Massachusetts, one of the bluest states in the country, also has one of the nation’s most popular governors — who happens to be a Republican. Gov. Charlie Baker has maintained a strong lead in polls over his Democratic challenger, Jay Gonzalez, a former state cabinet secretary who would be the first Hispanic to lead the state if elected. Read more

Few surprises are likely in the state’s congressional races. All nine members of the state’s House delegation are Democrats, and polling suggests that that will not change — in three districts, the Republicans are not even fielding a candidate. In the Seventh District, Ayanna Pressley, a Boston city councilor, appears poised to become the first African-American to represent Massachusetts in the House.

Senator Elizabeth Warren, a possible Democratic presidential candidate, has a wide lead in polls over Geoff Diehl, a Republican state legislator, and Shiva Ayyadurai, a scientist and entrepreneur running as an independent.