| Building |
Address |
| Anderson House, Lewistown, Montana | 1015 W. Watson |
| Ayers House | 316 Eighth Ave. S |
| Bright House | 707 W. Boulevard |
| Clark-Cardwell House | 523 W. Watson |
| Fergus County High School | 412 6th Ave., S. |
| Fergus County Improvement Corporation Dormitory | 216 7th St., S. |
| First Presbyterian Church, Lewistown, Montana | 215 Fifth Ave. S |
| House at 301 Eighth Avenue, South | 301 Eighth Ave. S |
| House at 324 W. Corcoran | 324 W. Corcoran |
| House at 618 West Janeaux | 618 W. Janeaux |
| House at 805 W. Watson | 805 W. Watson |
| House at 809 W. Watson | 809 W. Watson |
| House at 813 W. Watson | 813 W. Watson |
| Huntoon Residence | 722 W. Water |
| Judith Place Historic District | Roughly bounded by Main St., the alley between Hawthorne andRidgelawn Sts., Washington St., and Oullette St. |
| Lewis House, Lewistown, Montana | 702 W. Boulevard |
| Lewistown Carnegie Library | 701 W. Main St. |
| Lewistown Central Business Historic District | Roughly bounded by Washington St., 1st Ave., Janeaux St., and 8th Ave. |
| Lewistown Courthouse Historic District | Roughly bounded by Washington St., 6th Ave., Main and Broadway Sts. |
| Lewistown Merchantile Company | 220 E. Main |
| Lewistown Silk Stocking District | Roughly bounded by 2nd Ave., Boulevard and Washington Sts. and 3rd Ave. |
| Masonic Temple, Lewistown, Montana | 322 W. Broadway St. |
| Schroeder Hospital | 502 Fifth Ave. S. |
| St. James Episcopal Church and Parish House | 502 W. Montana St. |
| St. Joseph's Hospital, Lewistown, Montana | U.S. 87 |
| St. Leo's Catholic Church | 124 W. Broadway |
| US Post Office and Federal Building--Lewistown | 204 Third Ave. N |
| Buildings of Local Significance |
Address |
| Anderson House, Lewistown, Montana | 1015 W. Watson |
| Ayers House | 316 Eighth Ave. S |
| Bright House | 707 W. Boulevard |
| Clark-Cardwell House | 523 W. Watson |
| Fergus County High School | 412 6th Ave., S. |
| Fergus County Improvement Corporation Dormitory | 216 7th St., S. |
| First Presbyterian Church, Lewistown, Montana | 215 Fifth Ave. S |
| House at 301 Eighth Avenue, South | 301 Eighth Ave. S |
| House at 324 W. Corcoran | 324 W. Corcoran |
| House at 618 West Janeaux | 618 W. Janeaux |
| House at 805 W. Watson | 805 W. Watson |
| House at 809 W. Watson | 809 W. Watson |
| House at 813 W. Watson | 813 W. Watson |
| Huntoon Residence | 722 W. Water |
| Judith Place Historic District | Roughly bounded by Main St., the alley between Hawthorne andRidgelawn Sts., Washington St., and Oullette St. |
| Lewis House, Lewistown, Montana | 702 W. Boulevard |
| Lewistown Carnegie Library | 701 W. Main St. |
| Lewistown Central Business Historic District | Roughly bounded by Washington St., 1st Ave., Janeaux St., and 8th Ave. |
| Lewistown Courthouse Historic District | Roughly bounded by Washington St., 6th Ave., Main and Broadway Sts. |
| Lewistown Merchantile Company | 220 E. Main |
| Lewistown Silk Stocking District | Roughly bounded by 2nd Ave., Boulevard and Washington Sts. and 3rd Ave. |
| Masonic Temple, Lewistown, Montana | 322 W. Broadway St. |
| Schroeder Hospital | 502 Fifth Ave. S. |
| St. James Episcopal Church and Parish House | 502 W. Montana St. |
| St. Leo's Catholic Church | 124 W. Broadway |