Location: Seattle, Washington ▪ Colors: Purple & Gold
Record: 112 Years, 1688-1097, .606 W-L%
Conferences: Pac-12, Pac-10, Pac-8, AAWU, PCC and Ind
Conference Champion: 11 Times (Reg. Seas.), 3 Times (Tourn.)
NCAA Tournament: 16 Years (18-17), 1 Final Four, 0 Championships
Ranked in AP Poll: 6 Times (Preseason), 8 Times (Final), 150 Weeks (Total)
| Rk | Year | Wk | Date | Rk | Prev | Chng |
|---|---|---|---|---|---|---|
| 1 | 2011 | 1 | Preseason | 18 | NA | — |
| 2 | 2011 | 2 | 2010-11-15 | 17 | 18 | 1 |
| 3 | 2011 | 3 | 2010-11-22 | 13 | 17 | 4 |
| 4 | 2011 | 4 | 2010-11-29 | 23 | 13 | 10 |
| 5 | 2011 | 5 | 2010-12-06 | 21 | 23 | 2 |
| 6 | 2011 | 9 | 2011-01-03 | 23 | |
|
| 7 | 2011 | 10 | 2011-01-10 | 17 | 23 | 6 |
| 8 | 2011 | 11 | 2011-01-17 | 20 | 17 | 3 |
| 9 | 2011 | 12 | 2011-01-24 | 18 | 20 | 2 |
| 10 | 2011 | 13 | 2011-01-31 | 20 | 18 | 2 |
| 11 | 2011 | 19 | Final | 23 | |
|
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 12 | 2010 | 1 | Preseason | 14 | NA | — |
| 13 | 2010 | 2 | 2009-11-16 | 14 | 14 | NC |
| 14 | 2010 | 3 | 2009-11-23 | 14 | 14 | NC |
| 15 | 2010 | 4 | 2009-11-30 | 12 | 14 | 2 |
| 16 | 2010 | 5 | 2009-12-07 | 17 | 12 | 5 |
| 17 | 2010 | 6 | 2009-12-14 | 24 | 17 | 7 |
| 18 | 2010 | 7 | 2009-12-21 | 22 | 24 | 2 |
| 19 | 2010 | 8 | 2009-12-28 | 17 | 22 | 5 |
| 20 | 2010 | 9 | 2010-01-04 | 24 | 17 | 7 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 21 | 2009 | 12 | 2009-01-26 | 23 | |
|
| 22 | 2009 | 13 | 2009-02-02 | 22 | 23 | 1 |
| 23 | 2009 | 15 | 2009-02-16 | 22 | |
|
| 24 | 2009 | 16 | 2009-02-23 | 21 | 22 | 1 |
| 25 | 2009 | 17 | 2009-03-02 | 16 | 21 | 5 |
| 26 | 2009 | 18 | 2009-03-09 | 13 | 16 | 3 |
| 27 | 2009 | 19 | Final | 15 | 13 | 2 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 28 | 2007 | 1 | Preseason | 17 | NA | — |
| 29 | 2007 | 2 | 2006-11-14 | 17 | 17 | NC |
| 30 | 2007 | 3 | 2006-11-21 | 16 | 17 | 1 |
| 31 | 2007 | 4 | 2006-11-28 | 13 | 16 | 3 |
| 32 | 2007 | 5 | 2006-12-05 | 13 | 13 | NC |
| 33 | 2007 | 6 | 2006-12-12 | 17 | 13 | 4 |
| 34 | 2007 | 7 | 2006-12-19 | 17 | 17 | NC |
| 35 | 2007 | 8 | 2006-12-26 | 14 | 17 | 3 |
| 36 | 2007 | 9 | 2007-01-02 | 24 | 14 | 10 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 37 | 2006 | 3 | 2005-11-22 | 25 | |
|
| 38 | 2006 | 4 | 2005-11-29 | 18 | 25 | 7 |
| 39 | 2006 | 5 | 2005-12-06 | 13 | 18 | 5 |
| 40 | 2006 | 6 | 2005-12-13 | 11 | 13 | 2 |
| 41 | 2006 | 7 | 2005-12-20 | 9 | 11 | 2 |
| 42 | 2006 | 8 | 2005-12-27 | 7 | 9 | 2 |
| 43 | 2006 | 9 | 2006-01-03 | 10 | 7 | 3 |
| 44 | 2006 | 10 | 2006-01-10 | 13 | 10 | 3 |
| 45 | 2006 | 11 | 2006-01-17 | 10 | 13 | 3 |
| 46 | 2006 | 12 | 2006-01-24 | 10 | 10 | NC |
| 47 | 2006 | 13 | 2006-01-31 | 16 | 10 | 6 |
| 48 | 2006 | 14 | 2006-02-07 | 21 | 16 | 5 |
| 49 | 2006 | 15 | 2006-02-14 | 20 | 21 | 1 |
| 50 | 2006 | 16 | 2006-02-21 | 17 | 20 | 3 |
| 51 | 2006 | 17 | 2006-02-28 | 14 | 17 | 3 |
| 52 | 2006 | 18 | 2006-03-07 | 12 | 14 | 2 |
| 53 | 2006 | 19 | Final | 17 | 12 | 5 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 54 | 2005 | 1 | Preseason | 22 | NA | — |
| 55 | 2005 | 2 | 2004-11-16 | 22 | 22 | NC |
| 56 | 2005 | 3 | 2004-11-23 | 22 | 22 | NC |
| 57 | 2005 | 4 | 2004-11-30 | 14 | 22 | 8 |
| 58 | 2005 | 5 | 2004-12-07 | 16 | 14 | 2 |
| 59 | 2005 | 6 | 2004-12-14 | 18 | 16 | 2 |
| 60 | 2005 | 7 | 2004-12-21 | 12 | 18 | 6 |
| 61 | 2005 | 8 | 2004-12-28 | 13 | 12 | 1 |
| 62 | 2005 | 9 | 2005-01-04 | 12 | 13 | 1 |
| 63 | 2005 | 10 | 2005-01-11 | 14 | 12 | 2 |
| 64 | 2005 | 11 | 2005-01-18 | 10 | 14 | 4 |
| 65 | 2005 | 12 | 2005-01-25 | 10 | 10 | NC |
| 66 | 2005 | 13 | 2005-02-01 | 13 | 10 | 3 |
| 67 | 2005 | 14 | 2005-02-08 | 11 | 13 | 2 |
| 68 | 2005 | 15 | 2005-02-15 | 15 | 11 | 4 |
| 69 | 2005 | 16 | 2005-02-22 | 14 | 15 | 1 |
| 70 | 2005 | 17 | 2005-03-01 | 10 | 14 | 4 |
| 71 | 2005 | 18 | 2005-03-08 | 14 | 10 | 4 |
| 72 | 2005 | 19 | Final | 8 | 14 | 6 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 73 | 1999 | 1 | Preseason | 14 | NA | — |
| 74 | 1999 | 2 | 1998-11-17 | 14 | 14 | NC |
| 75 | 1999 | 3 | 1998-11-24 | 16 | 14 | 2 |
| 76 | 1999 | 4 | 1998-12-01 | 15 | 16 | 1 |
| 77 | 1999 | 5 | 1998-12-08 | 22 | 15 | 7 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 78 | 1985 | 1 | Preseason | 9 | NA | — |
| 79 | 1985 | 2 | 1984-11-27 | 8 | 9 | 1 |
| 80 | 1985 | 3 | 1984-12-04 | 9 | 8 | 1 |
| 81 | 1985 | 4 | 1984-12-11 | 8 | 9 | 1 |
| 82 | 1985 | 5 | 1984-12-18 | 7 | 8 | 1 |
| 83 | 1985 | 6 | 1984-12-25 | 11 | 7 | 4 |
| 84 | 1985 | 7 | 1985-01-01 | 15 | 11 | 4 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 85 | 1984 | 12 | 1984-02-07 | 17 | |
|
| 86 | 1984 | 13 | 1984-02-14 | 15 | 17 | 2 |
| 87 | 1984 | 14 | 1984-02-21 | 18 | 15 | 3 |
| 88 | 1984 | 15 | 1984-02-28 | 13 | 18 | 5 |
| 89 | 1984 | 16 | 1984-03-06 | 13 | 13 | NC |
| 90 | 1984 | 17 | Final | 15 | 13 | 2 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 91 | 1982 | 12 | 1982-02-09 | 19 | |
|
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 92 | 1976 | 2 | 1975-12-02 | 20 | |
|
| 93 | 1976 | 3 | 1975-12-09 | 15 | 20 | 5 |
| 94 | 1976 | 4 | 1975-12-16 | 12 | 15 | 3 |
| 95 | 1976 | 5 | 1975-12-23 | 13 | 12 | 1 |
| 96 | 1976 | 6 | 1975-12-30 | 13 | 13 | NC |
| 97 | 1976 | 7 | 1976-01-06 | 8 | 13 | 5 |
| 98 | 1976 | 8 | 1976-01-13 | 6 | 8 | 2 |
| 99 | 1976 | 9 | 1976-01-20 | 8 | 6 | 2 |
| 100 | 1976 | 10 | 1976-01-27 | 6 | 8 | 2 |
| 101 | 1976 | 11 | 1976-02-03 | 6 | 6 | NC |
| 102 | 1976 | 12 | 1976-02-10 | 9 | 6 | 3 |
| 103 | 1976 | 13 | 1976-02-17 | 11 | 9 | 2 |
| 104 | 1976 | 14 | 1976-02-24 | 8 | 11 | 3 |
| 105 | 1976 | 15 | 1976-03-02 | 10 | 8 | 2 |
| 106 | 1976 | 16 | 1976-03-09 | 11 | 10 | 1 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 107 | 1975 | 14 | 1975-02-25 | 20 | |
|
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 108 | 1970 | 3 | 1969-12-16 | 20 | |
|
| 109 | 1970 | 4 | 1969-12-23 | 10 | 20 | 10 |
| 110 | 1970 | 5 | 1969-12-30 | 9 | 10 | 1 |
| 111 | 1970 | 6 | 1970-01-06 | 14 | 9 | 5 |
| 112 | 1970 | 7 | 1970-01-13 | 15 | 14 | 1 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 113 | 1959 | 3 | 1958-12-23 | 19 | |
|
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 114 | 1953 | 1 | 1952-12-16 | 9 | NA | — |
| 115 | 1953 | 2 | 1952-12-23 | 7 | 9 | 2 |
| 116 | 1953 | 3 | 1952-12-30 | 5 | 7 | 2 |
| 117 | 1953 | 4 | 1953-01-06 | 6 | 5 | 1 |
| 118 | 1953 | 5 | 1953-01-13 | 5 | 6 | 1 |
| 119 | 1953 | 6 | 1953-01-20 | 3 | 5 | 2 |
| 120 | 1953 | 7 | 1953-01-27 | 3 | 3 | NC |
| 121 | 1953 | 8 | 1953-02-03 | 3 | 3 | NC |
| 122 | 1953 | 9 | 1953-02-10 | 3 | 3 | NC |
| 123 | 1953 | 10 | 1953-02-17 | 3 | 3 | NC |
| 124 | 1953 | 11 | 1953-02-24 | 3 | 3 | NC |
| 125 | 1953 | 12 | 1953-03-03 | 4 | 3 | 1 |
| 126 | 1953 | 13 | 1953-03-10 | 2 | 4 | 2 |
| 127 | 1953 | 14 | Final | 4 | 2 | 2 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 128 | 1952 | 1 | 1951-12-10 | 6 | NA | — |
| 129 | 1952 | 2 | 1951-12-17 | 8 | 6 | 2 |
| 130 | 1952 | 3 | 1951-12-25 | 3 | 8 | 5 |
| 131 | 1952 | 4 | 1952-01-01 | 3 | 3 | NC |
| 132 | 1952 | 5 | 1952-01-08 | 6 | 3 | 3 |
| 133 | 1952 | 6 | 1952-01-15 | 8 | 6 | 2 |
| 134 | 1952 | 7 | 1952-01-22 | 6 | 8 | 2 |
| 135 | 1952 | 8 | 1952-01-29 | 9 | 6 | 3 |
| 136 | 1952 | 9 | 1952-02-05 | 8 | 9 | 1 |
| 137 | 1952 | 10 | 1952-02-12 | 8 | 8 | NC |
| 138 | 1952 | 11 | 1952-02-19 | 6 | 8 | 2 |
| 139 | 1952 | 12 | 1952-02-26 | 6 | 6 | NC |
| 140 | 1952 | 13 | Final | 6 | 6 | NC |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 141 | 1951 | 1 | 1950-12-19 | 12 | NA | — |
| 142 | 1951 | 2 | 1950-12-26 | 15 | 12 | 3 |
| 143 | 1951 | 3 | 1951-01-03 | 12 | 15 | 3 |
| 144 | 1951 | 4 | 1951-01-09 | 12 | 12 | NC |
| 145 | 1951 | 5 | 1951-01-16 | 15 | 12 | 3 |
| 146 | 1951 | 10 | 1951-02-20 | 19 | |
|
| 147 | 1951 | 11 | 1951-02-27 | 19 | 19 | NC |
| 148 | 1951 | 12 | Final | 15 | 19 | 4 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 149 | 1950 | 2 | 1950-01-10 | 20 | |
|
| 150 | 1950 | 4 | 1950-01-24 | 16 | |