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SDSouth Dakota rankings

Fastest-growing towns in South Dakota

Ranked by population growth between the 2010 and 2020 censuses. 36 towns with 2,500+ residents.

U.S. Census ACS 2020–2024 5-year

Map of Harrisburg 1 Harrisburg +64.6% 2010 census 4,089 Map of Summerset 2 Summerset +63.8% 2010 census 1,814 Box Elder 3 Box Elder +50.6% 2010 census 7,800
#TownGrowth 2010–20202010 census2020 census
1 Map of Harrisburg Harrisburg8,519 people +64.6% 4,089 6,732
2 Map of Summerset Summerset3,022 people +63.8% 1,814 2,972
3 Box Elder Box Elder12,902 people +50.6% 7,800 11,746
4 Map of Tea Tea6,786 people +47.1% 3,806 5,598
5 Big SiouxUnion County · 4,917 people +43.7% 3,259 4,683
6 Map of Hartford Hartford3,478 people +32.4% 2,534 3,354
7 Map of Brandon Brandon10,996 people +25.8% 8,785 11,048
8 Map of Sioux Falls Sioux Falls201,469 people +25.1% 153,888 192,517
9 Map of North Sioux City North Sioux City3,045 people +20.2% 2,530 3,042
10 Spearfish Spearfish12,930 people +16.2% 10,494 12,193
11 Map of Huron Huron14,385 people +13.3% 12,592 14,263
12 Vermillion Vermillion11,878 people +10.6% 10,571 11,695
13 Dell Rapids Dell Rapids3,905 people +10.0% 3,633 3,996
14 Map of Rapid City Rapid City77,946 people +9.9% 67,956 74,703
15 Elk Point Elk Point2,537 people +9.5% 1,963 2,149
16 Aberdeen28,189 people +9.2% 26,091 28,495
17 Yankton15,540 people +6.6% 14,454 15,411
18 Brookings23,948 people +6.0% 22,056 23,377
19 Sturgis Sturgis7,086 people +5.9% 6,627 7,020
20 Milbank3,525 people +5.7% 3,353 3,544
21 Watertown Watertown23,044 people +5.5% 21,482 22,655
22 Map of Blackhawk Blackhawk2,934 people +4.6% 2,892 3,026
23 Chamberlain2,588 people +3.6% 2,387 2,473
24 Pierre13,948 people +3.3% 13,646 14,091
25 Map of Mitchell Mitchell15,649 people +2.7% 15,254 15,660
26 Map of Winner Winner2,905 people +0.8% 2,897 2,921
27 Belle Fourche5,804 people +0.4% 5,594 5,617
28 Sisseton2,670 people +0.4% 2,470 2,479
29 Canton Canton3,033 people +0.3% 3,057 3,066
30 Split RockMinnehaha County · 3,143 people −1.5% 3,248 3,200
31 Rapid Valley Rapid Valley6,975 people −2.0% 8,260 8,098
32 Map of Madison Madison6,094 people −4.4% 6,474 6,191
33 Map of Lead Lead3,006 people −4.5% 3,124 2,982
34 Mobridge2,932 people −5.9% 3,465 3,261
35 Hot Springs Hot Springs3,548 people −8.5% 3,711 3,395
36 Map of Colonial Pine Hills Colonial Pine Hills2,609 people −23.7% 2,493 1,903

How this ranking works

We rank every town by population growth between the 2010 and 2020 censuses. These are official census counts, not estimates. The town with the highest figure ranks #1. For comparison, the figure for South Dakota as a whole is +8.9%.

Only towns with at least 2,500 residents are ranked; Census estimates for smaller places are too uncertain. Population and income: U.S. Census Bureau American Community Survey 5-year estimates. Town photos: Wikimedia Commons, credited on each town’s page.

Same ranking in other states

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