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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

Here's When You Can Expect Primary Polls To Really Start Mattering

(0) Comments | Posted August 28, 2015 | 3:53 PM

The 2016 campaign already feels like it's been going on forever. But if one thing's been consistent over the past three presidential elections, it's that closely contested primaries don't tend to start shaking out until considerably later in the election cycle. 

As GOP strategist Patrick Ruffini points out with...

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HUFFPOLLSTER: Support For The GOP Frontrunner Might Just Be Overstated

(2) Comments | Posted August 28, 2015 | 8:10 AM

EVIDENCE THAT TRUMP'S SUPPORT OVERSTATED, BUT NOT BY MUCH - Nate Cohn: "Ever since Donald Trump has risen to the top of the polls, Republican strategists have questioned whether those polls might be overestimating his support. There is evidence to support that theory...[in] polling data provided...

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HUFFPOLLSTER: How Much Are Pollsters Really Getting Paid?

(0) Comments | Posted August 21, 2015 | 7:45 AM

Most pollsters wish they were paid as well as Donald Trump thinks they are, but FEC filings show that so far few if any are.

In an interview with New York Times columnist Maureen Dowd, the real estate...

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Why Trump's 25 Percent Is Not Enough

(0) Comments | Posted August 18, 2015 | 4:12 PM

Two new national polls show Donald Trump continuing to lead in the race for the GOP presidential nomination. But a combination of basic arithmetic and Politics 101 helps explain why the real estate mogul remains a long way from the support necessary to secure the 2016 Republican nomination.

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HUFFPOLLSTER: Is Bernie Sanders Really Leading In New Hampshire?

(8) Comments | Posted August 14, 2015 | 8:03 AM

ABOUT THAT NEW HAMPSHIRE POLL - A new Boston Herald-Franklin Pierce University poll released earlier this week found Sen. Bernie Sanders (I-Vt.) with a not-quite statistically significant 44 percent to 37 percent lead in New Hampshire over former Secretary of State...

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Republicans Back Donald Trump Over Megyn Kelly

(13) Comments | Posted August 13, 2015 | 3:24 PM

When Donald Trump took on Fox News host Megyn Kelly after the...

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HUFFPOLLSTER: Gallup Settles $12 Million Lawsuit Over Calls To Cell Phones

(0) Comments | Posted July 31, 2015 | 8:50 AM

Gallup pays millions to settle a lawsuit it says is spurious. Clinton leads among Democratic activists; they love Bernie Sanders but don't think he can win. And politicos fret about "Trumped up polls." This is HuffPollster for Friday, July 31, 2015.


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Pollsters Worried FCC Chairman Doesn't Care If They Go Out Of Business

(0) Comments | Posted July 30, 2015 | 2:01 PM


WASHINGTON-- Federal Communications Commission Chair Tom Wheeler reaffirmed many pollsters' fears last week that tighter regulations could...

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Grassroots Dems Love Bernie Sanders. They Just Don't Think He Can Win.

(27) Comments | Posted July 28, 2015 | 11:06 AM

Most Americans, even if they're planning to vote in next year's presidential primaries, aren't paying much attention to the 2016 election right now. That's why The Huffington Post has been reporting on a different kind of survey, focusing on the people who are tuning in: the party activists...

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HUFFPOLLSTER: Republicans Are Growing Dissatisfied With Their Party

(716) Comments | Posted July 24, 2015 | 7:44 AM

Negative perceptions of the Republican party are on the rise...among Republicans. Donald Trump may be leading in national polls, but Walker and Rubio are perceived as the most acceptable and viable candidates by activist Republicans. And a low response rate doesn't automatically mean a survey is wrong. This is HuffPollster...

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We Polled True Activist Grassroots Republicans, And Here's Who They're Backing

(24) Comments | Posted July 22, 2015 | 1:38 PM


Traditional polls provide a snapshot of what a few Americans think at any given moment. But a lot of Americans aren't even paying attention to the 2016 election yet. Do people who are paying attention see the race differently? 

To answer that question, The Huffington Post worked...

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HUFFPOLLSTER: 2014 Marked A New Low In Voter Turnout

(11) Comments | Posted July 17, 2015 | 7:54 AM

A Census benchmark confirms that 2014 turnout was the lowest in decades. Ted Cruz joins the chorus criticizing Fox News for its use of polls to select debate participants. And PPP explains how it tests 17 candidates with just 9 phone digits. This is HuffPollster for Friday, July 17, 2015.

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HUFFPOLLSTER: A Closer Look At Iowa Polls

(45) Comments | Posted July 10, 2015 | 8:32 AM

We examine the widely varying polling methods being used in Iowa. The polling misfire in Greece raises questions about the accuracy of polling yet again. And is Trump really the frontrunner? This is HuffPollster for Friday, July 10, 2015.

KNOW YOUR IOWA POLLSTERS - With retail campaigning just getting...

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Why The Polls In Greece Got It Wrong

(7) Comments | Posted July 8, 2015 | 4:41 PM

Sunday was a bad day for pollsters, adding yet another poor performance following a string of recent high-profile polling misfires. This time the final round of polls on the Greek referendum showed the bailout deal failing by 3 to 4 percentage points,...

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HUFFPOLLSTER: Here's The Real Impact Trump Could Have On 2016

(168) Comments | Posted July 2, 2015 | 9:08 AM

Donald Trump's rise in the polls may be less important than the media "oxygen" he is consuming. A majority of Americans approve of the SCOTUS ruling on the ACA. And Americans are very patriotic -- Happy Fourth! This is HuffPollster for Thursday, July 2, 2015.

Businessman Donald Trump's support is...

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HUFFPOLLSTER: What The Latest Polls Don't Mean For 2016

(6) Comments | Posted June 26, 2015 | 9:11 AM

Shifts in the 2016 polls may be less meaningful than they seem. Donald Trump's "surge" may be less than meets the eye. And the latest CDC estimates show landlines are continuing to disappear from American households. This is HuffPollster for Friday, June 26, 2015.

A flurry of new national polls...

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The Surprising Reason So Many People Still Don't Like Obamacare

(1444) Comments | Posted June 21, 2015 | 8:03 PM

The Supreme Court could issue a ruling in King v. Burwell, the lawsuit threatening to undermine a key part of the Affordable Care Act, as early as Thursday. But the debate over President Barack Obama's controversial health care law is likely to continue no matter how the justices...

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HUFFPOLLSTER: New FCC Rules Could Make Polling More Expensive, Less Accurate

(4) Comments | Posted June 19, 2015 | 9:08 AM

The FCC gives pollsters heartburn with new rules that toughen restrictions on the use of "autodialers" to call cell phones. Yet, surveys that don't use cell phones are less accurate, a study finds. And pollsters offer advice for reporting polls. This is HuffPollster for Friday, June 19, 2015.


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HUFFPOLLSTER: Opinions On Trade Don't Divide Along The Usual Party Lines

(12) Comments | Posted June 12, 2015 | 8:07 AM

Americans' sometimes conflicting views on foreign trade show remarkably little partisan polarization. Millennials say they have it hard but are optimistic for the future. And we remember legendary California pollster Mervin Field. This is HuffPollster for Friday, June 12, 2015.


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HUFFPOLLSTER: New FCC Proposal Could Disrupt Polling Industry

(6) Comments | Posted June 5, 2015 | 10:10 AM

A set of potential new FCC rules for incoming calls rattles the polling industry. Voters want substance. And Americans explain what they mean by "middle class." This is HuffPollster for Friday, June 5, 2015.

NEW FCC RULES COULD COMPLICATE POLLING - A government proposal to revise the rules affecting incoming...

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