House and Senate race pages come from the existing 2026 FEC filing directory, not certified ballot lists. Governor pages cover all 39 scheduled state and territory contests. Candidate ballot qualification is established only by the linked election authority, independently of polling.

Recent means fieldwork ended in the last 30 days. Latest polls sorts by fieldwork end. Closest races sorts by the margin in a recent simple average, using each pollster’s latest general-election survey; missing averages go last. Matchups and surveyed populations stay separate. Each race page shows the included sources and the average rule.

VoteHub’s API does not currently include collection mode or reported margin of error. Those fields say “Not supplied in this feed,” with a link to the original report. We do not derive uncertainty from sample size alone. See AAPOR’s disclosure guidance ↗.

A scheduled job checks the structured VoteHub API hourly, validates each feed, and saves the last good data independently of page visits. Failed or unexpectedly truncated feeds do not replace those records. Coverage is not exhaustive; missing polls never mean zero support. Check feed health →

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