Akashic EdgeAKASHIC EDGE
ElectionsCandidates
HistorianCartographer2026 ForecastArticlesAPIPricing

Latest Articles

    View all articles →

    Browse by Category

      Data Tools

      • Elections
      • Candidates
      • The Historian
      • The Cartographer
      • American Nations
      • States & Counties
      • Congressional Districts

      About

      Akashic HQ provides deep political data analysis covering 165 years of U.S. elections.

      • Data Sources & Methodology
      • Pricing
      • API Documentation
      • Contact

      © 2026 Akashic HQ. All rights reserved.

      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2006/US Senate/California
      2006·US Senate·California

      California US Senate

      Winner
      DEM
      Dianne Feinstein
      59.4%5,076,289 votes
      Runner-up
      REP
      Richard Moutjoy
      35.0%2,990,822 votes
      Margin
      D+24.4
      8,541,476 total votes
      3 candidates8,541,476 total votes
      CandidatePartyVotes ▼%Vote Share
      Dianne FeinsteinDEM✓
      		DEM5,076,28959.4%
      Richard MoutjoyREP
      		REP2,990,82235.0%
      OtherOTH
      		OTH474,3655.5%

      Seat History

      US Senate in California(Class II)

      2024
      Adam B SchiffDEM
      D+17.8
      2022
      Alex PadillaDEM
      D+22.1
      2018(JP)
      Dianne FeinsteinDEM
      ---
      2016(JP)
      Kamala HarrisDEM
      ---
      2012
      Dianne FeinsteinDEM
      D+25.1
      2010
      Barbara BoxerDEM
      D+10.0
      2004
      Barbara BoxerDEM
      D+19.9
      2000
      Dianne FeinsteinDEM
      D+19.3
      1998
      Barbara BoxerDEM
      D+10.1
      1994
      Dianne FeinsteinDEM
      D+1.9
      1992(S)
      Dianne FeinsteinDEM
      D+16.3
      1992
      Barbara BoxerDEM
      D+4.9
      1988
      Pete WilsonREP
      R+8.8
      1986
      Alan CranstonDEM
      D+1.4
      View all US Senate history for California →

      Candidates

      Dianne FeinsteinDEM
      Record6W-1L
      Avg MarginD+26.2
      Career1990-2018
      US Senate / Governor
      Full profile →
      Richard MoutjoyREP
      Record0W-1L
      Avg MarginD+24.4
      Career2006-2006
      US Senate
      Full profile →

      Also in California, 2006

      US House53 contests →Governor1 contest →
      ← All 2006 US Senate races2006 overviewCalifornia profileAll elections