State · National Register of Historic Places

Iowa

2,559 listed places across 99 counties, 30 of them National Historic Landmarks.

2,559
Listings
30
National Historic Landmarks
397
Historic districts
99
Counties with listings

33 cities in Iowa with a page of listings → · 7 of them have walking tours

By county

Scott 298Polk 211Linn 128Johnson 97Dubuque 88Jackson 77Woodbury 64Clayton 56Henry 54Madison 54Black Hawk 51Lee 50Mahaska 49Cerro Gordo 49Pottawattamie 44Muscatine 40Winneshiek 38Story 37Des Moines 35Hardin 35Wapello 32Clinton 32Jefferson 29Fayette 29Jones 29Marion 29Poweshiek 26Allamakee 23Van Buren 22Cedar 21Floyd 20Buchanan 20Washington 19Montgomery 19Boone 19Dallas 19Carroll 19Marshall 18Greene 17Benton 17Jasper 17Webster 16Lucas 16Crawford 15Delaware 15Audubon 15Bremer 14Sac 13Harrison 13Tama 13Appanoose 13Shelby 13Calhoun 13Warren 13Franklin 13Plymouth 12Davis 12Cherokee 12Dickinson 12Mitchell 12Monona 11Keokuk 11Monroe 11Iowa 11Cass 11Buena Vista 11Lyon 10Adair 10Louisa 10Page 9Clay 9Fremont 9Wright 9Hancock 9Clarke 8Hamilton 8Howard 8Guthrie 8Decatur 7Humboldt 7Butler 7Taylor 7Worth 6Ringgold 6Union 6Kossuth 6Ida 5Adams 5Mills 5Sioux 4Winnebago 4Palo Alto 4Wayne 4Chickasaw 4Grundy 3O Brien 3Pocahontas 3Emmet 3Osceola 1

Built by decade

1850s 551860s 431870s 531880s 811890s 721900s 821910s 811920s 361930s 26

Landmarks

Landmark · Bloomfield
Weaver, James B., House
National Historic LandmarkListed 1975
Landmark · Clarinda
Hepburn, Col. William Peters, House
National Historic LandmarkListed 1973
Landmark · Council Bluffs
Dodge, Grenville M., House
National Historic LandmarkListed 1966
Landmark · Ames
Knapp-Wilson House
National Historic LandmarkListed 1966

National Historic Landmarks

Blood Run SiteNHL1970
Davis Oriole Earthlodge SiteNHL2012
Grenville M. Dodge HouseNHL1966
Dubuque County JailNHL1972
Dubuque Trading Post-Village of Kettle Chief Archeological DistrictNHL1988
Fort Des Moines Provisional Army Officer Training SchoolNHL1974
Geo. M. VerityNHL1989
Col. William Peters Hepburn HouseNHL1973
Herbert Hoover National Historic SiteNHL1966
Rev. George B. Hitchcock HouseNHL1977
Indian Village SiteNHL1966
Kimball Village SiteNHL2016
Knapp-Wilson HouseNHL1966
LonestarNHL1989
Merchants' National BankNHL1976
Show all 30 landmarks
Mines of Spain Lead Mining Community Archeological DistrictNHL1988
Old CapitolNHL1972
Phipps SiteNHL1966
Pottawattamie County Jail and Sheriff’s ResidenceNHL2023
Reeve Electric Association PlantNHL2024
Sergeant FloydNHL1989
Sergeant Floyd MonumentNHL1966
Surf BallroomNHL2021
Terrace HillNHL2003
Toolesboro Mound GroupNHL1966
Upper South HotelNHL1966
Van Allen StoreNHL1976
James B. Weaver HouseNHL1975
William M. Black (dredge)NHL1982
Woodbury County CourthouseNHL1973

Most viewed on Wikipedia

Every state →

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

  1. 1
    Upper South Hotel
    Building · Middle Amana
    5,392
  2. 2
    Dibble House
    Building · Eldon
    2,075
  3. 3
    Surf Ballroom
    Building · Clear Lake
    1,834
  4. 4
    Grotto of the Redemption
    Structure · West Bend
    1,640
  5. 5
    Josiah B. and Sara Moore House
    Building · Villisca
    1,424

Counts come from the Wikimedia pageviews API.

Newest listings

Full weekly list →
  • 2026-10-15
    Lincoln SchoolBoone
  • 2026-10-15
    Mills County Sheriff’s Residence and JailGlenwood
  • 2026-10-15
    Crescent Park SchoolSioux City
  • 2026-10-14
    Iowa City Municipal Airport TerminalIowa City
  • 2026-09-29
    Earlham Downtown Historic DistrictEarlham
  • 2026-07-01
    Chautauqua Park and Ridgewood Historic DistrictAmes
  • 2026-06-25
    Maytag Plant No. 1 Historic DistrictNewton
  • 2026-05-29
    Pilot RockCherokee

Guidebooks to historic places and travel in Iowa

We earn a small commission if you buy through these links. It does not change what we list.

  • Archaeological Guide to Iowa
    William E. Whittaker and Lynn M. Alex, 2015
    Find at Bookshop.org
  • WPA Guide to Iowa
    Federal writers' project, 2013
    Find at Bookshop.org
  • Grant Wood's Iowa
    Wende Elliott and William Rose, 2013
    Find at Bookshop.org

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