Democrats chose South Carolina for the first 2028 presidential primary, then Nevada, prioritizing Black and Latino voters. New Hampshire, New Mexico, Michigan and Virginia also hold early contests.

South Carolina was first on Democrats’ primary calendar in 2024, when the state played a critical part in nominating Biden for a second term.

Nevada and South Carolina are the leading contenders to be recommended to head Democrats’ 2028 presidential primary calendar, according to conversations with members of a powerful…