Ruidoso, NM has a population of 7,833 and is the 4,776th largest city in the United States. The population density is 486 per sq mi which is 2736% higher than the New Mexico average and 436% higher than the national average. The median age in Ruidoso is 51 which is approximately 36% higher than the New Mexico average of 37. In Ruidoso, 59% of the population over 15 years of age are married, 73% speak English and 23% speak Spanish. 36% of Ruidoso residents were born in New Mexico, 53% were born out of state, 1% were born outside of the United States and 9% were foreign born.