Data
Everything behind this site is downloadable. Updated Oct 21, 2026.
Downloads
- questions.csv: every poll question we collected, one row each, including versions we didn't use for analysis (see
is_preferredandexclusion). - pollsters.csv: the pollster registry.
- races.csv: races and their main matchups.
License: CC BY-SA 4.0. Please credit PurpleData, VoteHub and Wikipedia contributors, and the original pollsters.
Columns in questions.csv
poll_id | Stable id for a poll (pollster, race, field dates) |
race_id | cycle-OFFICE-STATE-STAGE, e.g. 2026-SEN-MI-G |
answers | Every answer option with its percentage, and the party where known |
margin, margin_def | The margin we analyze and how it's defined |
is_preferred | Whether this question is the one used for analysis |
partisan | D / R when the poll was partisan-sponsored or an internal |
primary_url | The pollster's own release |
sources | Which of our sources reported this poll |
Coverage by source
| Source | Office | Questions | Newest poll |
|---|---|---|---|
| emerson | APPR | 19 | Sep 22, 2026 |
| emerson | GB | 14 | Sep 22, 2026 |
| votehub | APPR | 1021 | Oct 6, 2026 |
| votehub | GB | 541 | Oct 4, 2026 |
| votehub | GOV | 456 | Oct 19, 2026 |
| votehub | SEN | 488 | Oct 19, 2026 |
| wikipedia | APPR | 147 | Oct 19, 2026 |
| wikipedia | GOV | 917 | Oct 20, 2026 |
| wikipedia | SEN | 870 | Oct 20, 2026 |