Merna, NE has a population of 372 and is the 21,284th largest city in the United States. The population density is 695 per sq mi which is 2798% higher than the Nebraska average and 667% higher than the national average. The median age in Merna is 35 which is approximately 4% lower than the Nebraska average of 36. In Merna, 66% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 80% of Merna residents were born in Nebraska, 19% were born out of state, 0% were born outside of the United States and 0% were foreign born.