Open data

Download the data

Everything on this site, as plain CSV and JSON, licensed CC BY 4.0. Cite "ElectionsUSA" with a link. Updated October 28, 2026.

FileWhat's in itSize
polls.csvOne row per poll per candidate: pollster, sponsor, fieldwork dates, sample size and population, percentage, source URL, notes.22 polls · 54 rows
markets.csvPrediction-market snapshots: date, platform, outcome, implied probability, source.63 rows
pollster-scorecard.csvThe pollster accuracy table as shown on the scorecard.

JSON API

Each average is also published as a JSON document with the current values, the full trend series and every underlying poll:

Files are static and cached at the CDN edge; there are no rate limits and no keys. Please set a descriptive User-Agent if you poll them automatically.

Embed

You may embed our SVG charts or reproduce tables with attribution and a link. A copy-paste embed widget is planned.

Schema

poll_id, race_id, pollster, sponsor, start_date, end_date, sample_size, population,
candidate, pct, source_url, source_type, notes, fetched_at

population is A (adults), RV (registered voters) or LV (likely voters). source_type is seed (entered by hand from a cited report), wikipedia (parsed from a compilation table that cites the pollster) or manual.