As Nov. 6 approaches, we're here to take you on a dash through the math of this year's gubernatorial race between Gov. Charlie Baker and his Democratic challenger Jay Gonzalez.

You've probably heard that Massachusetts has a lot of Democrats, but the truth is a little more complicated. While Democrats outnumber Republicans roughly three-to-one in the state, unenrolled voters — residents who register to vote but don't declare a political party — outnumber both of them combined:

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Massachusetts voters by party registration as of October 2018
Data courtesy of the Office of the Secretary of the Commonwealth of Massachusetts; chart by WGBH News

What Massachusetts really has is a hefty number of registered Democrats and a whole lot of unenrolled voters who vote for Democratic candidates. Together, those voters handed a commanding win to Hillary Clinton over President Donald Trump in 2016. She handily won Massachusetts with 60% of the vote:

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How Massachusetts voters cast their ballots for president in 2016
Data courtesy the Office of the Secretary of the Commonwealth of Massachusetts; chart by WGBH News

For a state where Trump lost by nearly 30 points — only four states voted bluer than Massachusetts in the 2016 presidential election — we do elect quite a few Republican governors, and some win with big margins. The governor with the biggest share of the vote since 1970 was Republican Gov. Bill Weld in his 1994 re-election run:

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Governors and their share of the vote in Massachusetts
Data from the Office of the Secretary of the Commonwealth of Massachusetts; chart by WGBH News

Baker's current campaign hints at a few elements of this Massachusetts phenomenon. For one thing, the governor's lead in fundraising is substantial:

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Campaign cash on hand for Baker and Gonzalez
Data courtesy of the Massachusetts Office of Campaign Finance; chart by WGBH News

Baker is also rich in another way — name recognition. That shows up in Google Trends data as increased search interest. Baker has enjoyed a solid lead throughout the campaign season. The highest possible score is 100, and while Gonzalez reached a high in the 70's in the weeks running up to the election, at no point did he lead Governor Baker.

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Data from Google trends indicates search interest for candidates Baker and Gonzalez
Data from Google Trends; chart by WGBH News

WGBH News will be offering live election night coverage to bring you the results as they happen here in Massachusetts and across the country. If you'd like to take a deep dive into Election 2018, start here, and if you're looking for practical info on the issues, check out our 2018 Ballot Questions Guide.
SeparatorElection and voter registration data provided by the Office of the Secretary of the Commonwealth of Massachusetts; campaign finance data provided by the Massachusetts Office of Campaign Finance; Google Trends data courtesy of Google.