Illinois - Area of significance: Social History
| Kimball, William W., House |
| Kirk, Col. Edward N., House |
| Kosciuszko Park Field House |
| LaHarpe Historic District |
| Larkin Home for Children |
| Lathrop, Bryan, House |
| Lawson, Victor F., House YMCA |
| LeClaire Historic District |
| Lemont Methodist Episcopal Church |
| Library Hall |
| Lincoln Colored Home |
| Lincoln Park |
| Lincoln Park Lily Pool |
| Lincoln Public Library |
| Little Brick House |
| Lloyd, Henry Demarest, House |
| Lock and Dam No. 13 Historic District |
| Lock and Dam No. 15 Historic District |
| Lock and Dam No. 17 Historic District |
| Lock and Dam No. 18 Historic District |
| Lock and Dam No. 21 Historic District |
| Lovejoy, Owen, Homestead |
| Marine Chapter House |
| Mark, Caroline, House |
| Martin, Sarah, House |
| Maverick Lloyd, Lola, House |
| Mayfair Apartments |
| McAuley School District No. 27 |
| McWorter, Free Frank, Grave Site |
| Midwest Athletic Club |
| Millville Town Site |
| Morgan-Wells House |
| Muhammad, The Honorable Elijah, House |
| Murphysboro Masonic Lodge No. 498 A.F & A.M |
| Nachusa House |
| Narodni Sin |
| New Piasa Chautauqua Historic District |
| Noble-Seymour-Crippen House |
| Oak Park Village Hall |
| Old Town Triangle Historic District |
| Original Springs Hotel and Bathhouse |
| Oughton, John R., House |
| Our Lady of Lourdes Parish |
| Pacesetter Gardens Historic District |
| Palmer Park |
| Paris Elks Lodge No. 812 Building |
| Parlin Library |
| Pemberton Hall and Gymnasium |
| Peoria State Hospital |
| Peoria Waterworks |
| Pere Marquette Hotel |
| Pilsen Historic District |
| Pine Grove Community Club |
| Plainfield Halfway House |
| Pleasant Home |
| Poinsetta Apartments |
| Polo Independent Order of Odd Fellows Lodge No. 197 |
| Portage Park |
| Prairie Avenue District |
| Princeton Chapter House |
| Proctor, John C., Recreation Center |
| Promontory Point |
| Pullman Historic District |
| Quincy National Cemetery |
| Quinn Chapel of the A.M.E. Church |
| Raymond M. Hilliard Center Historic District |
| Riis, Jacob A., Park |
| Riverside Landscape Architecture District |
| Riverview Historic District |
| Rockford Woman’s Club |
| Rosenwald Apartment Building |
| Rubens Rialto Square Theater |
| Rutherford, Dr. Hiram, House and Office |
| Ryerson, Edward L., Area Historic District |
| Salem Baptist Church |
| Saline County Poor Farm |
| Sandwich City Hall |
| Scott-Vrooman House |
| Shakespeare Garden |
| Sherman Park |
| Shoreland Hotel |
| Shriver Farmstead |
| Smith, A. Herr and E. E., Public Library |
| Soldier's Monument |
| Soldiers' Monument |
| South Shore Country Club |
| South Side Community Art Center |
| Spafford, Amos Catlin, House |
| Stacy's Tavern |
| Sterling Masonic Temple |
| Steuben Club, The |
| Stevenson House |
| Stewart, Minnie, House |
| Stone Temple Baptist Church |
| Streator Public Library |
| Swedish Club of Chicago |
| Table Grove Community Church |
| Taylorville Chautauqua Auditorium |
| Tri-Taylor Historic District |
| Turkey Hill Grange Hall |
Data from United States Park Service and Wikidata
