The Aleutian Range is the mountain range of the Alaska Peninsula[?] in southeast Alaska. It is especially notable for its large number of active volcanoes. The mainland part of the range is about 1000 km (600 mi) long; the Aleutian Islands are (geologically) a partially submerged western extension of the range that stretches for another 1,600 km (1000 mi).
... out with 26.0% under the age of 18, 9.4% from 18 to 24, 34.6% from 25 to 44, 19.4% from 45 to 64, and 10.6% who are 65 years of age or older. The median age is 34 years. ...