State · National Register of Historic Places

Idaho

1,093 listed places across 44 counties, 12 of them National Historic Landmarks.

1,093
Listings
12
National Historic Landmarks
125
Historic districts
44
Counties with listings

14 cities in Idaho with a page of listings → · 2 of them have walking tours

By county

Ada 168Bear Lake 92Jerome 65Latah 59Canyon 45Kootenai 45Idaho 43Lincoln 42Twin Falls 40Custer 38Nez Perce 33Bonneville 32Washington 31Bannock 30Shoshone 26Elmore 25Valley 25Blaine 23Bonner 19Bingham 17Payette 15Lemhi 15Fremont 14Power 13Gooding 13Owyhee 13Gem 10Franklin 10Boundary 9Clearwater 9Adams 8Benewah 8Caribou 8Oneida 8Cassia 7Jefferson 6Teton 5Butte 5Boise 4Clark 4Minidoka 4Lewis 3Madison 3Camas 1

Built by decade

1890s 331900s 541910s 621920s 31

Landmarks

Landmark · Boise
Assay Office
National Historic LandmarkListed 1966
Landmark · Fort Hall
Fort Hall
National Historic LandmarkListed 1966
Landmark · Arco
Experimental Breeder Reactor No. 1
National Historic LandmarkListed 1966
Landmark · Almo
City of Rocks
National Historic LandmarkListed 1966

National Historic Landmarks

Assay OfficeNHL1966
Bear River BattlegroundNHL1973
Camas Meadow Camp and Battle SitesNHL1989
Cataldo MissionNHL1966
City of RocksNHL1966
Experimental Breeder Reactor No. 1NHL1966
Fort HallNHL1966
Lemhi PassNHL1966
Lolo TrailNHL1966
Strategic Air Command Ground Alert Facility, Mountain Home Air Force BaseNHL2023
Strategic Air Command Ground Alert Facility, Mountain Home Air Force BaseNHL2023
Weippe PrairieNHL1966

Most viewed on Wikipedia

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Listed places in this state ranked by Wikipedia article views. The figure is the monthly average from June to August 2026.

  1. 1
    Roosevelt School
    Building · Coeur d'Alene
    695
  2. 2
    U.S. Inspection Station–Porthill, Idaho
    Building · Porthill
    452
  3. 3
    Boise High School Campus
    Building · Boise
    437
  4. 4
    St. John's Cathedral
    Building · Boise
    366
  5. 5
    Meetinghouse
    Building · Chesterfield
    317

Counts come from the Wikimedia pageviews API.

Newest listings

Full weekly list →
  • 2026-10-01
    Parma State BankParma
  • 2026-10-01
    University of Idaho Historic DistrictMoscow
  • 2026-10-01
    Weiser High School Gymnasium & AuditoriumWeiser
  • 2026-09-14
    Elk Summit Ranger Station; Elk Summit Guard StationPowell

Idaho travel guides

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Titles come from Open Library's catalog, matched by subject heading or by title.