California's 11th congressional district

California's 11th congressional district is a U.S. House district located in the San Francisco Bay Area. It encompasses a significant portion of Contra Costa County, including cities such as Walnut Creek, Concord, and Martinez. The district has been represented by a Democrat since the early 21st century and is considered a reliably Democratic seat.

History

The district's boundaries have been redrawn multiple times following the United States Census and the state's redistricting process. For much of the late 20th century, it was represented by long-serving Republican Bill Baker. A pivotal shift occurred in 1998 when Ellen Tauscher, a Democrat and former New York Stock Exchange executive, won the seat, signaling the area's changing political landscape. Tauscher later served as an Under Secretary of State for Arms Control and International Security Affairs under President Barack Obama. Following her resignation, a special election was held, won by Jerry McNerney, who had previously unseated Richard Pombo in the adjacent 19th district. The district's contours were substantially altered by the 2010 redistricting, moving it entirely into Contra Costa County.

Geography

The district is situated in the East Bay region of the San Francisco Bay Area. It includes the central and eastern portions of Contra Costa County, stretching from the Carquinez Strait in the west to the San Joaquin County line in the east. Major population centers include Walnut Creek, Concord (home to the Concord Naval Weapons Station), Martinez (the county seat), Pleasant Hill, and Clayton. The district's geography features the Mount Diablo foothills and is traversed by major transportation corridors like Interstate 680 and Interstate 80. It borders the 10th district to the south and east and the 12th district to the west.

Demographics

The district is one of the more affluent and highly educated in the nation. According to the American Community Survey, it has a median household income significantly above the state and national averages. A large percentage of the adult population holds a bachelor's degree or higher. Ethnically, the district is predominantly non-Hispanic white, with significant Asian American communities, particularly in cities like Walnut Creek. Other represented groups include Hispanic and African American residents. The district's economy is closely tied to the broader San Francisco Bay Area economy, with many residents employed in professional sectors such as technology, finance, health care, and education.

Recent election results

The district has become a Democratic stronghold in recent federal elections. In the 2020 presidential election, Joe Biden carried the district by a wide margin over Donald Trump. In congressional races, Mark DeSaulnier, who succeeded Jerry McNerney after the 2014 elections, has won re-election by substantial margins. His opponents have included Republicans like John Fitzgerald and Nisha Sharma. DeSaulnier's electoral success mirrors the district's strong Democratic tilt in contests for the United States Senate and Governor of California.

List of representatives

{| class="wikitable" |- ! Representative ! Party ! Years ! Congress ! Electoral history |- | Bill Baker | Republican | 1993–1997 | 103rd–104th | Elected in 1992 from the prior 10th district configuration. Retired. |- | Ellen Tauscher | Democratic | 1997–2009 | 105th–111th | Elected in 1996. Resigned to become Under Secretary of State for Arms Control and International Security Affairs. |- | Jerry McNerney | Democratic | 2009–2013 | 111th–112th | Won special election. Redistricted to the 9th district. |- | Mark DeSaulnier | Democratic | 2015–present | 114th–present | Elected in 2014. Incumbent. |}

Category:California's congressional districts