Counties where the candidates did significantly better than their statewide average.

The outsider candidates, Ted Cruz, Donald J. Trump and Ben Carson, found their strongest support in other areas. Mr. Carson, for example, performed better in upstate counties that have more evangelical Christians.

Counties where the candidates did significantly better than their statewide average.

In South Carolina, Mr. Bush and the other establishment candidates, Mr. Kasich and Mr. Rubio, performed better near the state capital, Columbia, and in counties around Charleston — urban areas where residents are wealthier and more educated — than they did statewide.

Which Candidate’s Supporters Are Most Like Bush’s

Most of the voters supporting Mr. Bush in South Carolina identified as “somewhat conservative” and were more moderate than the supporters of any other candidate except Mr. Kasich.

Very conservative Somewhat

conservative Moderate Liberal



Cruz Carson Trump Rubio Bush Kasich 60% 34 6 43 43 13 34 46 18 33 49 18 26 51 20 4 16 35 47 Very conservative Somewhat conservative Moderate

Liberal



Cruz Carson Trump Rubio Bush Kasich 60% 34 6 43 43 13 34 46 18 33 49 18 26 51 20 16 35 47

Mr. Bush had the highest share of supporters who said terrorism was the most important issue to them. Like Mr. Rubio’s and Mr. Kasich’s supporters, only a small share listed immigration as the most important issue.

Terrorism Government spending Economy Immigration Bush Cruz Carson Rubio Trump Kasich 39% 37% 33% 33% 30% 19% 31% 29% 30% 29% 20% 29% 25% 19% 23% 30% 32% 47% 4% 11% 10% 5% 16% 4% Terrorism Government spending Economy Immigration Bush Cruz Carson Rubio Trump Kasich 39% 37% 33% 33% 30% 19% 31% 29% 30% 29% 20% 29% 25% 19% 23% 30% 32% 47% 4% 11% 10% 5% 16% 4%

Mr. Bush’s supporters were older than any other candidate’s supporters. Mr. Trump’s voters were the second oldest.

17-29 30-44 45-64 65+ Bush Trump Kasich Rubio Cruz Carson 5% 9 44 42 8 14 51 27 11 18 42 30 10 20 40 30 13 20 47 20 15 24 46 15 17-29 30-44 45-64 65+ Bush Trump Kasich Rubio Cruz Carson 9% 44 42 8 14 51 27 11 18 42 30 10 20 40 30 13 20 47 20 15 24 46 15

Voters for Mr. Bush had a similar education profile to voters for Mr. Rubio and Mr. Carson.