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Mike Thompson represents California's 4th Congressional District. The district includes all of Napa and Lake Counties and parts of Solano, Sonoma, and Yolo Counties. He was first elected in 1998. Prior to serving in Congress, Rep. Thompson represented California's 2nd District in the California State Senate where he chaired the powerful Budget Committee.
He is a member of the powerful House Committee on Ways and Means.
LATEST NEWS
Washington – Today, Rep. Mike Thompson (D-CA-04) and Rep. Greg Steube (R-FL-17) announced that they have founded the bipartisan Natural Disaster Caucus. Members of the Natural Disaster Caucus are dedicated to natural disaster preparation, response, and relief. Reps.
Napa - Sunday, Rep. Mike Thompson (CA-04) announced that Isabella Macias, a sophomore at American Canyon High School, was chosen as California’s Fourth District winner of the 2025 Congressional Art Competition. Amy Shan from Davis Senior High School was named as the Yolo County finalist.
Napa - Sunday, Rep. Mike Thompson (CA-04) announced that Isabella Macias, a sophomore at American Canyon High School, was chosen as California’s Fourth District winner of the 2025 Congressional Art Competition. Analise Bittle from Rio Vista High School was named as the Solano County finalist.
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