Loretta Sanchez

Younger, diverse voters are reshaping California politics

Come Election Day, California could legalize pot. Its new U.S. senator will be black or Hispanic — a first for the state. And voters could end the death penalty and revive bilingual education in schools.

The outcome of voting on Nov. 8 is likely to reflect long-term trends that have seen the nation's most populous state become increasingly diverse and firmly Democratic in its politics.

A new wave of voters — many young, Hispanic or both — are poised to contribute to generational, demographic and cultural shifts that are reshaping California. Over half of new voter registrations this year are millennials — younger people who tend to be more liberal...