Alexandria Ocasio-Cortez Wins Congressional Seat for NY: AP

Congressional nominee Alexandria Ocasio-Cortez stands with Zephyr Teachout after endorsing her for New York City Public Advocate in New York City on July 12, 2018. Spencer Platt/Getty Images

Democrat Alexandria Ocasio-Cortez defeated a little-known Republican opponent in a district representing a portion of New York City on Nov. 6.

The Associated Press called the race for the 29-year-old, who became the youngest woman elected to Congress.