evidence: Who Is Alexandria Ocasio-Cortez? Alexandria Ocasio-Cortez or AOC is an American politician. She has served as a US congresswoman for the Democratic Party since 2019 for New York’s 14th district. This congressional district includes the Bronx, Queens, and Rikers Island partially. People also know her for her achievements as an activist for minority causes. [...] How old is Alexandria Ocasio-Cortez? She is 31 years old, and took office when she was 29 years of age.