What homes there are
U.S. Census Bureau, ACS 5-year, 2020–2024
| Measure | Foster County | North Dakota | United States |
|---|---|---|---|
| Detached house | 79% | 57% | 61% |
| Attached house | Unreliable estimate | 6% | 6% |
| Building of 2 to 4 | Unreliable estimate | 5% | 8% |
| Apartments (5 or more) | Unreliable estimate | 25% | 19% |
| Mobile home | 5% | 7% | 6% |
| Boat, RV and other | Unreliable estimate | 0% | 0% |
The detached house rules in Foster County: 79% of homes, more than in North Dakota (57%).
| Measure | Foster County | North Dakota | United States |
|---|---|---|---|
| Before 1960 | 31% | 23% | 26% |
| 1960–1979 | 35% | 25% | 24% |
| 1980–1999 | 14% | 20% | 25% |
| 2000–2009 | 10% | 12% | 14% |
| 2010 or later | 10% | 20% | 11% |
In Foster County, half of the homes were built before 1973; in North Dakota, before 1982.
In Foster County, 62% of homes have 3 bedrooms or more, about the same as in North Dakota.