West North Central division · Midwest
South Dakota
South Dakota authorized 5,305 new housing units in 2025. Recent building has outrun the boom: the 2021–2025 yearly average was 27% above the 2004–2006 average, the second-largest recovery by this measure among the 50 states and DC. The housing bust cut annual permits by 52%, from 5,839 at the 2004–2006 high to 2,813 in 2011, the third-mildest drop among the 50 states and DC.
Single-family2–4 units5+ units
Relative to population, the rate was 7.8 units per 1,000 residents a year in 2021–2025, the highest rate of the 7 West North Central states.
Houses or apartments
In South Dakota, 50% of the units authorized in 2021–2025 were single-family houses and 45% were in buildings of five or more units, against 34% nationally. The closest match in building mix among the 50 other states is Colorado (44% in five-plus buildings). That share has risen sharply since 2004–2006, when it stood at 14%. Units in five-plus buildings peaked in 2022 (5,072), single-family houses in 2005 (4,693).
Boom, bust and since
South Dakota authorized the most units in 2022 (9,421); 2025 reached 56% of that. Its peak year is shared by 2 other states, among them District of Columbia, Nebraska. From 2024 to 2025 the count fell 12%.
Metro areas
In 2021–2025, 76% of the units authorized in South Dakota fell in counties belonging to one of its 3 metro areas; the other 24% came from smaller towns and rural counties. Sioux Falls leads with 3,650 units a year (counting its part in neighboring states).
Average units authorized per year, 2021–2025.
Busiest permit offices
Across South Dakota, 200 permit offices authorized new housing in 2021–2025. The busiest was Sioux Falls, with 14,286 units or 40% of the total, followed by Rapid City with 4,187. Among the three largest, Rapid City put 70% of its units in five-plus buildings, Custer County (unincorporated) 0%.
Share of the units authorized in South Dakota, 2021–2025.
Reported and estimated
Permit offices in South Dakota reported 94% of the 2021–2025 units directly; the Census Bureau estimated 6% for offices that missed months (US: 8.2%; closest state: Florida, 5.9%).
Similar in size
| State | 2004–2025 | 2025 units | Per 1,000 a year | 5+ share |
|---|---|---|---|---|
| Rhode Island | 1,738 | 1.4 | 23% | |
| Delaware | 6,468 | 6.6 | 11% | |
| South Dakota | 5,305 | 7.8 | 45% | |
| North Dakota | 2,440 | 3.7 | 31% | |
| Alaska | 848 | 1.4 | 22% |
Rates and shares: 2021–2025.
Every yearly figure behind the chart, split by building size: yearly-units.csv. Counting rules.