Prosser, NE has a population of 89 and is the 27,227th largest city in the United States. The population density is 334 per sq mi which is 1295% higher than the Nebraska average and 269% higher than the national average. The median age in Prosser is 38 which is approximately 4% higher than the Nebraska average of 36. In Prosser, 75% of the population over 15 years of age are married, 97% speak English and 3% speak Spanish. 88% of Prosser residents were born in Nebraska, 12% were born out of state, 0% were born outside of the United States and 0% were foreign born.