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Source notes · U.S. House by county, 2022 vs 2026

California: sources, checks and caveats

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⚠ 2026 data caveat: Still counting: California counts mail ballots for weeks after Election Day, so 2026 totals will keep rising.

File: CA.csv (58 counties). Columns: d = candidates whose ballot party preference is Democratic, r = Republican preference, o = all other U.S. House candidates (Green, No Party Preference). California's top-two general elections do not allow write-ins for these offices, so there are no write-in votes. Votes summed over every U.S. Representative district touching each county.

Sources

Validation (sum of county rows vs statewide totals)

Year Column Our sum Reference Diff
2022 D 6,743,737 6,822,766 (FEC) −79,029
2022 R 3,859,666 3,780,637 (FEC) +79,029
2022 Other 52,965 52,965 (FEC) 0
2026 D 7,482,538 7,089,396 (Nov 9 6:10 pm ET aggregate) +393,142
2026 R 3,147,369 3,023,215 +124,154
2026 Other 76,313 (not given) —

2022: total votes match FEC exactly (10,656,368). The offsetting ±79,029 is a single candidate: Douglas Brower (CA-2), 79,029 votes, whom FEC labels "D" but the SOS Statement of Vote lists with party preference Republican. We follow the SOS (the ballot designation). With Brower moved to D, our sums would equal FEC exactly.

2026: for every one of the 52 districts, the county rows sum exactly to the API's districtwide totals. The excess over the national aggregate is because our data (SOS update of Nov 9, 5:14 pm PT = 8:14 pm ET) is two hours newer than the 6:10 pm ET aggregate and includes the late-afternoon county uploads. California counts for weeks after Election Day (mail ballots postmarked by Election Day accepted for 7 days; counties have 30 days to certify), so a large number of ballots remain uncounted and the numbers will change substantially.

Districts with no D or no R candidate (top-two)

2022 - No R candidate: CA-10 (DeSaulnier D vs Kerr, Green — Kerr's 52,965 votes are all of CA's 2022 o); D vs D: CA-15 (Canepa vs Mullin), CA-16 (Eshoo vs Kumar), CA-29 (Cárdenas vs Dueñas), CA-30 (Schiff vs Pudlo), CA-34 (Gomez vs Kim), CA-37 (Kamlager vs Perry). In these, the county's R from that district is 0 and both candidates count as D. - No D candidate: none.

2026 - No R candidate: CA-6 (Pan, D vs Kiley, No Party Preference — Kiley's 76,313 votes are all of CA's 2026 o); D vs D: CA-4 (Thompson vs Jones), CA-7 (Matsui vs Vang), CA-11 (Wiener vs Chan), CA-12 (Simon vs Joyce), CA-14 (Wahab vs Hernandez), CA-29 (Rivas vs Dueñas), CA-34 (Gomez vs Gonzales-Torres), CA-37 (Kamlager-Dove vs Mota). - No D candidate: CA-40 (R vs R: Calvert vs Kim) — both count as R.

Caveats

These notes record where each number came from and how it was checked. 2026 figures are unofficial. See the methodology and disclaimer.