Pollster.com

Pollster.com
Name	Pollster.com
Type	Opinion polling aggregator
Founded	2008
Founder	Nate Silver
Country	United States
Language	English

Pollster.com is an online opinion polling aggregation and analysis site that compiled polling data for political races, public opinion, and electoral forecasts. Founded in 2008, the site collected and visualized data from national and state-level surveys, presenting trendlines, averages, and interactive charts for journalists, researchers, and citizens. Its aggregation influenced coverage of the 2008 United States presidential election, 2012 United States presidential election, and subsequent electoral cycles, attracting attention from outlets such as The New York Times, The Washington Post, and Politico.

History

Launched in 2008 by a team including data-focused analysts, the site grew during the run-up to the 2008 United States presidential election and the 2010 United States midterm elections. In its early years it became part of a broader ecosystem alongside entities such as FiveThirtyEight, RealClearPolitics, and The Cook Political Report. During the 2012 cycle the platform’s charting and aggregation were cited by outlets including CNN, Fox News, MSNBC, and NPR. Over time it intersected with organizations like Pew Research Center, Gallup, Quinnipiac University, and Rasmussen Reports when compiling disparate survey results. The site’s evolution paralleled growth in digital political media exemplified by The Huffington Post, BuzzFeed, and Vox.

Services and Methodology

The site offered aggregated polling averages, trend visualizations, and breakdowns by demographic and geographic categories, synthesizing polls from firms such as YouGov, Ipsos, Marist College, Emerson College, and University of Michigan. Visualization tools resembled those used by analysts at FiveThirtyEight, The New York Times Upshot, and The Economist to display moving averages, confidence intervals, and weighted means. Methodologically, it combined published sample sizes and margins of error from pollsters like Gallup, Pew Research Center, SurveyMonkey, Monmouth University, and SSRS, and accounted for partisan lean adjustments similar to approaches by Cook Political Report and Sabato's Crystal Ball. The platform integrated national datasets and state-by-state surveys drawn from institutions such as Annenberg Public Policy Center, Harvard Kennedy School, Stanford University, and MIT. For electoral modeling it used inputs comparable to those used by teams at 538, Decision Desk HQ, and The New York Times.

Notable Polls and Impact

The site’s compilations were referenced during the 2008 United States presidential election and 2016 United States presidential election, and its charts were used by commentators at ABC News, CBS News, and Bloomberg News. Aggregated results for primary seasons—such as the 2016 Democratic Party presidential primaries and 2016 Republican Party presidential primaries—were compared against individual fieldwork by firms including CNN Polling Unit, NBC News Polls Unit, and ABC/Washington Post Polling. Its tracking of approval metrics for figures like Barack Obama, Donald Trump, Joe Biden, and Hillary Clinton fed into coverage in outlets such as The Wall Street Journal and USA Today. Academics at institutions like Columbia University, Yale University, and Princeton University referenced the aggregated series in analyses of electoral volatility and polling error.

Ownership and Business Model

Originally launched independently, the platform's ownership and commercial structure shifted over time through partnerships and acquisitions reflective of consolidation in digital media markets involving entities akin to BuzzFeed, Vox Media, and Gannett. Revenue streams included advertising, licensing of datasets to news organizations such as Reuters and Associated Press, and offering bespoke data services to campaigns, think tanks like Brookings Institution and Heritage Foundation, and advocacy groups. The business approach mirrored hybrid models used by FiveThirtyEight, RealClearPolitics, and marketplaces within Google News ecosystems, combining editorial content with data products and syndication agreements.

Reception and Criticism

The platform received praise from journalists at The New York Times, Los Angeles Times, and The Atlantic for making polling more accessible, while critics from outlets such as National Review and commentators at MSNBC questioned aggregation choices. Scholars at Stanford University and University of Michigan examined methodological assumptions—weighting schemes, pollster reliability, and treatment of nonprobability samples—similar to critiques leveled at YouGov and SurveyMonkey outputs. Post-2016 analyses by researchers at Columbia University and Harvard Kennedy School scrutinized aggregation impacts on perceived polling accuracy, and discussions in forums like Reddit and mentions on Twitter highlighted interpretive challenges for readers.

Technology and Data Practices

The site employed web-based visualization libraries comparable to those used by D3.js implementations in projects by The Guardian and ProPublica, integrating datasets from pollsters such as Gallup, Pew Research Center, Quinnipiac University, and Marist College. Data ingestion pipelines paralleled practices at FiveThirtyEight and The New York Times Data Desk, converting published toplines into standardized time-series, while attention to metadata echoed standards from ICPSR and methodologies taught at Massachusetts Institute of Technology. Privacy and data handling conformed to norms in digital journalism and research institutions like Pew Research Center and Harvard University, with attention to anonymization where individual-level datasets from vendors such as SurveyMonkey or panels like KnowledgePanel were involved.

Category:Opinion polling