National Historic Register properties in Mahaska county/parish, Iowa

• Vander Wilt Farmstead Historic District (Leighton)
• Bridge near New Sharon (New Sharon)
• North Skunk River Bridge (New Sharon)
• Alsop, Carroll, House (Oskaloosa)
• Berry, Dr. William E. and Ethel Rosenberger, House (Oskaloosa)
• Conover, Thomas J., House (Oskaloosa)
• Edmundson Park Historic District (Oskaloosa)
• Eveland Bridge (Oskaloosa)
• Forest Cemetery Entrance (Oskaloosa)
• Gibbs, E. H., House (Oskaloosa)
• Hoffman, Phil, House (Oskaloosa)
• Iowa Yearly Meeting House-College Avenue Friends Church (Oskaloosa)
• Johnson, William A. and Ida C., House (Oskaloosa)
• Klose, Dr. William H. and Mae R., House (Oskaloosa)
• Lake Keomah State Park, Bathhouse-Lodge Area (Area A) (Oskaloosa)
• Lake Keomah State Park, Erosion Control Area (Area B) (Oskaloosa)
• Lamberson, Jack, House (Oskaloosa)
• Lincoln School (Oskaloosa)
• Mahaska County Courthouse (Oskaloosa)
• McMullin, Maj. James W., House (Oskaloosa)
• McNeill, W.A., House (Oskaloosa)
• Nelson, Daniel, House and Barn (Oskaloosa)
• Oskaloosa City Hall (Oskaloosa)
• Oskaloosa City Park and Band Stand (Oskaloosa)
• Oskaloosa City Square Commercial Historic District (Oskaloosa)
• Oskaloosa Fire Station (Oskaloosa)
• Oskaloosa Monthly Meeting of Friends Parsonage (Oskaloosa)
• Oskaloosa Post Office (Oskaloosa)
• Oskaloosa Public Library (Oskaloosa)
• Paradise Block Historic District (Oskaloosa)
• Penn College Historic District (Oskaloosa)
• Pierson-Betts House (Oskaloosa)
• President's Cottage (Oskaloosa)
• Rock Island Passenger Depot (Oskaloosa)
• Russell, Chuck and Emily, House (Oskaloosa)
• Seeberger-Loring-Kilburn House (Oskaloosa)
• Shoemake, John H., House (Oskaloosa)
• Smith-Johnson House (Oskaloosa)
• Spring Creek Friends Cemetery (Oskaloosa)
• Spring Creek Meeting House-H Street Mission (Oskaloosa)
• Spurgin Residence (Oskaloosa)
• St. James Episcopal Church (Oskaloosa)
• Stock Judging Pavilion (Oskaloosa)
• Stokes, Dr. Ella, House (Oskaloosa)
• Stranahan, Prof. Edgar H. and Irene D., House (Oskaloosa)
• Ulysses Simpson Grant Elementary School (Oskaloosa)
• Voorhees, John K., House (Oskaloosa)
• Vermeer, Gary J. and Matilda, Farmstead (Pella)
• Rose Hill Methodist Episcopal Church (Rose Hill)
• Bellefountain Bridge (Tracy)