Sonoma County · 2026 General Likely Voters
Pick a jurisdiction — countywide first, then every political geography · universe as of 2026-08-25 · not election results
Sonoma County — Countywide
169,011 voted in the 2026 Primary · 250,240 likely General Election voters
+48.1% more likely voters than 26P turnout
Congressional Districts · 3
Congressional District 1
full district · spans 6 counties
+53.9% more likely voters than 26P turnout · D+15.5 → D+14.4
Congressional District 4
full district · spans 8 counties
+56.9% more likely voters than 26P turnout · D+17.7 → D+16.6
Congressional District 2
full district · spans 6 counties
+45.6% more likely voters than 26P turnout · D+24.1 → D+20.3
State Senate Districts · 2
State Assembly Districts · 3
Assembly District 2
full district · spans 2 counties
+47.8% more likely voters than 26P turnout · D+39.3 → D+36.2
Assembly District 12
full district · spans 2 counties
+44.1% more likely voters than 26P turnout · D+49.0 → D+46.1
Assembly District 4
full district · spans 5 counties
+55.0% more likely voters than 26P turnout · D+28.0 → D+26.1
Supervisorial Districts · 5
Supervisorial District 1
+41.2% more likely voters than 26P turnout · D+44.3 → D+41.1
Supervisorial District 5
+45.8% more likely voters than 26P turnout · D+48.3 → D+44.4
Supervisorial District 4
+46.2% more likely voters than 26P turnout · D+35.8 → D+33.2
Supervisorial District 2
+46.2% more likely voters than 26P turnout · D+40.5 → D+37.9
Supervisorial District 3
+67.6% more likely voters than 26P turnout · D+43.9 → D+40.9
Cities · 10
City of Santa Rosa
+54.3% more likely voters than 26P turnout · D+45.9 → D+42.5
Unincorporated
+42.4% more likely voters than 26P turnout · D+39.4 → D+36.7
City of Petaluma
+43.9% more likely voters than 26P turnout · D+46.8 → D+43.8
City of Rohnert Park
+62.4% more likely voters than 26P turnout · D+36.5 → D+33.5
City of Windsor
+49.9% more likely voters than 26P turnout · D+28.7 → D+27.4
City of Sonoma
+39.2% more likely voters than 26P turnout · D+48.9 → D+44.5
City of Healdsburg
+38.3% more likely voters than 26P turnout · D+51.5 → D+48.3
City of Sebastopol
+32.6% more likely voters than 26P turnout · D+63.3 → D+60.4
City of Cloverdale
+43.0% more likely voters than 26P turnout · D+29.2 → D+26.7
City of Cotati
+46.5% more likely voters than 26P turnout · D+44.3 → D+39.4
City Council Districts · 32
Santa Rosa Council District 4
+42.4% more likely voters than 26P turnout · D+49.1 → D+45.0
Santa Rosa Council District 2
+48.0% more likely voters than 26P turnout · D+47.5 → D+44.2
Santa Rosa Council District 3
+40.0% more likely voters than 26P turnout · D+43.6 → D+40.6
Santa Rosa Council District 6
+59.5% more likely voters than 26P turnout · D+37.7 → D+35.0
Santa Rosa Council District 7
+64.6% more likely voters than 26P turnout · D+43.6 → D+40.5
Santa Rosa Council District 5
+69.7% more likely voters than 26P turnout · D+54.0 → D+49.0
Santa Rosa Council District 1
+91.9% more likely voters than 26P turnout · D+48.1 → D+45.0
Petaluma Council District 5
+37.1% more likely voters than 26P turnout · D+54.8 → D+51.7
Petaluma Council District 1
+48.6% more likely voters than 26P turnout · D+46.2 → D+42.9
Petaluma Council District 6
+37.3% more likely voters than 26P turnout · D+58.0 → D+54.0
Rohnert Park Council District 4
+56.5% more likely voters than 26P turnout · D+33.2 → D+30.5
Rohnert Park Council District 2
+60.1% more likely voters than 26P turnout · D+31.5 → D+29.4
Rohnert Park Council District 3
+61.0% more likely voters than 26P turnout · D+42.7 → D+39.5
Petaluma Council District 4
+46.6% more likely voters than 26P turnout · D+38.7 → D+37.1
Petaluma Council District 3
+55.4% more likely voters than 26P turnout · D+42.0 → D+39.5
Windsor Council District 2
+42.6% more likely voters than 26P turnout · D+24.1 → D+23.2
Petaluma Council District 2
+42.6% more likely voters than 26P turnout · D+34.1 → D+33.2
Rohnert Park Council District 5
+65.0% more likely voters than 26P turnout · D+36.1 → D+32.5
Windsor Council District 3
+51.2% more likely voters than 26P turnout · D+28.0 → D+26.4
Rohnert Park Council District 1
+74.7% more likely voters than 26P turnout · D+40.4 → D+36.8
Windsor Council District 4
+50.7% more likely voters than 26P turnout · D+27.6 → D+26.6
Windsor Council District 1
+58.0% more likely voters than 26P turnout · D+37.2 → D+34.7
Healdsburg Council District 5
+30.4% more likely voters than 26P turnout · D+52.0 → D+47.8
Healdsburg Council District 2
+33.4% more likely voters than 26P turnout · D+51.9 → D+49.0
Sonoma Council District 3
+35.3% more likely voters than 26P turnout · D+43.2 → D+38.6
Sonoma Council District 4
+35.3% more likely voters than 26P turnout · D+55.2 → D+50.4
Sonoma Council District 5
+49.3% more likely voters than 26P turnout · D+50.6 → D+44.2
Sonoma Council District 1
+33.8% more likely voters than 26P turnout · D+48.6 → D+44.8
Sonoma Council District 2
+43.5% more likely voters than 26P turnout · D+47.3 → D+44.8
Healdsburg Council District 4
+40.3% more likely voters than 26P turnout · D+48.3 → D+45.7
Healdsburg Council District 3
+39.5% more likely voters than 26P turnout · D+55.2 → D+52.6
Healdsburg Council District 1
+60.4% more likely voters than 26P turnout · D+48.6 → D+45.6
Community College Districts · 8
Sonoma County Community College District Trustee Area 7
+41.9% more likely voters than 26P turnout · D+47.2 → D+43.4
Sonoma County Community College District Trustee Area 5
+44.2% more likely voters than 26P turnout · D+45.2 → D+41.9
Sonoma County Community College District Trustee Area 2
+43.2% more likely voters than 26P turnout · D+42.1 → D+39.7
Sonoma County Community College District Trustee Area 1
+42.7% more likely voters than 26P turnout · D+44.6 → D+41.3
Sonoma County Community College District Trustee Area 6
+45.1% more likely voters than 26P turnout · D+34.0 → D+31.7
Sonoma County Community College District Trustee Area 3
+62.4% more likely voters than 26P turnout · D+36.6 → D+33.9
Sonoma County Community College District Trustee Area 4
+70.8% more likely voters than 26P turnout · D+46.8 → D+43.4
Napa Valley Community College District Trustee Area 7
+42.8% more likely voters than 26P turnout · D+27.7 → D+27.8
Unified School Districts · 16
Windsor Unified School District
+50.1% more likely voters than 26P turnout · D+27.9 → D+26.5
Healdsburg Unified School District
+38.3% more likely voters than 26P turnout · D+44.6 → D+42.3
Cotati-Rohnert Park Unified School District Trustee Area 1
+56.2% more likely voters than 26P turnout · D+32.5 → D+29.5
Cotati-Rohnert Park Unified School District Trustee Area 5
+63.5% more likely voters than 26P turnout · D+35.4 → D+32.4
Cotati-Rohnert Park Unified School District Trustee Area 4
+46.9% more likely voters than 26P turnout · D+40.0 → D+36.2
Cloverdale Unified School District
+42.0% more likely voters than 26P turnout · D+27.6 → D+25.3
Sonoma Valley Unified School District Trustee Area 5
+35.8% more likely voters than 26P turnout · D+40.9 → D+37.0
Sonoma Valley Unified School District Trustee Area 4
+35.1% more likely voters than 26P turnout · D+49.7 → D+45.6
Cotati-Rohnert Park Unified School District Trustee Area 3
+69.0% more likely voters than 26P turnout · D+39.0 → D+36.2
Cotati-Rohnert Park Unified School District Trustee Area 2
+67.6% more likely voters than 26P turnout · D+39.4 → D+36.1
Sonoma Valley Unified School District Trustee Area 1
+40.5% more likely voters than 26P turnout · D+46.3 → D+43.7
Sonoma Valley Unified School District Trustee Area 3
+51.0% more likely voters than 26P turnout · D+45.0 → D+42.0
Sonoma Valley Unified School District Trustee Area 2
+53.1% more likely voters than 26P turnout · D+54.9 → D+51.6
Shoreline Joint Unified School District Trustee Area 3
+32.9% more likely voters than 26P turnout · D+41.4 → D+36.2
Geyserville Unified School District
+42.3% more likely voters than 26P turnout · D+34.9 → D+31.1
Calistoga Joint Unified School District
+42.8% more likely voters than 26P turnout · D+27.7 → D+27.8
High School Districts · 19
Santa Rosa High School District Trustee Area 3
+46.0% more likely voters than 26P turnout · D+42.5 → D+38.9
Santa Rosa High School District Trustee Area 5
+37.1% more likely voters than 26P turnout · D+45.8 → D+42.8
Santa Rosa High School District Trustee Area 7
+46.6% more likely voters than 26P turnout · D+36.9 → D+34.6
Santa Rosa High School District Trustee Area 2
+57.5% more likely voters than 26P turnout · D+38.0 → D+35.5
Santa Rosa High School District Trustee Area 1
+60.8% more likely voters than 26P turnout · D+53.5 → D+48.5
Santa Rosa High School District Trustee Area 6
+80.6% more likely voters than 26P turnout · D+40.4 → D+39.0
Santa Rosa High School District Trustee Area 4
+70.9% more likely voters than 26P turnout · D+45.6 → D+43.3
Petaluma Joint Union High School District Trustee Area 5
+41.6% more likely voters than 26P turnout · D+32.8 → D+31.2
Healdsburg Elementary School District
+39.0% more likely voters than 26P turnout · D+46.4 → D+43.6
Petaluma Joint Union High School District Trustee Area 4
+37.8% more likely voters than 26P turnout · D+50.3 → D+47.3
Petaluma Joint Union High School District Trustee Area 2
+53.0% more likely voters than 26P turnout · D+43.5 → D+40.6
Petaluma Joint Union High School District Trustee Area 3
+43.8% more likely voters than 26P turnout · D+49.4 → D+45.9
Petaluma Joint Union High School District Trustee Area 1
+42.3% more likely voters than 26P turnout · D+32.0 → D+30.7
West Sonoma County Union High School District Trustee Area 2
+35.5% more likely voters than 26P turnout · D+54.2 → D+51.3
West Sonoma County Union High School District Trustee Area 3
+36.5% more likely voters than 26P turnout · D+49.0 → D+45.5
West Sonoma County Union High School District Trustee Area 5
+33.8% more likely voters than 26P turnout · D+54.4 → D+51.3
West Sonoma County Union High School District Trustee Area 4
+40.9% more likely voters than 26P turnout · D+51.6 → D+46.6
West Sonoma County Union High School District Trustee Area 1
+44.6% more likely voters than 26P turnout · D+56.1 → D+50.8
Point Arena Joint Union High School District
+27.4% more likely voters than 26P turnout · D+52.8 → D+49.8
Elementary School Districts · 35
Santa Rosa Elementary School District
+54.9% more likely voters than 26P turnout · D+51.0 → D+46.6
Petaluma City Elementary School District
+40.1% more likely voters than 26P turnout · D+49.7 → D+46.2
Old Adobe Union School District
+48.1% more likely voters than 26P turnout · D+38.1 → D+36.3
Bellevue Union Elementary School District
+86.2% more likely voters than 26P turnout · D+36.5 → D+37.1
Piner Olivet Union Elementary School District
+53.1% more likely voters than 26P turnout · D+33.0 → D+30.8
Sebastopol Union Elementary School District
+33.5% more likely voters than 26P turnout · D+58.5 → D+55.1
Mark West Union Elementary School District
+49.5% more likely voters than 26P turnout · D+29.2 → D+27.8
Wright Elementary School District
+65.8% more likely voters than 26P turnout · D+40.9 → D+38.6
Bennett Valley Union Elementary School District
+38.5% more likely voters than 26P turnout · D+43.0 → D+39.9
Rincon Valley Union School District Trustee Area 2
+42.0% more likely voters than 26P turnout · D+45.0 → D+42.4
Rincon Valley Union School District Trustee Area 5
+33.2% more likely voters than 26P turnout · D+33.7 → D+31.5
Rincon Valley Union School District Trustee Area 3
+48.7% more likely voters than 26P turnout · D+42.8 → D+38.6
Rincon Valley Union School District Trustee Area 4
+48.0% more likely voters than 26P turnout · D+40.2 → D+38.7
Forestville Union Elementary School District
+41.3% more likely voters than 26P turnout · D+51.1 → D+46.4
Rincon Valley Union School District Trustee Area 1
+43.8% more likely voters than 26P turnout · D+48.6 → D+45.6
Twin Hills Union Elementary School District
+34.5% more likely voters than 26P turnout · D+53.0 → D+50.3
Roseland Elementary School District
+87.1% more likely voters than 26P turnout · D+49.5 → D+45.0
Gravenstein Union Elementary School District
+38.5% more likely voters than 26P turnout · D+44.4 → D+41.1
Harmony Union Elementary School District
+35.9% more likely voters than 26P turnout · D+55.6 → D+52.2
Guerneville Elementary School District
+48.6% more likely voters than 26P turnout · D+59.4 → D+53.9
Waugh Elementary School District
+47.8% more likely voters than 26P turnout · D+36.3 → D+35.5
Oak Grove Union Elementary School District
+41.2% more likely voters than 26P turnout · D+41.3 → D+37.4
Kenwood Elementary School District
+20.6% more likely voters than 26P turnout · D+47.3 → D+43.6
Wilmar Union Elementary School District
+42.6% more likely voters than 26P turnout · D+26.1 → D+25.6
Cinnabar Elementary School District
+40.5% more likely voters than 26P turnout · D+40.8 → D+38.3
Liberty Elementary School District
+36.9% more likely voters than 26P turnout · D+15.9 → D+16.4
Monte Rio Union Elementary School District
+45.8% more likely voters than 26P turnout · D+59.0 → D+52.0
Horicon Elementary School District
+27.4% more likely voters than 26P turnout · D+52.8 → D+49.8
Montgomery Elementary School District
+40.1% more likely voters than 26P turnout · D+36.5 → D+32.3
West Side Union Elementary School District
+31.3% more likely voters than 26P turnout · D+38.7 → D+38.3
Dunham Elementary School District
+43.9% more likely voters than 26P turnout · D+30.4 → D+26.1
Alexander Valley Union Elementary School District
+34.5% more likely voters than 26P turnout · D+17.7 → D+20.8
Fort Ross Elementary School District
+24.1% more likely voters than 26P turnout · D+59.6 → D+55.3
Two Rock Union Elementary School District
+53.8% more likely voters than 26P turnout · D+1.6 → D+2.6
Laguna Joint Elementary School District
+27.5% more likely voters than 26P turnout · R+10.0 → R+7.8
Every card links to that jurisdiction's own page (shareable URL) with maps, composition tables, sub-geography breakdowns, and the AI summary. Congressional and legislative cards open the full cross-county district.