Exeter, NE has a population of 611 and is the 18,331st largest city in the United States. The population density is 965 per sq mi which is 3924% higher than the Nebraska average and 965% higher than the national average. The median age in Exeter is 46 which is approximately 26% higher than the Nebraska average of 36. In Exeter, 69% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 84% of Exeter residents were born in Nebraska, 16% were born out of state, 0% were born outside of the United States and 0% were foreign born.