East Pecos, NM has a population of 390 and is the 21,012th largest city in the United States. The population density is 108 per sq mi which is 532% higher than the New Mexico average and 20% higher than the national average. The median age in East Pecos is 30 which is approximately 20% lower than the New Mexico average of 37. In East Pecos, 23% of the population over 15 years of age are married, 14% speak English and 86% speak Spanish. 89% of East Pecos residents were born in New Mexico, 11% were born out of state, 0% were born outside of the United States and 0% were foreign born.