San Ildefonso Pueblo, also known as the Turquoise Clan, is a census-designated place (CDP) in Santa Fe County, New Mexico, United States, and a federally recognized tribe, established c. 1300 AD. The Pueblo is self-governing and is part of the Santa Fe, New Mexico Metropolitan Statistical Area. As of the 2020 census, San Ildefonso Pueblo had a population of 624. San Ildefonso Pueblo is a member of the Eight Northern Pueblos, and the pueblo people are from the Tewa ethnic group of Native Americans, who speak the Tewa language.