Alternate Unofficial Names: Bove, P'ahwia'hliap *, Pak'wete *, Pakwiti *, Pashugi'i *, Poqwoge'ongwi *, Posowe *, Saint Ildefonsus, Salafoso *, San Aldefonso, San Il de Conso, San Ildefonsia, San Ildefonso, San Yldefonso, San Yldefonzo, Sant Yldefonso, Sostavanatewa *, Tse Tu Kinne *.
San Ildefonso Pueblo had a population of 0; a land area of 4.45 sq. miles; a water area of 0.16 sq. miles; and a population density of 0.00 people per sq. mile according to the US Census Bureaue estimate of July 1, 2009. Latest Census Estimates for all incorporated places in New Mexico.