Oshkosh, NE has a population of 806 and is the 16,557th largest city in the United States. The population density is 1,205 per sq mi which is 4927% higher than the Nebraska average and 1230% higher than the national average. The median age in Oshkosh is 50 which is approximately 38% higher than the Nebraska average of 36. In Oshkosh, 72% of the population over 15 years of age are married, 89% speak English and 10% speak Spanish. 52% of Oshkosh residents were born in Nebraska, 43% were born out of state, 0% were born outside of the United States and 5% were foreign born.