Dexter, NM has a population of 1,254 and is the 13,763rd largest city in the United States. The population density is 1,691 per sq mi which is 9766% higher than the New Mexico average and 1767% higher than the national average. The median age in Dexter is 32 which is approximately 13% lower than the New Mexico average of 37. In Dexter, 62% of the population over 15 years of age are married, 48% speak English and 52% speak Spanish. 58% of Dexter residents were born in New Mexico, 22% were born out of state, 0% were born outside of the United States and 20% were foreign born.