| Stillwater | 1990 | Census 1990 | Single-Family Detached | 3567 |
| Stillwater | 2000 | Census 2000 | Single-Family Detached | 4321 |
| Stillwater | 2010 | Estimates 2010 | Single-Family Detached | 5086 |
| Stillwater | 2020 | Estimates 2020 | Single-Family Detached | 5638 |
| Stillwater | 2021 | Estimates 2021 | Single-Family Detached | 5668 |
| Stillwater | 1990 | Census 1990 | Townhomes (single-family attached) | 180 |
| Stillwater | 2000 | Census 2000 | Townhomes (single-family attached) | 498 |
| Stillwater | 2010 | Estimates 2010 | Townhomes (single-family attached) | 915 |
| Stillwater | 2020 | Estimates 2020 | Townhomes (single-family attached) | 854 |
| Stillwater | 2021 | Estimates 2021 | Townhomes (single-family attached) | 854 |
| Stillwater | 1990 | Census 1990 | Duplex, triplex and quad | 754 |
| Stillwater | 2000 | Census 2000 | Duplex, triplex and quad | 491 |
| Stillwater | 2010 | Estimates 2010 | Duplex, triplex and quad | 571 |
| Stillwater | 2020 | Estimates 2020 | Duplex, triplex and quad | 317 |
| Stillwater | 2021 | Estimates 2021 | Duplex, triplex and quad | 314 |
| Stillwater | 1990 | Census 1990 | Multifamily (5 units or more) | 561 |
| Stillwater | 2000 | Census 2000 | Multifamily (5 units or more) | 607 |
| Stillwater | 2010 | Estimates 2010 | Multifamily (5 units or more) | 1005 |
| Stillwater | 2020 | Estimates 2020 | Multifamily (5 units or more) | 1387 |
| Stillwater | 2021 | Estimates 2021 | Multifamily (5 units or more) | 1387 |
| Stillwater | 1990 | Census 1990 | Manufactured Home | 0 |
| Stillwater | 2000 | Census 2000 | Manufactured Home | 6 |
| Stillwater | 2010 | Estimates 2010 | Manufactured Home | 0 |
| Stillwater | 2020 | Estimates 2020 | Manufactured Home | 0 |
| Stillwater | 2021 | Estimates 2021 | Manufactured Home | 0 |
| Stillwater | 1990 | Census 1990 | Other (Boat, RV, etc.) | 43 |
| Stillwater | 2000 | Census 2000 | Other (Boat, RV, etc.) | 0 |
| Stillwater | 2010 | Estimates 2010 | Other (Boat, RV, etc.) | 0 |
| Stillwater | 2020 | Estimates 2020 | Other (Boat, RV, etc.) | 13 |
| Stillwater | 2021 | Estimates 2021 | Other (Boat, RV, etc.) | 13 |
| Stillwater | 2020 | Estimates 2020 | Accessory Dwelling Unit | 1 |
| Stillwater | 2021 | Estimates 2021 | Accessory Dwelling Unit | 2 |