Las Vegas, NM has a population of 13,570 and is the 3,081st largest city in the United States. The population density is 1,735 per sq mi which is 10020% higher than the New Mexico average and 1815% higher than the national average. The median age in Las Vegas is 38 which is approximately 2% higher than the New Mexico average of 37. In Las Vegas, 33% of the population over 15 years of age are married, 45% speak English and 52% speak Spanish. 74% of Las Vegas residents were born in New Mexico, 22% were born out of state, 1% were born outside of the United States and 3% were foreign born.