Washington's 1st congressional district encompasses parts of King and Snohomish counties. The district covers several cities in the north of the Seattle metropolitan area, east of Interstate 5, including parts of Bellevue, Marysville, and up north toward Arlington.

In presidential elections, the 1st district has leaned Democratic. Under current boundaries, Barack Obama swept the district in 2008 and 2012, with 60% of the vote each time. Hillary Clinton won the district with 59% in 2016, Joe Biden received 63% in the district in 2020, and Kamala Harris received 62% here in 2024.

History

Pre-2012

The district from 2003 to 2013

Prior to the 2012 redistricting, the district encompassed part of Northwest Seattle and largely suburban areas north and east of Seattle, including Shoreline, Edmonds, Lynnwood, Mountlake Terrace, Kenmore, Bothell, Kirkland, and Redmond, as well as Bainbridge Island and part of the Kitsap Peninsula. Until March 20, 2012, it was represented by Democrat Jay Inslee from Bainbridge Island. Inslee resigned to focus on his run for Governor of the state; the seat remained vacant until the special election that coincided with the November 2012 general election.

The former House seat of powerful U.S. Senator Warren G. Magnuson, the district was a swing district throughout much of the 1990s, changing hands and parties three times in four elections. Before the election of future U.S. Senator Maria Cantwell in 1992, the district had been in Republican hands for 40 years (and 42 of the previous 46 years). Since the 1998 election, when Inslee was first elected, the growing Democratic trend in the Seattle area enabled him to turn it into a fairly safe seat. He had been re-elected six times, with little difficulty, most recently in 2010.

Post-2012

The district from 2013 to 2023

The 2012 redistricting drastically changed the 1st district. Much of this area was previously part of the 2nd district, but in the new map, the 2nd has shrunk significantly. Jay Inslee (D) was the representative of the 1st district until resigning to run for governor of the state, but most of the district has been represented by Rick Larsen (D), of the 2nd district, in the past.

Soon after the 2012 general election polls closed, the Seattle Times and national news organizations called the district for Democrat Suzan DelBene, defeating Republican John Koster with a margin that the Seattle Times called "unexpectedly decisive", reflecting the difficulty of predicting the vote in the new district. The certified results confirmed her significant margin. DelBene also won the election for the remainder of Inslee's term in the old first district, and after being sworn in on November 13, 2012.

Recent election results from statewide races

YearOfficeResults
2008PresidentObama 60%–38%
2010SenateMurray 53%–47%
2012PresidentObama 60%–40%
2016PresidentClinton 59%–33%
SenateMurray 60%–40%
GovernorInslee 55%–45%
Lt. GovernorHabib 58%–42%
Secretary of StateWyman 54%–46%
AuditorMcCarthy 52%–48%
2018SenateCantwell 62%–38%
2020PresidentBiden 63%–33%
GovernorInslee 61%–38%
Secretary of StateWyman 52%–48%
TreasurerPellicciotti 57%–43%
AuditorMcCarthy 62%–38%
Attorney GeneralFerguson 60%–40%
2022SenateMurray 62%–37%
Secretary of State (Spec.)Hobbs 55%–41%
2024PresidentHarris 62%–34%
SenateCantwell 63%–37%
GovernorFerguson 59%–40%
Lt. GovernorHeck 60%–40%
Secretary of StateHobbs 64%–36%
TreasurerPellicciotti 61%–39%
AuditorMcCarthy 62%–38%
Attorney GeneralBrown 60%–40%
Commissioner of Public LandsUpthegrove 57%–43%

Composition

For the 118th and successive Congresses (based on redistricting following the 2020 census), the district contains all or portions of the following counties and communities:

King County (12)

Bellevue (part; also 9th), Bothell (shared with Snohomish County), Clyde Hill, Cottage Lake (part; also 8th), Hunts Point, Kenmore, Kirkland, Medina, Redmond (part; also 8th), Union Hill-Novelty Hill (part; also 8th), Woodinville, Yarrow Point

Snohomish County (32)

Alderwood Manor, Arlington, Bothell (shared with King County), Bothell East, Bothell West, Brier, Bunk Foss, Cathcart, Cavalero, Chain Lake, Clearview, Eastmont, Fobes Hill, High Bridge, Lake Cassidy, Lake Stevens, Larch Way, Lochsloy, Machias, Maltby, Martha Lake, Marysville (part; also 2nd), Mill Creek, Mill Creek East, Monroe, Monroe North, Mountlake Terrace, North Lynwood (part; also 2nd), Silver Firs, Sisco Heights, Snohomish (part; also 8th), Three Lakes

List of members representing the district

Beginning in 1909, members were elected from districted seats, instead of at-large statewide. (See Washington's at-large congressional district.)

MemberPartyYearsCong ressElectoral historyDistrict location
District established March 4, 1909
William E. Humphrey (Seattle)RepublicanMarch 4, 1909 – March 3, 191761st 62nd 63rd 64thRedistricted from the at-large district and re-elected in 1908. Re-elected in 1910. Re-elected in 1912. Re-elected in 1914. Retired to run for U.S. senator.
John Franklin Miller (Seattle)RepublicanMarch 4, 1917 – March 3, 193165th 66th 67th 68th 69th 70th 71stElected in 1916. Re-elected in 1918. Re-elected in 1920. Re-elected in 1922. Re-elected in 1924. Re-elected in 1926. Re-elected in 1928. Lost renomination.
Ralph Horr (Seattle)RepublicanMarch 4, 1931 – March 3, 193372ndElected in 1930. Lost renomination.
Marion Zioncheck (Seattle)DemocraticMarch 4, 1933 – August 7, 193673rd 74thElected in 1932. Re-elected in 1934. Died.
VacantAugust 7, 1936 – January 3, 193774th
Warren Magnuson (Seattle)DemocraticJanuary 3, 1937 – December 13, 194475th 76th 77th 78thElected in 1936. Re-elected in 1938. Re-elected in 1940. Re-elected in 1942. Retired to run for U.S. senator and resigned when elected.
VacantDecember 13, 1944 – January 3, 194578th
Hugh De Lacy (Seattle)DemocraticJanuary 3, 1945 – January 3, 194779thElected in 1944. Lost re-election.
Homer Jones (Bremerton)RepublicanJanuary 3, 1947 – January 3, 194980thElected in 1946. Lost re-election.
Hugh Mitchell (Seattle)DemocraticJanuary 3, 1949 – January 3, 195381st 82ndElected in 1948. Re-elected in 1950. Retired to run for Governor of Washington.
Thomas Pelly (Seattle)RepublicanJanuary 3, 1953 – January 3, 197383rd 84th 85th 86th 87th 88th 89th 90th 91st 92ndElected in 1952. Re-elected in 1954. Re-elected in 1956. Re-elected in 1958. Re-elected in 1960. Re-elected in 1962. Re-elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Retired.
Joel Pritchard (Seattle)RepublicanJanuary 3, 1973 – January 3, 198593rd 94th 95th 96th 97th 98thElected in 1972. Re-elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Retired.
John Miller (Seattle)RepublicanJanuary 3, 1985 – January 3, 199399th 100th 101st 102ndElected in 1984. Re-elected in 1986. Re-elected in 1988. Re-elected in 1990. Retired.
Maria Cantwell (Mountlake Terrace)DemocraticJanuary 3, 1993 – January 3, 1995103rdElected in 1992. Lost re-election.
Rick White (Bainbridge Island)RepublicanJanuary 3, 1995 – January 3, 1999104th 105thElected in 1994. Re-elected in 1996. Lost re-election.
Jay Inslee (Bainbridge Island)DemocraticJanuary 3, 1999 – March 20, 2012106th 107th 108th 109th 110th 111th 112thElected in 1998. Re-elected in 2000. Re-elected in 2002. Re-elected in 2004. Re-elected in 2006. Re-elected in 2008. Re-elected in 2010. Resigned to run for Governor of Washington.
2003–2013
VacantMarch 20, 2012 – November 6, 2012112th
Suzan DelBene (Medina)DemocraticNovember 6, 2012 – present112th 113th 114th 115th 116th 117th 118th 119thElected to finish Inslee's term. Elected to full term in 2012. Re-elected in 2014. Re-elected in 2016. Re-elected in 2018. Re-elected in 2020. Re-elected in 2022. Re-elected in 2024.
2013–2023
2023–present

Recent election results

2010

United States House of Representatives elections in Washington, 2010
PartyCandidateVotes%
DemocraticJay Inslee (incumbent)172,64257.67
RepublicanJames Watkins126,73742.33
Total votes299,379100.0
Turnout
Democratic hold

2012 short term (2010 boundaries)

United States House of Representatives elections in Washington, 2012 One Month Short Term
PartyCandidateVotes%
DemocraticSuzan DelBene216,14460.42
RepublicanJohn Koster141,59139.58
Total votes357,735100.0
Turnout
Democratic hold

2012

United States House of Representatives elections in Washington, 2012
PartyCandidateVotes%
DemocraticSuzan DelBene (incumbent)177,02553.94
RepublicanJohn Koster151,18746.06
Total votes328,212100.0
Turnout
Democratic hold

2014

Washington's 1st Congressional District - November 4, 2014
PartyCandidateVotes%
DemocraticSuzan DelBene (incumbent)124,15155.04
RepublicanPedro Celis101,42844.96
Total votes225,579100
Democratic hold

2016

Washington's 1st Congressional District - November 8, 2016
PartyCandidateVotes%
DemocraticSuzan DelBene (incumbent)193,61955.42
RepublicanRobert J. Sutherland155,77944.58
Total votes349,398100
Democratic hold

2018

Washington's 1st Congressional District - November 6, 2018
PartyCandidateVotes%
DemocraticSuzan DelBene (incumbent)197,20959.27
RepublicanJeffrey Beeler135,53440.73
Total votes332,743100
Democratic hold

2020

Washington's 1st Congressional District - November 3, 2020
PartyCandidateVotes%
DemocraticSuzan DelBene (incumbent)249,94458.6
RepublicanJeffrey Beeler176,40741.3
Write-in5110.1
Total votes426,862100.0
Democratic hold

2022

Washington's 1st Congressional District - November 8, 2022
PartyCandidateVotes%
DemocraticSuzan DelBene (incumbent)181,99263.5
RepublicanVincent Cavaleri104,32936.4
Write-in3630.1
Total votes286,684100.0
Democratic hold

2024

Washington's 1st Congressional District - November 5, 2024
PartyCandidateVotes%
DemocraticSuzan DelBene (incumbent)227,21363.0
RepublicanJeb Brewer132,53836.7
Write-in9070.3
Total votes360,658100.0
Democratic hold

See also

Notes

  • Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
  • Martis, Kenneth C. (1982). The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company.
  • April 23, 2010, at the Wayback Machine

External links

47°50′N 122°24′W/47.833°N 122.400°W/ 47.833; -122.400