30399 Mono (United States) 10-99 Today, there are not more than 40 first-language speakers.
"Western Mono continues to be spoken at North Fork and Auberry (Big Sandy Rancheria), each of which had in the early twenty-first century at least ten fully fluent speakers, the youngest in his fifties. There are also a few speakers at Tollhouse (Cold Springs Rancheria) and Dunlap. In addition, one hundred or more people have some passive of second-language knowledge of the language ... Eastern (or Owens Valley Paiute) is still spoken in the Indian communities at Bishop, Big Pine, Lone Pine, and Fort Independence. All Eastern Mono speakers are elderly and number not more than thirty in a total populations of about a thousand" (p. 173). California Indian Languages On <40 10-99