A Politico/Morning Consult poll found favorable numbers for the high-profile Trump women:

• 47% have a favorable view of Melania — 32% have an unfavorable view.
• 49% have a favorable view of Ivanka — 30% have an unfavorable view.

More than 20% of voters haven't formed an opinion about them. Melania's rating has improved from 42% after her RNC speech.