Madrid, NM has a population of 132 and is the 26,105th largest city in the United States. The population density is 95 per sq mi which is 454% higher than the New Mexico average and 5% higher than the national average. The median age in Madrid is 64 which is approximately 71% higher than the New Mexico average of 37. In Madrid, 17% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 0% of Madrid residents were born in New Mexico, 97% were born out of state, 3% were born outside of the United States and 0% were foreign born.