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Mark Blumenthal
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Mark Blumenthal is the senior polling editor of the Huffington Post and the founding editor of

The Huffington Post acquired in July 2010, but HuffPost Pollster’s mission remains the same: To publish and aggregate poll results in uniquely interactive charts and to provide daily running commentary and analysis that explains, demystifies and critiques political polling.

From 2006 to 2010, attracted over 28 millions visits and over 90 million page views. Time named one of the 50 Best Websites for 2009, a list that also included Google, YouTube, Facebook and Twitter. was partly an outgrowth of Blumenthal's Mystery Pollster blog, which he started in September 2004.

In May of 2007, along with co-creator Charles Franklin, Blumenthal received the Warren J. Mitofsky Innovators Award for from the American Association for Public Opinion Research. In 2005, the National Council on Public Polls awarded Blumenthal and the MysteryPollster blog a special citation for its work explaining polls to the Internet reader.

From 2008 to 2010, Blumenthal served as polling analyst for The National Journal, were he wrote a weekly column for

Blumenthal worked in the political polling business for more than 20 years, conducting and analyzing political polls and focus groups for Democratic candidates and market research surveys for major corporations. His experience includes work with pollsters Harrison Hickman, Paul Maslin, Kirk Brown, Celinda Lake, Stan Greenberg and 15 years with his former partners David Petts and Anna Bennett in the firm formerly known as Bennett, Petts and Blumenthal (BPB). In January of 2007, he left BPB to devote full time to

His academic background includes a Political Science degree from the University of Michigan and course work towards a Masters degree at the Joint Program in Survey Methodology (JPSM) at the University of Maryland. He has also served as a guest lecturer at the Communications School at American University and at training seminars sponsored by EMILY's List, the Democratic National Committee and the National Democratic Institute for International Affairs. He served as Communications Chair of the American Association for Public Opinion Research (AAPOR) from 2007 to 2008.

Entries by Mark Blumenthal

HUFFPOLLSTER: Poll Finds Pat Roberts Trailing Independent Candidate

(326) Comments | Posted September 16, 2014 | 8:27 AM

Polling shows the potential for a major upset in Kansas. Both parties back action against ISIS -- but that's where the consensus ends. And decades of survey data demonstrates Americans' reluctance toward making major constitutional changes. This is HuffPollster for Tuesday, September 16, 2014.


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HUFFPOLLSTER: Another Poll Shows Increasingly Close Race In New Hampshire

(83) Comments | Posted September 15, 2014 | 8:54 AM

A flurry of new Senate polls released over the weekend suggest a closer race in New Hampshire, an emerging consensus that Hagan is leading in North Carolina, and internal polling continues to favor the people releasing it. This is HuffPollster for Monday, September 15, 2014.


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HUFFPOLLSTER: GOP Leads Nationally, While Democrats Do Well In Senate Polls

(180) Comments | Posted September 12, 2014 | 8:04 AM

A national poll finds the Republicans ahead, while state-level Senate surveys have some good news for Democrats. This year's gubernatorial races look as competitive as everything else, but most GOP incumbent have an edge. And a large number of independents complicates the Alaska Senate race. This is HuffPollster for Friday,...

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HUFFPOLLSTER: Terrorism Fears Rise, But Few Call It Most Important Issue

(0) Comments | Posted September 11, 2014 | 8:39 AM

As polls find Americans find increasing concern in reaction to ISIS, very few mention terrorism as the most important problem facing the country. Democrats get some good Senate news from a new poll in Michigan. And 'other stuff' can make for better election predictions. This is HuffPollster for Thursday, September...

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HUFFPOLLSTER: More Say America Is As Unsafe As It's Been Since 9/11

(1) Comments | Posted September 10, 2014 | 8:30 AM

Americans are more concerned about their safety from terrorism than they have been since 9/11. Another poll finds Republicans more enthusiastic about voting in 2014 than Democrats. And we explain how a new Kansas surveys shifts our Senate ratings. This is HuffPollster for Wednesday, September 10, 2014.


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HUFFPOLLSTER: Americans Deeply Worried By ISIS

(2) Comments | Posted September 9, 2014 | 8:15 AM

Concerns about terrorism are leading to increased support for airstrikes. A new Kansas poll finds incumbent Pat Roberts vulnerable. And the year's primary cycle is nearly at a close. This is HuffPollster for Tuesday, September 9, 2014.

AMERICANS WORRIED BY ISIS - Mark Preston: "Americans are increasingly concerned that ISIS...

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HUFFPOLLSTER: New Polls Show How Close The Midterms Remain

(25) Comments | Posted September 8, 2014 | 8:19 AM

A new round of Senate polling shows a stable, slightly GOP-friendly midterm environment. We look at where the polls do, and don't agree, and how the new data affects our polling model. This is HuffPollster for Monday, September 8, 2014.

A big batch of new polls released since Friday helped...

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How The 'Orman Factor' Muddles The Senate Forecast, And How We've Dealt With That

(141) Comments | Posted September 5, 2014 | 6:06 PM

WASHINGTON -- The recent upheaval in the Kansas Senate race has thrown a small wrench into political observers' efforts to forecast which party will take majority control of the upper chamber of Congress next year.

If independent candidate Greg Orman ousts Sen. Pat Roberts (R-Kan.) on Nov....

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HUFFPOLLSTER: How Do You Ask About A Senate Race Like Kansas?

(2) Comments | Posted September 5, 2014 | 8:00 AM

The upheaval in the Kansas Senate race creates one set of challenges for pollsters and another for forecasters. Americans are more optimistic about jobs, but not the economy. And Obama's job approval is down...or is it? This is HuffPollster for Friday, September 5, 2014.


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HUFFPOLLSTER: Kansas Senate Race Shakeup Could Leave Roberts Vulnerable

(75) Comments | Posted September 4, 2014 | 7:53 AM

A major shakeup in Kansas throws a wrench into Senate predictions. A handful of new surveys all tell the same story about the Kentucky Senate race. And white Americans' circles of friends may not be as uniformly white as previously assumed. This is HuffPollster for Thursday, September 4, 2014.


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HUFFPOLLSTER: Poll Gives The GOP A National Edge

(157) Comments | Posted September 3, 2014 | 7:40 AM

A new national poll gives Republicans the upper hand. We explain our new Senate forecast. And if you're looking for a wealth of nonpartisan polls, you might want to try Massachusetts. This is HuffPollster for Wednesday, September 3, 2014.


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HuffPost's New Senate Forecast Predicts A Nail-Biter

(182) Comments | Posted September 2, 2014 | 1:25 PM

WASHINGTON -- The race for control of the U.S. Senate remains very much in doubt, coming down to a coin flip based on current voter preferences as measured by the latest public polls.

According to a new election forecasting model compiled by HuffPost Pollster and launched on...

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HUFFPOLLSTER: New Survey Gives McConnell An Edge In Kentucky

(43) Comments | Posted September 2, 2014 | 8:28 AM

A new poll gives Republicans the edge in Kentucky. Forecasters weigh in on election polling. And we're looking forward to debuting our new Senate dashboard. This is HuffPollster for Tuesday morning, September 2, 2014.

MCCONNELL 'INCHES AHEAD' IN KENTUCKY - SurveyUSA: "A Labor Day Weekend look at the election for...

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HUFFPOLLSTER: Political Scientists Weigh In With Midterm Predictions

(251) Comments | Posted August 29, 2014 | 5:31 PM

Political scientists gathered in DC to argue over just how good the midterms will be for the GOP. We weigh in with our own revamped Senate model. And that's it for us until next Tuesday, when we switch over to a morning newsletter. This is HuffPollster for Friday, August 29,...

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HuffPost Pollster Refines Senate Poll Tracking Model Before 2014 Elections

(23) Comments | Posted August 29, 2014 | 10:00 AM

WASHINGTON -- With just over nine weeks remaining before Election Day 2014, the contest for control of the U.S. Senate likely hinges on the outcome of a half-dozen races that remain remarkably close, according to the latest public polls.

In estimates based on all available public polls compiled by...

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HUFFPOLLSTER: Recession Leaves Americans Pessimistic About Jobs

(0) Comments | Posted August 28, 2014 | 5:36 PM

Americans are deeply pessimistic about the state of the economy. A Republican poll is deeply pessimistic about the GOP's outreach toward women. And opinions on foreign interventionism may be shifting. This is HuffPollster for Thursday, August 28, 2014.


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HUFFPOLLSTER: Polls Show Close Races In Iowa, Wisconsin

(3) Comments | Posted August 27, 2014 | 6:04 PM

Two new polls confirm highly competitive races for governor in Wisconsin and U.S. Senate in Iowa. Republicans say they are paying more attention to the midterms than Democrats. And not everyone is downbeat on the polling industry's future. This is HuffPollster for Wednesday, August 27, 2014.


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HUFFPOLLSTER: Republicans Increasingly Optimistic About Midterm Chances

(3) Comments | Posted August 26, 2014 | 6:05 PM

Republicans are increasingly optimistic about the midterms, but not as much as they were in 2010. The electoral landscape continues to look pretty much stagnant. And support for airstrikes in Iraq continues to grow. This is HuffPollster for Tuesday, August 26, 2014.


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HUFFPOLLSTER: Does Hating Congress Lead To Higher Turnout?

(0) Comments | Posted August 25, 2014 | 6:11 PM

Gallup finds that turnout correlates with congressional approval, based on just six elections. Daily Kos launches another poll based Senate forecast. And Nate Silver highlights the continuing accuracy of statewide Senate and Governor election polls despite the major challenges roiling the polling world. This is HuffPollster for Monday, August 25,...

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HUFFPOLLSTER: Stop Freaking Out Over The Results Of One Poll

(24) Comments | Posted August 22, 2014 | 5:06 PM

A new poll shows a distinctly different picture of the New Hampshire Senate race than other surveys. Reactions to the shooting and protests in Ferguson, Missouri show stark racial divisions by nearly any measure. And Americans' ice bucket challenge picks could start a different kind of cold war. This is...

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