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

Wisconsin: sources, checks and caveats

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All 72 counties are included. Counties split across congressional districts are summed over every district.

Sources

2022 (certified): the Wisconsin Elections Commission canvass of the Nov 8, 2022 general election, ward-level. The file used is OpenElections' transcription of it: https://raw.githubusercontent.com/openelections/openelections-data-wi/master/2022/20221108__wi__general__ward.csv (office = "House"). The WEC Excel canvass file was not downloaded directly. The OpenElections file matches the certified statewide totals exactly (below).
2026 (unofficial): CNN election results county-level JSON, one file per district. CNN's data is labeled "ESS" (its election data service, not the state). Files: https://politics.api.cnn.io/results/county-races/2026-HG-WI-<1..8>.json (district totals: https://politics.api.cnn.io/results/race/2026-HG-WI-<n>.json). Every district shows 99% reporting. Vote timestamps are 2026-11-09 14:25:32–14:25:37 UTC (9:25 am ET), and the data was extracted at 2026-11-10 02:10 UTC (Nov 9, 9:10 pm ET). WEC does not publish election-night results.

Validation (sum of county rows)

	D	R	Other
2022 this file	1,012,955	1,403,080	115,289
2022 given	1,012,955	1,403,080	115,289
2026 this file	1,454,885	1,106,269	25,219*
2026 given	1,454,885	1,106,268	n/a

2022 matches exactly. 2026 matches D exactly; R is 1 vote higher than the comparison totals, which comes from the same feed at a slightly different time. County rows equal CNN's district totals for every district.

Districts with no D or no R candidate

2022: WI-6 had no Democrat. WI-8 had no Democrat on the ballot. Democratic write-in candidates Julie Hancock (3,160) and Robbie Hoffman (2,160), 5,320 votes in total, are counted in o22, not d22. This matches the FEC-certified basis of the comparison totals; counting them as D would give 1,018,275. Every district had a Republican.
2026: WI-2 had no Republican (Pocan was unopposed in CNN's data). Every district had a Democrat.

Caveats

*2026 o26 covers only the named minor candidates CNN reports:
WI-3: Kent and Provance (IND)
WI-4: Burks (IND)
WI-6: Fitzgibbon and Thurow (IND), Arndt (Green)

It leaves out scattering/write-in votes, which CNN does not report. o22 does include scattering (15,601 statewide in 2022), so o22 and o26 are not strictly comparable. Districts with no named minor candidate show o26 = 0, not blank. - 2026 is unofficial. County canvasses are still under way, and county clerk postings were not cross-checked.

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