This is a list of properties and historic districts in Iowa that are listed on the National Register of Historic Places. There are listings in all of Iowa's 99 counties, adding up to over 2,300 total.
+ Contents: Counties in Iowa (links in italic lead to a new page) Adams | Allamakee | Appanoose | Audubon | Benton | Black Hawk | Boone | Bremer | Buchanan | Buena Vista | Butler | Calhoun | Carroll | Cass | Cedar | Cerro Gordo | Cherokee | Chickasaw | Clarke | Clay | Clayton | Clinton | Crawford | Dallas | Davis | Decatur | Delaware | Des Moines | Dickinson | Dubuque | Emmet | Fayette | Floyd | Franklin | Fremont | Greene | Grundy | Guthrie | Hamilton | Hancock | Hardin | Harrison | Henry | Howard | Humboldt | Ida | Iowa | Jackson | Jasper | Jefferson | Johnson | Jones | Keokuk | Kossuth | Lee | Linn | Louisa | Lucas | Lyon | Madison | Mahaska | Marion | Marshall | Mills | Mitchell | Monona | Monroe | Montgomery | Muscatine | O'Brien | Osceola | Page | Palo Alto | Plymouth | Pocahontas | Polk | Pottawattamie | Poweshiek | Ringgold | Sac | Scott | Shelby | Sioux | Story | Tama | Taylor | Union | Van Buren | Wapello | Warren | Washington | Wayne | Webster | Winnebago | Winneshiek | Woodbury | Worth | Wright
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Current listings by county The following are approximate tallies of current listings by county. These counts are based on entries in the National Register Information Database as of April 24, 2008 and new weekly listings posted since then on the National Register of Historic Places web site. There are frequent additions to the listings and occasional delistings and the counts here are approximate and not official. New entries are added to the official Register on a weekly basis.Weekly List Actions, National Register of Historic Places website Also, the counts in this table exclude boundary increase and decrease listings which modify the area covered by an existing property or district and which carry a separate National Register reference number. The numbers of NRHP listings in each county are documented by tables in each of the individual county list-articles.
County # of Sites 1 Adair 10 2 Adams 4 3 Allamakee 22 4 Appanoose 13 5 Audubon 15 6 Benton 16 7 Black Hawk 50 8 Boone 17 9 Bremer 12 10 Buchanan 20 11 Buena Vista 11 12 Butler 7 13 Calhoun 13 14 Carroll 18 15 Cass 11 16 Cedar 18 17 Cerro Gordo 47 18 Cherokee 13 19 Chickasaw 3 20 Clarke 8 21 Clay 9 22 Clayton 55 23 Clinton 32 24 Crawford 13 25 Dallas 18 26 Davis 12 27 Decatur 7 28 Delaware 14 29 Des Moines 36 30 Dickinson 12 31 Dubuque 85 32 Emmet 3 33 Fayette 29 34 Floyd 20 35 Franklin 12 36 Fremont 9 37 Greene 17 38 Grundy 3 39 Guthrie 8 40 Hamilton 8 41 Hancock 9 42 Hardin 35 43 Harrison 13 44 Henry 53 45 Howard 7 46 Humboldt 6 47 Ida 5 48 Iowa 11 49 Jackson 76 50 Jasper 18 51 Jefferson 29 52 Johnson 95 53 Jones 29 54 Keokuk 10 55 Kossuth 6 56 Lee 48 57 Linn 125 58 Louisa 10 59 Lucas 16 60 Lyon 10 61 Madison 54 62 Mahaska 49 63 Marion 29 64 Marshall 19 65 Mills 6 66 Mitchell 11 67 Monona 11 68 Monroe 11 69 Montgomery 19 70 Muscatine 40 71 O'Brien 3 72 Osceola 1 73 Page 9 74 Palo Alto 4 75 Plymouth 11 76 Pocahontas 3 77.1 Polk: Des Moines 190 77.2 Polk: Other 15 77.3 Polk: Total 205 78 Pottawattamie 42 79 Poweshiek 25 80 Ringgold 5 81 Sac 13 82.1 Scott: Davenport: Downtown 57 82.2 Scott: Davenport: East 91 82.3 Scott: Davenport: West 110 82.4 Scott: Davenport: Duplicates (2)The Vander Veer Park Historic District is split between east and west Davenport. The Davenport Downtown Commercial Historic District is split between downtown and west Davenport. 82.5 Scott: Other 31 82.6 Scott: Total 287 83 Shelby 13 84 Sioux 4 85 Story 38 86 Tama 13 87 Taylor 7 88 Union 6 89 Van Buren 20 90 Wapello 31 91 Warren 11 92 Washington 19 93 Wayne 4 94 Webster 16 95 Winnebago 3 96 Winneshiek 34 97 Woodbury 62 98 Worth 6 99 Wright 8 (duplicates) (4)Effigy Mounds National Monument is split between Allamakee and Clayton counties; Le Grand Bridge (1896) is split between Marshall and Tama counties; County Line Bridge is split between Louisa and Washington counties; Bridgeport Bridge is split between Des Moines and Lee counties Total: 2,488
Adair County
Adams County
Former listing
Allamakee County
Appanoose County
Audubon County
Benton County
Black Hawk County
Boone County
Bremer County
Buchanan County
Buena Vista County
Butler County
Calhoun County
Carroll County
Cass County
Cedar County
Cerro Gordo County
Cherokee County
Chickasaw County
Former listing
Clarke County
Former listing
Clay County
Clayton County
Clinton County
Crawford County
Dallas County
Davis County
Decatur County
Delaware County
Des Moines County
Dickinson County
Dubuque County
Emmet County
Fayette County
Floyd County
Franklin County
Fremont County
Greene County
Grundy County
Guthrie County
Former listings
Hamilton County
Hancock County
Hardin County
Harrison County
Henry County
Howard County
Former listing
Humboldt County
Former listing
Ida County
Former listings
Iowa County
Jackson County
Jasper County
Jefferson County
Johnson County
Jones County
Keokuk County
Kossuth County
Former listings
Lee County
Linn County
Louisa County
Former listing
Lucas County
Lyon County
Madison County
Mahaska County
Marion County
Marshall County
Mills County
Mitchell County
Monona County
Monroe County
Montgomery County
Muscatine County
O'Brien County
Osceola County
Page County
Palo Alto County
Plymouth County
Pocahontas County
Polk County
Pottawattamie County
Poweshiek County
Ringgold County
Former listings
Sac County
Scott County
Shelby County
Sioux County
Story County
Tama County
Taylor County
Union County
Van Buren County
Wapello County
Warren County
Washington County
Wayne County
Webster County
Winnebago County
Former listings
Winneshiek County
Woodbury County
Worth County
Wright County
See also
List of National Historic Landmarks in Iowa List of historical societies in Iowa
References