San Pedro, NM has a population of 136 and is the 26,012th largest city in the United States. The population density is 14 per sq mi which is 19% lower than the New Mexico average and 85% lower than the national average. The median age in San Pedro is 62 which is approximately 66% higher than the New Mexico average of 37. In San Pedro, 85% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 24% of San Pedro residents were born in New Mexico, 70% were born out of state, 6% were born outside of the United States and 0% were foreign born.