Placitas CDP (Doña Ana County), NM has a population of 725 and is the 17,246th largest city in the United States. The population density is 5,147 per sq mi which is 29926% higher than the New Mexico average and 5580% higher than the national average. The median age in Placitas CDP (Doña Ana County) is 24 which is approximately 35% lower than the New Mexico average of 37. In Placitas CDP (Doña Ana County), 57% of the population over 15 years of age are married, 11% speak English and 89% speak Spanish. 53% of Placitas CDP (Doña Ana County) residents were born in New Mexico, 7% were born out of state, 0% were born outside of the United States and 40% were foreign born.