The district includes Belmont, Claremont Village, Clason Point, Concourse, Concourse Village, Crotona Park East, Hunts Point, Longwood, Melrose, Morrisania, Mott Haven, North Brother Island, Parkchester, Port Morris, Soundview, South Brother Island, Tremont and West Farms in The Bronx.
Arroyo was born Corozal, Puerto Rico, and moved to The Bronx with her family when she was seven years old.
The nondisclosure is a violation of state election laws that often results in heavy fines, but little else.
Arroyo won the special election for her council seat in 2005 after her predecessor, Jose M. Serrano, jumped to the New York State Senate.
In 2013, it was found that individuals who worked on Arroyo's campaign in 2013 had forged petition signatures for ballot access in her reelection to council.