South Dakota's fastest growing town had a population of fewer than 1,000 at the start of the century and had grown to 5,190 by 2014, according to recently updated federal data. Harrisburg, a bedroom community to Sioux Falls, grew 6.8 percent between 2013 and 2014 and leads the state as its fastest growing of the 27 largest municipalities.
Of the five fastest-growing South Dakota towns, three are adjacent to the state's largest city of Sioux Falls and all are in eastern South Dakota.
- North Sioux City grew by 5 percent to 2,636
- Brandon, east of Sioux Falls, grew by 2.7 percent to 9,779
- Tea, south of Sioux Falls, grew by 2.4 percent to 4,531
- Madison grew by 2.4 percent to 7,126
Sioux Falls itself was the state's sixth fastest growing city, at 2.3 percent, to a population of 168,586. Rapid City, the state's second-largest city and largest in western South Dakota, came in at seventh-fastest growing, climbing 2.1 percent to 72,638.
Rapid City's neighbor to the east, Box Elder, grew 1.8 percent to 9,233, making it the state's eighth-fastest growing city. It was followed by No. 9 Hartford, (west of Sioux Falls), which also grew 1.8 percent to 2,983 and No. 10 Aberdeen, the state's third-largest city, which grew 1 percent to 27,800.
Mitchell (15,693), Canton (3,317; north of Sioux Falls) and Brookings (23,225) were next in line, each growng 0.9 percent, followed by Pierre (14,054), which grew 0.8 percent.
Sturgis (6,741), Watertown (22,057), Mobridge (3,515) and Hot Springs (3,503) each grew by less than 0.5 percent. Winner (2,862), Vermillion (10,699), Spearfish (11,091) and Yankton (14,552) each held steady with no growth or decline.
Five cities experienced population decline from 2013 to 2014.
- Belle Fourche, down 0.2 percent to 5,707
- Dell Rapids, down 0.8 percent to 3,700
- Huron, down 0.8 percent to 13,163
- Milbank, down 1.3 percent to 3,269
- Lead, down 2.4 percent to 3,030
On the South Dakota Dashboard's Population page, find more details including population numbers for the 27 municipalities going back to 2000 and find a list of each incorporated city and town, from Sioux Falls to White Rock, population 3.