Indiana - Area of significance: Politics/Government
| Abel, Elias, House |
| Adams County Courthouse |
| Ade, George, House |
| Akron Historic District |
| Albion Courthouse Square Historic District |
| Anderson-Thompson House |
| Angola Commercial Historic District |
| Argos Izaak Walton League Historic District |
| Aurora City Hall |
| Ball, Judge Cyrus, House |
| Bartholomew County Courthouse |
| Bates-Hendricks House |
| Battle Ground Historic District |
| Bedford Courthouse Square Historic District |
| Benton County Courthouse |
| Bethel A.M.E. Church |
| Birdsall, Mary, House |
| Blackford County Courthouse |
| Blair-Dunning House |
| Bloomington City Hall |
| Bluffton Commercial Historic District |
| Boehne, John W., House |
| Boonville Public Square Historic District |
| Bourbon Commercial Historic District |
| Bremen Commercial Historic District |
| Brookville Historic District |
| Brown County Courthouse Historic District |
| Brownstown Courthouse Square Historic District |
| Cannelton Historic District |
| Carroll County Courthouse |
| Centerville Historic District |
| Chesterton Commercial Historic District |
| Chief Menominee Memorial Site |
| Chief Richardville House and Miami Treaty Grounds |
| Clay County Courthouse |
| Cline, Cyrus and Jennie, House |
| Clinton County Courthouse |
| Columbia City Historic District |
| Columbia Club |
| Columbus City Hall |
| Cooper-Alley House |
| Corydon Historic District |
| Covington Courthouse Square Historic District |
| Crawfordsville Commercial Historic District |
| Crown Point Courthouse Square Historic District |
| Danville Courthouse Square Historic District |
| Daviess County Courthouse |
| Dearborn County Courthouse |
| Decatur County Courthouse |
| Decatur Homesteads |
| Delphi Courthouse Square Historic District |
| de Richardville, Chief Jean-Baptiste, House |
| Dietrich-Bowen House |
| Downtown Lafayette Historic District |
| Downtown LaPorte Historic District |
| Dubois County Courthouse |
| Durbin Hotel |
| Edinburgh Commercial Historic District |
| Elkhart County Courthouse |
| Elmhurst |
| Elston Grove Historic District |
| Elwood Downtown Historic District |
| Evansville Municipal Market |
| Farington's Grove Historic District |
| Fayette County Courthouse |
| Federal Building |
| Fidelity Trust Building |
| Fire House No. 3 |
| Fire House No. 7 |
| Fire Station No. 9 |
| Fletcher Place Historic District |
| Fort Ouiatenon |
| Fort Wayne City Hall |
| Fountain County Clerk's Building |
| Fountain County Courthouse |
| Frankfort Commercial Historic District |
| Franklin Commercial Historic District |
| Fulton County Courthouse |
| Garvin Park |
| Glossbrenner, Alfred M., Mansion |
| Godfroy, Francis, Cemetery |
| Gonnerman, William, House |
| Gowdy, John K., House |
| Graham, William H. H., House |
| Grant County Jail and Sheriff's Residence |
| Greene County Courthouse |
| Greensburg Downtown Historic District |
| Grose, Gen. William, House |
| Hamilton County Courthouse Square |
| Harrison, Benjamin, House |
| Harrison, William Henry, Home (Grouseland) |
| Hartford City Courthouse Square Historic District |
| Hendricks County Jail and Sheriff's Residence |
| Hendricks, Thomas A., Library |
| Henry County Courthouse |
| Hobart Commercial District |
| Hose House No. 10 |
| Hose House No. 12 |
| Huntingburg Town Hall and Fire Engine House |
| Huntington Courthouse Square Historic District |
Data from United States Park Service and Wikidata
