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Katie Marriner on Muck Rack

Katie Marriner

(She/Her)
New York
As seen in: MSN, The Wall Street Journal, The Washington Post, Yahoo Canada, Yahoo News Malaysia, Yahoo News New Zealand, Yahoo News UK, ABC News, Aol, MarketWatch and
Elections Data Visualization Developer @AP and Head of Engineering @50plus1news Previously @FiveThirtyEight @MarketWatch @WSJ. Tar Heel.

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Articles

How 50+1 designed our 2026 election forecast page

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By Katie Marriner
| Substack
FiftyPlusOne is aggregating polls and calculating polling averages and election forecasts for nearly every major statewide and federal election this cycle. Subscribe so you don’t miss out: How to best visualize probability and uncertainty is an undertaking that, well, involves a lot of uncertainty itself. Here at 50+1, we primarily want to make sure our graphics efficiently communicate to readers what the data can — and cannot — tell us about upcoming elections.
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By Maya Sweedler Verified, Humera Lodhi, Hyojin Yoo, Hannah Recht, Katie Marriner, Simran Parwani, Eunice Esomonu
| Airdrie City View Verified
WASHINGTON (AP) — After voters swung toward Republican Donald Trump during last fall’s presidential election, states like Virginia and New Jersey swung back towards Democratic candidates at nearly the same velocity as 2024’s shift, an Associated Press analysis of election data from this week found. From populous suburbs to big cities to military-heavy counties, this year’s electorate moved decisively towards the Democratic Party.
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Takeaways from the 2025 general election, in charts

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By Maya Sweedler Verified, Humera Lodhi, Hyojin Yoo, Hannah Recht, Katie Marriner, Simran Parwani, Eunice Esomonu
| The Daily Progress Verified
WASHINGTON (AP) — After voters swung toward Republican Donald Trump during last fall’s presidential election, states like Virginia and New Jersey swung back towards Democratic candidates at nearly the same velocity as 2024’s shift, an Associated Press analysis of election data from this week found.
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