Washington's 1st congressional district

Washington's 1st congressional district
Interactive map of district boundaries since January 3, 2023
Representative	Suzan DelBene D–Medina
Population (2022)	782,320
Median household income	$125,412[1]
Ethnicity	59.7% White 19.7% Asian 9.8% Hispanic 6.6% Two or more races 2.6% Black 1.5% other
Cook PVI	D+13[2]

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 the old boundaries, Al Gore and John Kerry narrowly carried the district in 2000 and 2004, with 48% and 51% of the vote, respectively. In 2008, Barack Obama swept the district with 55.60% of the vote, while John McCain received 42%. Similarly, Hillary Clinton won the district in 2016 with 54% of the vote over Donald Trump with 38%, and in 2020 Joe Biden polled 59% to 38% for Donald Trump.