Carleton, NE has a population of 86 and is the 27,283rd largest city in the United States. The population density is 94 per sq mi which is 293% higher than the Nebraska average and 4% higher than the national average. The median age in Carleton is 47 which is approximately 30% higher than the Nebraska average of 36. In Carleton, 93% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 70% of Carleton residents were born in Nebraska, 30% were born out of state, 0% were born outside of the United States and 0% were foreign born.