Odds assume 2024 will look similar to 2008-2020 in terms of error distribution in EG poll averages. This reflects CURRENT polling ONLY, not how things may change before the election! All of the below will almost certainly be dramatically different by then!

Election Graphs tracks state by state poll averages to estimate Electoral College results, and tracks estimates of the primary delegate races once they begin.

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The poll average generally uses the last 5 polls (by middate).

If there is tie for the middate of the oldest poll to be included, all polls with that middate are included.

If the result is exactly on the border between categories (0%, 5% or 10% margin) older polls are pulled in one by one until the result is clearly within a category.

When there are not enough actual polls for the poll average, results from prior presidential elections are used to fill in the average.

If a pollster releases multiple results based on the same sample they are weighted so collectively they count as "1 poll".

On state detail pages this is noted by an [N], shading in the listing, and a different color data point in the graph.

State win probabilities are calculated based on 2008-2020 data using the methodology in the January 2023 blog post titled "Prepping the Math Stuff for 2024".