Ivanka Trump and Chelsea Clinton are more than accomplished women, campaign surrogates and friends, as Chelsea reaffirmed on “The View” last month. They are members of a rising generation of female voters. How well do these young women represent their peers in demographic terms? And what do we know about the lifestyles and attitudes of the emerging female electorate?

Diversity

Let’s start with the basics. While very close in age, the two women fall into different generations. At 34, Ivanka Trump is at the front end of the...