ABERDEEN, the second largest city of South Dakota, U.S.A., the county-seat of Brown county. It is in the north eastern part of the State, on the Yellowstone Trail, about 270m. W. by N. of Minneapolis, and is served by nine lines altogether of the Chicago, Milwaukee and St. Paul, the Great Northern, the Chicago and North Western, and the Minneapolis and St. Louis railways. The population (9o% native whites) was 4,087 in 1900 and 16,465 in 1930.
Aberdeen is the financial and trading centre of the northern part of the State, a fine agricultural region, producing grain, potatoes, hay and flax. In 1925 it had 35 manufacturing estab lishments, including packing houses, machine shops, and a flour mill, which had an aggregate output valued at $4,639,377. The Northern State Teachers college was established in 1901. An open-air theatre, with a seating capacity of 5,000, was added to the campus equipment in 1923. The college has an annual enrol ment of about 2,000. It maintains a summer biological station at Lake Enemy Swim, near Waubay. Aberdeen was settled in 188o and was chartered as a city in 1883.