Cairo, NE has a population of 894 and is the 15,845th largest city in the United States. The population density is 938 per sq mi which is 3815% higher than the Nebraska average and 936% higher than the national average. The median age in Cairo is 32 which is approximately 13% lower than the Nebraska average of 36. In Cairo, 60% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 76% of Cairo residents were born in Nebraska, 23% were born out of state, 0% were born outside of the United States and 1% were foreign born.