Arlington, NE has a population of 1,322 and is the 13,456th largest city in the United States. The population density is 2,209 per sq mi which is 8738% higher than the Nebraska average and 2339% higher than the national average. The median age in Arlington is 33 which is approximately 8% lower than the Nebraska average of 36. In Arlington, 69% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 78% of Arlington residents were born in Nebraska, 21% were born out of state, 0% were born outside of the United States and 1% were foreign born.