Ipswich Town |
|
| 1, Ipswich Town 2 Sheffield United 2 - Agg 3-3, won on away goals |
|
| F Crystal Palace 1 Sheffield United 0 @ Wembley) |
| 1997-98 | Not promoted after play-offs (SF Sheffied United 2 Sunderland 1, |
|
| Sunderland 2 Sheffield United 0 - Agg 2-3) |
|
| F.A. Cup Semi-finalists |
| 2002-03 | Football League Cup semi-finalists |
|
| F.A. Cup Semi-finalists |
|
| Not promoted after Play-offs (SF Nottingham Forest 1 Sheffield |
|
| United 1, Sheffield United 4 Nottingham Forest 3 - Agg 5-3, F |
|
| Sheffield United 0 Wolverhampton Wanderers 3 @ Millennium Stadium, |
|
| Cardiff) |
| 2004-05 | Division One renamed "Football League Championship" |
| 2005-06 | Football League runner-up |
|
| Promoted to F A Premier League |
