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

Missouri: sources, checks and caveats

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⚠ 2026 data caveat: Missouri's own 2026 results feed is slightly lower than the national aggregate (−550 D, −1,080 R). The difference isn't explained yet; the national figures use the aggregate.

File: MO.csv, 115 rows: 114 counties plus St. Louis City (FIPS 29510). St. Louis County is 29189. Columns: d = Democratic, r = Republican, o = all other U.S. House votes (Libertarian and write-ins). Each county's votes are summed over every congressional district that includes part of it.

Sources

Kansas City

Both the 2022 PDF and the 2026 ENR list "Kansas City" as a separate reporting jurisdiction: the Kansas City Board of Election Commissioners. It covers only the part of Kansas City that lies in Jackson County. The parts of Kansas City in Clay, Platte and Cass counties are reported by those counties' own election authorities. - In both years, the Kansas City row appears only in the CD5 table. - It was added to Jackson County (29095). - 2022: KC contributed D 67,626 / R 16,609 / other 1,746. - 2026: KC contributed D 82,484 / R 13,434 / other 1,761. - Clay and Platte rows were left as reported.

2026 as-of

The ENR header read "Unofficial Results as of 11/9/2026 8:32:56 PM" when the county tables were pulled, and "8:33:48 PM" on a re-check a minute later. That is Missouri local time, presumably Central (9:32–9:33 pm ET). All eight races showed all precincts reported, e.g. "656 of 656 Precincts Reported" for CD1. Each district's county-table sum equals the race summary on the same page.

Validation (sum of county rows vs statewide totals)

Year Column Our sum Reference Diff
2022 D 794,978 794,978 (FEC) 0
2022 R 1,223,617 1,223,617 0
2022 Other 41,494 41,494 0
2026 D 1,008,238 1,008,788 (Nov 9 6:10 pm ET aggregate) −550
2026 R 1,022,982 1,024,062 −1,080
2026 Other 60,230 (not reported) —

2022 matches exactly. Every PDF row was checked against its row total, and every district's column sums against the PDF's district Total row.

The 2026 gap is between the national aggregate and the Missouri SOS feed itself. The SOS race summaries for CD1–CD8 add up to exactly our numbers: D 1,008,238 and R 1,022,982. The SOS feed was still lower than the national aggregate even at its 8:32 pm update. The aggregate probably includes county-reported votes, such as additional absentee or provisional ballots, that had not yet been posted to the SOS ENR. We did not find a missing district or county: 8 of 8 districts were pulled, and all 116 reporting jurisdictions are present.

District totals (D / R / other): - 2022: - CD1 160,999 / 53,767 / 6,192 - CD2 135,895 / 173,277 / 6,494 - CD3 96,851 / 180,746 / 0 (one write-in candidate with 0 votes) - CD4 67,069 / 181,890 / 6,120 - CD5 140,688 / 84,008 / 5,859 - CD6 72,253 / 184,865 / 5,774 - CD7 67,485 / 178,592 / 5,870 - CD8 53,738 / 186,472 / 5,185 - 2026: - CD1 189,175 / 32,308 / 10,613 - CD2 169,477 / 153,132 / 8,782 - CD3 125,271 / 149,239 / 7,729 - CD4 89,182 / 154,236 / 7,530 - CD5 179,256 / 72,572 / 6,128 - CD6 100,416 / 151,219 / 6,189 - CD7 89,710 / 157,599 / 6,263 - CD8 65,751 / 152,677 / 6,996

Districts without a D or R candidate

Caveats

Kansas City remains whole in CD5, and Cleaver (D) carries CD5 179,256–72,572. This fits the brief's note that Missouri used its 2022 map in 2026 after court fights; the 2025 mid-decade map is not what these results reflect. - 2026 counts are unofficial and will change during canvass and certification. - o includes Libertarian and write-in votes. 2026 other = 59,636 LIB + 594 write-in.

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