| Number | County | Town | Size | Built | Verif | GPS | Description |
| ID-01-01 | Ada | Boise | 35' | 1948 | In Boise. Collister Dr. N. 0.75 miles from jct with State St, E. on Rowell Dr. 150' to the house on the S. side of the road at 4721. True round barn. Converted to a house in the 1970s by Rod Day. (N43 39.613 W116 14.868) | ||
| ID-05-01 | Benewah | St. Maries | 1980 | 06-2011 | N47 14.153 W116 29.530 | S. of St. Maries. ID3 S. 7.7 miles from jct with ID3 (3rd St.) in St. Maries to the barn on the W. side of the road. True round barn, unpainted vertical siding, dormer over main entrance, small open cupola. (7-3-20 From Bob Kroeger: Town Historian Priscilla told Bob the bldg was built in 1980 to house old cars & it was never used as a barn.) | |
| ID-08-01 | Boise | Idaho City | 2005 | 06-2005 | N43 49.32 W115 50.53 | In Idaho City. ID21 SW 0.5 miles from jct with Main St. in Idaho City to the house on the S. side of the road at 3839. | |
| ID-22-?1 | Fremont | Island Park | 90' x 40' | E. of Island Park. Lodge & Reunion Center, true round bldg, dome roof. (N44 23.420 W111 18.523) | |||
| ID-23-?1 | Gem | Emmett | 1987 | In Emmett. True round school, dome. (N43 51.842 W116 30.520) | |||
| ID-23-?2 | Emmett | 1987 | In Emmett. True round school, dome. (N43 51.811 W116 30.534) | ||||
| ID-23-?3 | Emmett | 1987 | In Emmett. True round school, dome. (N43 51.789 W116 30.574) | ||||
| ID-23-?4 | Emmett | 1987 | In Emmett. True round school, dome. (N43 51.779 W116 30.560) | ||||
| ID-23-?5 | Emmett | 1987 | In Emmett. True round school, dome. (N43 51.776 W116 30.579) | ||||
| ID-28-01 | Kootenai | Post Falls | 06-2002 | --GONE-- N47 42.968 W116 53.628 | In Post Falls. At the NE corner of ID41 & Mullan Av. American Legion Post 143, true round building, cone roof, excellent condition. [Don Burnell] | ||
| ID-40-01 | Shoshone | Kellogg | 06-2014 | N47 32.180 W116 06.800 | In Kellogg. Cameron Av. E. 0.3 miles from jct with Division St. to the bldg on the N. side of the road at 300. Miners Hat Realty, true round bldg, red horizontal siding, miners hat roof, no cupola. |