Aberdeen, ID has a population of 2,167 and is the 10,544th largest city in the United States. The population density is 2,105 per sq mi which is 10930% higher than the Idaho average and 2223% higher than the national average. The median age in Aberdeen is 28 which is approximately 23% lower than the Idaho average of 36. In Aberdeen, 65% of the population over 15 years of age are married, 42% speak English and 58% speak Spanish. 45% of Aberdeen residents were born in Idaho, 25% were born out of state, 0% were born outside of the United States and 29% were foreign born.