Sterling, NE has a population of 485 and is the 19,713th largest city in the United States. The population density is 1,191 per sq mi which is 4870% higher than the Nebraska average and 1215% higher than the national average. The median age in Sterling is 45 which is approximately 23% higher than the Nebraska average of 36. In Sterling, 65% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 89% of Sterling residents were born in Nebraska, 9% were born out of state, 0% were born outside of the United States and 1% were foreign born.