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Counties: Lake County / Napa County / Solano County / Sonoma County / Yolo County

4th Congressional District (2022)

Representative: Mike Thompson (Democrat)
These maps were put into place during the 2022 redistricting but are no longer in effect starting with the 2026 election cycle, due to the passage of Proposition 50. View 2026 4th Congressional District.
Counties: Lake County / Napa County / Solano County / Sonoma County / Yolo County

4th Congressional District (2022)

Representative: Mike Thompson (Democrat)
These maps were put into place during the 2022 redistricting but are no longer in effect starting with the 2026 election cycle, due to the passage of Proposition 50. View 2026 4th Congressional District.
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How to read these tables:
  • % of 4th Congressional District (2022): what portion of 4th Congressional District (2022)’s population is in each overlapping jurisdiction/district
  • % of District: what portion of a jurisdiction/district's population is in 4th Congressional District (2022)

Name % of 4th Congressional District (2022) % of District
Lake County ~XXX ~XXX
Napa County ~XXX ~XXX
Solano County ~XXX ~XXX
Sonoma County ~XXX ~XXX
Yolo County ~XXX ~XXX

Name % of 4th Congressional District (2022) % of District
City of American Canyon ~XXX ~XXX
City of Calistoga ~XXX ~XXX
City of Clearlake ~XXX ~XXX
City of Cotati ~XXX ~XXX
City of Davis ~XXX ~XXX
City of Davis - District 1 ~XXX ~XXX
City of Davis - District 2 ~XXX ~XXX
City of Davis - District 3 ~XXX ~XXX
City of Davis - District 4 ~XXX ~XXX
City of Davis - District 5 ~XXX ~XXX
City of Dixon ~XXX ~XXX
City of Dixon - District 1 ~XXX ~XXX
City of Dixon - District 2 ~XXX ~XXX
City of Dixon - District 3 ~XXX ~XXX
City of Dixon - District 4 ~XXX ~XXX
City of Lakeport ~XXX ~XXX
City of Napa ~XXX ~XXX
City of Napa - District 1 ~XXX ~XXX
City of Napa - District 2 ~XXX ~XXX
City of Napa - District 3 ~XXX ~XXX
City of Napa - District 4 ~XXX ~XXX
City of Rio Vista ~XXX ~XXX
City of Rohnert Park ~XXX ~XXX
City of Rohnert Park - District 1 ~XXX ~XXX
City of Rohnert Park - District 2 ~XXX ~XXX
City of Rohnert Park - District 3 ~XXX ~XXX
City of Rohnert Park - District 4 ~XXX ~XXX
City of Rohnert Park - District 5 ~XXX ~XXX
City of Santa Rosa ~XXX ~XXX
City of Santa Rosa - District 1 ~XXX ~XXX
City of Santa Rosa - District 2 ~XXX ~XXX
City of Santa Rosa - District 3 ~XXX ~XXX
City of Santa Rosa - District 4 ~XXX ~XXX
City of Santa Rosa - District 5 ~XXX ~XXX
City of Santa Rosa - District 7 ~XXX ~XXX
City of Sonoma ~XXX ~XXX
City of St. Helena ~XXX ~XXX
City of Vacaville ~XXX ~XXX
City of Vacaville - District 1 ~XXX ~XXX
City of Vacaville - District 2 ~XXX ~XXX
City of Vacaville - District 3 ~XXX ~XXX
City of Vacaville - District 4 ~XXX ~XXX
City of Vacaville - District 5 ~XXX ~XXX
City of Vacaville - District 6 ~XXX ~XXX
City of Winters ~XXX ~XXX
City of Woodland ~XXX ~XXX
City of Woodland - District 1 ~XXX ~XXX
City of Woodland - District 2 ~XXX ~XXX
City of Woodland - District 3 ~XXX ~XXX
City of Woodland - District 4 ~XXX ~XXX
City of Woodland - District 5 ~XXX ~XXX
City of Yountville ~XXX ~XXX

District % of 4th Congressional District (2022) % of District
11th Assembly District ~XXX ~XXX
12th Assembly District ~XXX ~XXX
2nd Assembly District ~XXX ~XXX
4th Assembly District ~XXX ~XXX

District % of 4th Congressional District (2022) % of District
2nd State Senate District ~XXX ~XXX
3rd State Senate District ~XXX ~XXX

District % of 4th Congressional District (2022) % of District
1st Congressional District (2026) ~XXX ~XXX
4th Congressional District (2026) ~XXX ~XXX
8th Congressional District (2026) ~XXX ~XXX

District % of 4th Congressional District (2022) % of District
1st Board of Equalization District ~XXX ~XXX
2nd Board of Equalization District ~XXX ~XXX

District % of 4th Congressional District (2022) % of District
Bellevue Union ~XXX ~XXX
Bennett Valley Union Elementary ~XXX ~XXX
Calistoga Joint Unified ~XXX ~XXX
Cotati-Rohnert Park Unified ~XXX ~XXX
Cotati-Rohnert Park Unified - District 1 ~XXX ~XXX
Cotati-Rohnert Park Unified - District 2 ~XXX ~XXX
Cotati-Rohnert Park Unified - District 3 ~XXX ~XXX
Cotati-Rohnert Park Unified - District 4 ~XXX ~XXX
Cotati-Rohnert Park Unified - District 5 ~XXX ~XXX
Davis Joint Unified ~XXX ~XXX
Davis Joint Unified - District 1 ~XXX ~XXX
Davis Joint Unified - District 2 ~XXX ~XXX
Davis Joint Unified - District 3 ~XXX ~XXX
Davis Joint Unified - District 4 ~XXX ~XXX
Davis Joint Unified - District 5 ~XXX ~XXX
Dixon Unified ~XXX ~XXX
Dunham Elementary ~XXX ~XXX
Esparto Unified ~XXX ~XXX
Esparto Unified - District 1 ~XXX ~XXX
Esparto Unified - District 2 ~XXX ~XXX
Esparto Unified - District 3 ~XXX ~XXX
Esparto Unified - District 4 ~XXX ~XXX
Esparto Unified - District 5 ~XXX ~XXX
Gravenstein Union Elementary ~XXX ~XXX
Howell Mountain Elementary ~XXX ~XXX
Kelseyville Unified ~XXX ~XXX
Kenwood ~XXX ~XXX
Konocti Unified ~XXX ~XXX
Lakeport Unified ~XXX ~XXX
Liberty Elementary ~XXX ~XXX
Lucerne Elementary ~XXX ~XXX
Mark West Union Elementary ~XXX ~XXX
Middletown Unified ~XXX ~XXX
Napa Valley Unified ~XXX ~XXX
Napa Valley Unified - District 1 ~XXX ~XXX
Napa Valley Unified - District 2 ~XXX ~XXX
Napa Valley Unified - District 3 ~XXX ~XXX
Napa Valley Unified - District 4 ~XXX ~XXX
Napa Valley Unified - District 5 ~XXX ~XXX
Napa Valley Unified - District 6 ~XXX ~XXX
Napa Valley Unified - District 7 ~XXX ~XXX
Old Adobe Union ~XXX ~XXX
Petaluma City Elementary ~XXX ~XXX
Petaluma Joint Union High ~XXX ~XXX
Petaluma Joint Union High - District 1 ~XXX ~XXX
Petaluma Joint Union High - District 3 ~XXX ~XXX
Petaluma Joint Union High - District 5 ~XXX ~XXX
Pierce Joint Unified ~XXX ~XXX
Pope Valley Union Elementary ~XXX ~XXX
Rincon Valley Union Elementary ~XXX ~XXX
Rincon Valley Union Elementary - District 1 ~XXX ~XXX
Rincon Valley Union Elementary - District 2 ~XXX ~XXX
Rincon Valley Union Elementary - District 3 ~XXX ~XXX
Rincon Valley Union Elementary - District 4 ~XXX ~XXX
Rincon Valley Union Elementary - District 5 ~XXX ~XXX
River Delta Joint Unified ~XXX ~XXX
River Delta Joint Unified - District 1 ~XXX ~XXX
River Delta Joint Unified - District 3 ~XXX ~XXX
River Delta Joint Unified - District 4 ~XXX ~XXX
River Delta Joint Unified - District 5 ~XXX ~XXX
River Delta Joint Unified - District 6 ~XXX ~XXX
River Delta Joint Unified - District 7 ~XXX ~XXX
Roseland ~XXX ~XXX
Saint Helena Unified ~XXX ~XXX
Santa Rosa Elementary ~XXX ~XXX
Santa Rosa High ~XXX ~XXX
Santa Rosa High - District 1 ~XXX ~XXX
Santa Rosa High - District 2 ~XXX ~XXX
Santa Rosa High - District 3 ~XXX ~XXX
Santa Rosa High - District 4 ~XXX ~XXX
Santa Rosa High - District 5 ~XXX ~XXX
Santa Rosa High - District 6 ~XXX ~XXX
Santa Rosa High - District 7 ~XXX ~XXX
Sonoma Valley Unified ~XXX ~XXX
Sonoma Valley Unified - District 1 ~XXX ~XXX
Sonoma Valley Unified - District 2 ~XXX ~XXX
Sonoma Valley Unified - District 3 ~XXX ~XXX
Sonoma Valley Unified - District 4 ~XXX ~XXX
Sonoma Valley Unified - District 5 ~XXX ~XXX
Travis Unified ~XXX ~XXX
Travis Unified - District 2 ~XXX ~XXX
Upper Lake Unified ~XXX ~XXX
Vacaville Unified ~XXX ~XXX
Vacaville Unified - District 1 ~XXX ~XXX
Vacaville Unified - District 2 ~XXX ~XXX
Vacaville Unified - District 3 ~XXX ~XXX
Vacaville Unified - District 4 ~XXX ~XXX
Vacaville Unified - District 5 ~XXX ~XXX
Vacaville Unified - District 6 ~XXX ~XXX
Vacaville Unified - District 7 ~XXX ~XXX
Waugh Elementary ~XXX ~XXX
Winters Joint Unified ~XXX ~XXX
Winters Joint Unified - District 1 ~XXX ~XXX
Winters Joint Unified - District 2 ~XXX ~XXX
Winters Joint Unified - District 3 ~XXX ~XXX
Winters Joint Unified - District 4 ~XXX ~XXX
Winters Joint Unified - District 5 ~XXX ~XXX
Woodland Joint Unified ~XXX ~XXX
Woodland Joint Unified - District 1 ~XXX ~XXX
Woodland Joint Unified - District 2 ~XXX ~XXX
Woodland Joint Unified - District 3 ~XXX ~XXX
Woodland Joint Unified - District 4 ~XXX ~XXX
Woodland Joint Unified - District 5 ~XXX ~XXX
Woodland Joint Unified - District 6 ~XXX ~XXX
Woodland Joint Unified - District 7 ~XXX ~XXX
Wright Elementary ~XXX ~XXX

District % of 4th Congressional District (2022) % of District
Lake County Board of Education ~XXX ~XXX
Lake County Board of Education - District 1 ~XXX ~XXX
Lake County Board of Education - District 2 ~XXX ~XXX
Lake County Board of Education - District 3 ~XXX ~XXX
Lake County Board of Education - District 4 ~XXX ~XXX
Lake County Board of Education - District 5 ~XXX ~XXX
Napa County Board of Education ~XXX ~XXX
Napa County Board of Education - District 1 ~XXX ~XXX
Napa County Board of Education - District 2 ~XXX ~XXX
Napa County Board of Education - District 3 ~XXX ~XXX
Napa County Board of Education - District 4 ~XXX ~XXX
Napa County Board of Education - District 5 ~XXX ~XXX
Napa County Board of Education - District 6 ~XXX ~XXX
Napa County Board of Education - District 7 ~XXX ~XXX
Solano County Board of Education ~XXX ~XXX
Solano County Board of Education - District 1 ~XXX ~XXX
Solano County Board of Education - District 2 ~XXX ~XXX
Solano County Board of Education - District 3 ~XXX ~XXX
Solano County Board of Education - District 6 ~XXX ~XXX
Sonoma County Board of Education ~XXX ~XXX
Sonoma County Board of Education - District 1 ~XXX ~XXX
Sonoma County Board of Education - District 2 ~XXX ~XXX
Sonoma County Board of Education - District 3 ~XXX ~XXX
Sonoma County Board of Education - District 4 ~XXX ~XXX
Sonoma County Board of Education - District 5 ~XXX ~XXX
Yolo County Board of Education ~XXX ~XXX
Yolo County Board of Education - District 2 ~XXX ~XXX
Yolo County Board of Education - District 3 ~XXX ~XXX
Yolo County Board of Education - District 4 ~XXX ~XXX
Yolo County Board of Education - District 5 ~XXX ~XXX