| olspan="9"|District | | st!!2nd!!3rd!!4th!!5th!!6th!!7th!!8th!!9th |
b>51st*
(1889-1891) | bgcolor=#FFE8E8 rowspan="3"|John L. Wilson |
b>52nd*
(1891-1893) |
b>53rd*
(1893-1895) | bgcolor=#FFE8E8 rowspan="2"|William H. Doolittle |
b>54th*
(1895-1897) | bgcolor=#FFE8E8|Samuel C. Hyde |
b>55th*
(1897-1899) | bgcolor=#FFE8E8|William Carey Jones
(Silver Republican) | bgcolor=#DDEEFF|J. Hamilton Lewis |
b>56th*
(1899-1901) | bgcolor=#FFE8E8 rowspan="5"|Wesley L. Jones | bgcolor=#FFE8E8 rowspan="6"|Francis W. Cushman |
b>57th*
(1901-1903) |
b>58th*
(1903-1905) | bgcolor=#FFE8E8 rowspan="3"|William E. Humphrey |
b>59th*
(1905-1907) |
b>60th*
(1907-1909) |
owspan="2"|61st
(1909-1911) | bgcolor=#FFE8E8 rowspan="5"|William E. Humphrey | bgcolor=#FFE8E8 rowspan="2"|Miles Poindexter |
| gcolor=#FFE8E8|William W. McCredie |
b>62nd
(1911-1913) | bgcolor=#FFE8E8|Stanton Warburton | bgcolor=#FFE8E8 rowspan="2"|William Leroy La Follette |
b>63rd
(1913-1915) | bgcolor=#FFE8E8|Albert Johnson | James Wesley Bryan
(Progressive)
(At-large) | Jacob Falconer
(Progressive)
(At-large) |
b>64th
(1915-1917) | bgcolor=#FFE8E8 rowspan="10"|Lindley H. Hadley | bgcolor=#FFE8E8 rowspan="10"|Albert Johnson | bgcolor=#FFE8E8 rowspan="2"|William Leroy La Follette | bgcolor=#DDEEFF rowspan="2"|Clarence Cleveland Dill |
b>65th
(1917-1919) | bgcolor=#FFE8E8 rowspan="8"|John F. Miller |
b>66th
(1919-1921) | bgcolor=#FFE8E8 rowspan="8"|John W. Summers | bgcolor=#FFE8E8 rowspan="3"|J. Stanley Webster |
b>67th
(1921-1923) |
owspan="2"|68th
(1923-1925) |
| gcolor=#DDEEFF rowspan="7"|Samuel Billingsley Hill |
b>69th
(1925-1927) |
b>70th
(1927-1929) |
b>71st
(1929-1931) |
b>72nd
(1931-1933) | bgcolor=#FFE8E8|Ralph A. Horr |
b>73rd
(1933-1935) | bgcolor=#DDEEFF rowspan="2"|Marion Anthony Zioncheck | bgcolor=#DDEEFF rowspan="4"|Monrad C. Wallgren | bgcolor=#DDEEFF rowspan="5"|Martin F. Smith | bgcolor=#DDEEFF rowspan="5"|Knute Hill | bgcolor=#DDEEFF rowspan="2"|Wesley Lloyd |
b>74th
(1935-1937) |
b>75th
(1937-1939) | bgcolor=#DDEEFF rowspan="4"|Warren G. Magnuson | bgcolor=#DDEEFF rowspan="3"|Charles H. Leavy | bgcolor=#DDEEFF rowspan="5"|John M. Coffee |
b>76th
(1939-1941) |
b>77th
(1941-1943) | bgcolor=#DDEEFF rowspan="7"|Henry M. Jackson |
b>78th
(1943-1945) | bgcolor=#FFE8E8|Fred B. Norman | bgcolor=#FFE8E8 rowspan="9"|Hal Holmes | bgcolor=#FFE8E8 rowspan="13"|Walt Horan |
b>79th
(1945-1947) | bgcolor=#DDEEFF|Hugh De Lacy | bgcolor=#DDEEFF|Charles R. Savage |
owspan="2"|80th
(1947-1949) | bgcolor=#FFE8E8 rowspan="2"|Homer R. Jones | bgcolor=#FFE8E8|Fred B. Norman | bgcolor=#FFE8E8 rowspan="11"|Thor C. Tollefson |
| gcolor=#FFE8E8 rowspan="7"|Russell V. Mack |
b>81st
(1949-1951) | bgcolor=#DDEEFF rowspan="2"|Hugh B. Mitchell |
b>82nd
(1951-1953) |
b>83rd
(1953-1955) | bgcolor=#FFE8E8 rowspan="11"|Thomas Minor Pelly | bgcolor=#FFE8E8 rowspan="7"|Jack Westland | bgcolor=#DDEEFF rowspan="3"|Donald Hammer Magnuson
(At-large) |
b>84th
(1955-1957) |
b>85th
(1957-1959) |
owspan="2"|86th
(1959-1961) | bgcolor=#FFE8E8 rowspan="7"|Catherine Dean Barnes May | bgcolor=#DDEEFF rowspan="3"|Donald Hammer Magnuson |
| gcolor=#DDEEFF rowspan="8"|Julia Butler Hansen |
b>87th
(1961-1963) |
b>88th
(1963-1965) | bgcolor=#FFE8E8|K. William Stinson |
b>89th
(1965-1967) | bgcolor=#DDEEFF rowspan="8"|Lloyd Meeds | bgcolor=#DDEEFF rowspan="16"|Tom Foley | bgcolor=#DDEEFF rowspan="6"|Floyd Verne Hicks | bgcolor=#DDEEFF rowspan="7"|Brock Adams |
b>90th
(1967-1969) |
b>91st
(1969-1971) |
b>92nd
(1971-1973) | bgcolor=#DDEEFF rowspan="6"|Mike McCormack |
b>93rd
(1973-1975) | bgcolor=#FFE8E8 rowspan="7"|Joel Pritchard |
b>94th
(1975-1977) | bgcolor=#DDEEFF rowspan="8"|Don Bonker |
owspan="2"|95th
(1977-1979) | bgcolor=#DDEEFF rowspan="16"|Norman Dicks |
| gcolor=#FFE8E8|John Edward Cunningham III |
b>96th
(1979-1981) | bgcolor=#DDEEFF rowspan="8"|Al Swift | bgcolor=#DDEEFF rowspan="5"|Mike Lowry |
b>97th
(1981-1983) | bgcolor=#FFE8E8 rowspan="6"|Sid Morrison |
b>98th
(1983-1985) | bgcolor=#FFE8E8 rowspan="5"|Rod Chandler |
b>99th
(1985-1987) | bgcolor=#FFE8E8 rowspan="4"|John Ripin Miller |
b>100th
(1987-1989) |
b>101st
(1989-1991) | bgcolor=#DDEEFF rowspan="3"|Jolene Unsoeld | bgcolor=#DDEEFF rowspan="9"|Jim McDermott |
b>102nd
(1991-1993) |
b>103rd
(1993-1995) | bgcolor=#DDEEFF|Maria Cantwell | bgcolor=#DDEEFF|Jay Inslee | bgcolor=#FFE8E8 rowspan="6"|Jennifer Dunn | bgcolor=#DDEEFF|Mike Kreidler |
b>104th
(1995-1997) | bgcolor=#FFE8E8 rowspan="2"|Richard Alan White | bgcolor=#FFE8E8 rowspan="3"|Jack Metcalf | bgcolor=#FFE8E8 rowspan="2"|Linda Smith | bgcolor=#FFE8E8 rowspan="6"|Doc Hastings | bgcolor=#FFE8E8 rowspan="5"|George R. Nethercutt, Jr. | bgcolor=#FFE8E8 |Randy J. Tate |
b>105th
(1997-1999) | bgcolor=#DDEEFF rowspan="5"|Adam Smith |
b>106th
(1999-2001) | bgcolor=#DDEEFF rowspan="4"|Jay Inslee | bgcolor=#DDEEFF rowspan="4"|Brian Baird |
b>107th
(2001-2003) | bgcolor=#DDEEFF rowspan="3"|Rick Larsen |
b>108th
(2003-2005) |
b>109th
(2005-2007) | bgcolor=#FFE8E8|Cathy McMorris | bgcolor=#FFE8E8|Dave Reichert |