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Primary Election Season: Super Tuesday

TUESDAY, MAR 03, 2020

After primary election contests in Iowa, New Hampshire, Nevada and South Carolina, the presidential race accelerates on Super Tuesday. Fourteen states host primaries on this day and more than a third of all delegates for the nomination are in play. (Plus, voters in American Samoa weigh in on the primaries on this day too, though they don’t get a vote in the general election.)

This Social Explorer analysis compares the different states using data and maps from the Census Bureau and recent presidential elections.

Voting History:

Super Tuesday brings a large swath of the country into the presidential election process. When it comes time for the general election in November, 197 of the 538 Electoral College votes at stake will come from these Super Tuesday states—nearly eight times the number of electoral college votes coming from the earlier primary states (Iowa, New Hampshire, Nevada and South Carolina).

The following Social Explorer maps, based on data from Dave Leip's Atlas of U.S. Presidential Elections, show the voting trends in the Super Tuesday states from the 2008 and 2016 general elections.

Zoom in to explore the maps and see which states and areas shifted voting patterns from 2008 to 2016.


According to the 2014-18 American Community Survey, the Super Tuesday states range in population from 624,977 (Vermont) to 39,148,760 (California). Combined, these states make up 39.3 percent of the US population. The following chart, created using Social Explorer's charting app, shows all the Super Tuesday state populations side-by-side.



The following chart compares median household income data among the Super Tuesday states. The chart also includes the national median household income ($60,293 in 2018 dollars) for reference.


Race & Hispanic Status:

After primary election contests in two predominately white states (Iowa and New Hampshire) and then two more diverse states (Nevada and South Carolina), candidates will compete in a variety of states with different racial and ethnic compositions on the same day. The following chart shows the white and black populations for the 14 states on the Super Tuesday calendar. The racial composition ranges from Maine (94.5 percent white and 1.3 percent black) to Alabama (68.2 percent white and 26.2 percent black).



The Census Bureau also tabulates Hispanic status and counts it separately from race. The following chart compares the proportion of the Hispanic population among the Super Tuesday states, ranging from Maine (1.6 percent) to Texas (39.2 percent).

Visit Social Explorer's maps and reports to learn more about the different states and stay tuned for more election-related posts.

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