11154 Southern Tiwa 1000-9999 4,500 At Sandia Pueblo, only middle-aged and elderly people are fully fluent, although some younger people use the language and at least a few children still acquire it. In all there are about 100 speakers in a total population of about 500. At Isleta Pueblo, there are approximately 1,500 speakers in a membership of about 4,000. North America On ~1,600 1000-9999