Unadilla, NE has a population of 258 and is the 23,271st largest city in the United States. The population density is 840 per sq mi which is 3404% higher than the Nebraska average and 827% higher than the national average. The median age in Unadilla is 51 which is approximately 40% higher than the Nebraska average of 36. In Unadilla, 74% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 86% of Unadilla residents were born in Nebraska, 14% were born out of state, 0% were born outside of the United States and 0% were foreign born.