De Witt, NE has a population of 546 and is the 19,033rd largest city in the United States. The population density is 1,308 per sq mi which is 5358% higher than the Nebraska average and 1344% higher than the national average. The median age in De Witt is 42 which is approximately 17% higher than the Nebraska average of 36. In De Witt, 68% of the population over 15 years of age are married, 94% speak English and 6% speak Spanish. 71% of De Witt residents were born in Nebraska, 25% were born out of state, 1% were born outside of the United States and 3% were foreign born.