Arlington, WY has a population of 32 and is the 28,563rd largest city in the United States. The population density is 8 per sq mi which is 34% higher than the Wyoming average and 91% lower than the national average. The median age in Arlington is 16 which is approximately 57% lower than the Wyoming average of 37. In Arlington, 70% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 9% of Arlington residents were born in Wyoming, 91% were born out of state, 0% were born outside of the United States and 0% were foreign born.