Oconto, NE has a population of 157 and is the 25,474th largest city in the United States. The population density is 773 per sq mi which is 3125% higher than the Nebraska average and 753% higher than the national average. The median age in Oconto is 39 which is approximately 7% higher than the Nebraska average of 36. In Oconto, 53% of the population over 15 years of age are married, 97% speak English and 3% speak Spanish. 89% of Oconto residents were born in Nebraska, 9% were born out of state, 0% were born outside of the United States and 3% were foreign born.