Hardin County Ohio - Government Site
Population: 31,966
Area: 470 square miles
County Seat: Kenton
Area Code(s) in use: 419 937
Time Zone: EST
Adjacent counties:
Allen Auglaize Hancock Logan Marion Union Wyandot
Airport
Ada Airport, Eibling Circle E Airport, Hardin Airport, Hardin County Airport, Hardin Memorial Hospital Heliport, Heilman Airport
Building
Ada Town Hall, Brookhart Hall, Brown Library, Clark Hall, Dukes Memorial Hall, Elzay Gallery of Art, Founders Hall, Freed Center for the Performing Arts, Friendship Grange Hall, H S Lehr Memorial Hall, Hardin County Courthouse, Hardin County Home, Hardin County Jail, Hardin County Library, Heterick Memorial Library, Huber Memorial Hall, J Otis Young Philosophy and Religion Building, John H Taft Gymnasium, John Wesley Hill Senior Memorial Hall, Kenton City Hall, King-Horn Center, Lehr-Kennedy House, Lima Hall, Maglott Hall, McIntosh Center, Park Hall, Presser Hall, Robert W Biggs Engineering Building, Roberts Hall, Robertson-Evans Pharmacy Building, Samuel L Meyer Hall of Science, Stambaugh Hall, Taft Memorial Hall, Tilton Hall of Law, Turner Hall, Wesley Center, Wilson Art Building
Canal
Cooney Ditch, Cottonwood Ditch, Fitzhugh Ditch, Hog Creek Ditch, Liggitt Ditch, Lord Ditch, Number 28 Ditch, Number Twentyeight Ditch, Poe Ditch, Scioto River Ditch
Cemetery
Bailey Cemetery, Bowdle Cemetery, Candler Cemetery, Carman Cemetery, Cessna Cemetery, Dola Cemetery, Dunkirk Cemetery, Fairview Cemetery, Fisher Cemetery, Fulton Cemetery, Grant Cemetery, Grove Cemetery, Hale Cemetery, Hastings Cemetery, Hinkle Cemetery, Hueston Cemetery, Huntersville Cemetery, Lee Cemetery, Lynn Grove Cemetery, Maysville Cemetery, McArthur Cemetery, McClure Cemetery, McElroy Cemetery, McKendree Cemetery, Morrison Cemetery, Mount Pleasant Cemetery, Mount Victory Cemetery, New Roundhead Cemetery, Norman Cemetery, Old Fairview Cemetery, Old Roundhead Cemetery, Otterbein Cemetery, Patterson Cemetery, Pleasant Hill Cemetery, Potters Field, Preston Cemetery, Price Cemetery, Rutledge Cemetery, Saint Johns Cemetery, Saint Marys Cemetery, Shadley Cemetery, Sieg Cemetery, Sloan-Yelverton Cemetery, Smith Cemetery, Woodlawn Cemetery
Church
Ark of the Covenant Church, Blanchard River Church, Calvary Baptist Church, Calvary Tabernacle, Central Church of Christ, Church of God, Church of the Nazarene, Community Christian Fellowship Church, Cornerstone Christian Fellowship Church, Deeper Life Church of Christ, Eleventh Hour Tabernacle United Pentecostal Church, Epworth United Methodist Church, Eureka Church, Fairview Church, First Baptist Church, First Baptist Church, First Baptist Church, First Christian Church, First Church of Christ, First Church of God, First Methodist Church, First Presbyterian Church, First Presbyterian Church, First Presbyterian Church, First Reformed United Church of Christ, First United Methodist Church, Foraker Church, Forest United Methodist Church, Foursquare Gospel Church, Grace Gospel Church, Hopewell Church, House of Prayer Pentecostal Church of God, Immaculate Conception Church, Kenton Baptist Temple, Kenton Church, Maplegrove Church (historical), Mount Pleasant Church of God, Mount Zion Church, Oak Harbor Church, Oakgrove Church (historical), Otterbein Church, Our Lady of Lourdes Roman Catholic Church, Our Saviors Lutheran Church, Payne Chapel African Methodist Episcopal Church, Pleasant Hill Methodist Church, Quickstep Pentecostal Church of God, Roundhead United Methodist Church, Saint Johns Church, Saint Johns United Church of Christ, Saint Marks Lutheran Church, Saint Pauls Church, Salem Church, Sugar Grove Church, Trinity United Presbyterian Church, Union Chapel, Wesleyan Methodist Church, West Creek Church, Wolf Creek Church
Civil
Hardin County, Township of Blanchard, Township of Buck, Township of Cessna, Township of Dudley, Township of Goshen, Township of Hale, Township of Jackson, Township of Liberty, Township of Lynn, Township of Marion, Township of McDonald, Township of Pleasant, Township of Roundhead, Township of Taylor Creek, Township of Washington
Dam
Ziegler Pond Dam
Hospital
Hardin Memorial Hospital, San Antonio Hospital
Locale
Ada Water Treatment Plant, Hardin County Fairgrounds, Kenton Shopping Plaza, Kings Corners
Military (Historical)
Fort McArthur (historical)
Mine
Hardin Quarry, Herzog Quarry
Park
C E Wharton Memorial Park, Kenton Courthouse Square Historic District, North Main-North Detroit Street Historic District, Pioneer Park, Robinson Field, Saulisberry Park, Veterans Memorial Park
Populated Place
Ada, Alger, Blanchard, Blocktown (historical), Bridgeport, Browns Crossroads, Dola, Dunkirk, Foraker, Forest, Geneva (historical), Grange (historical), Grant, Grassy Point, Hardy (historical), Hepburn, Huntersville, Jumbo, Jump, Kenton, Marshs (historical), McDonald (historical), McGoldricks Town (historical), McGuffey, McVitty, Mentzer, Mount Victory, Otterbein, Patterson, Peru (historical), Pfeiffer, Pleasant Dale (historical), Quickstep, Ridgeway, Roundhead, Saint Michaels (historical), Silver Creek, Walnut Grove, Walton, Yelverton
Post Office
Ada Post Office, Alger Post Office, Blanchard Post Office (historical), Dempster Post Office (historical), Dola Post Office, Dudley Post Office (historical), Dunkirk Post Office (historical), Foraker Post Office (historical), Forest Post Office, Grant Post Office (historical), Grassy Point Post Office (historical), Hardy Post Office (historical), Hepburn Post Office (historical), Holden Post Office (historical), Huntersville Post Office (historical), Jumbo Post Office (historical), Jump Post Office (historical), Kenton Post Office, McDonald Post Office (historical), McGuffey Post Office, McVictory Post Office, Patterson Post Office, Pfeiffer Post Office (historical), Ridgeway Post Office, Robbertson Post Office (historical), Round Head Post Office (historical), Roundhead Post Office, Silvercreek Post Office (historical), Yelverton Post Office (historical)
Reservoir
Lake Idlewild, Neiheiser Lake, Ziegler Pond
School
Ada Elementary School, Ada High School, Alger Elementary School, Allinger School (historical), Amish School, Amish School, Bateson School (historical), Beech Grove School (historical), Beech Grove School (historical), Black and White School (historical), Breese School (historical), Brush College (historical), Bryant School (historical), Buckeye School (historical), Central School (historical), Champion School (historical), College School (historical), Compromise School (historical), Derrs School (historical), Dunn School (historical), Eagle School (historical), East Lynn School (historical), Eastcrest Elementary School, Elder Creek School (historical), Ellis Junior High School, Elmwood School (historical), Enterprise School (historical), Espy Elementary School, Eureka School (historical), Eureka School (historical), Fairview School (historical), Fariview School (historical), Flynn School (historical), Forest Christian Pre-School, Forest Elementary School, Georgetown School (historical), Graystone School (historical), Greenleaf School (historical), Greenwood School (historical), Hampton School (historical), Hardin Central Elementary School, Hardin Northern School, Harmony School (historical), Henpeck School (historical), Hickory Grove School (historical), Hinkle School (historical), Independent School (historical), Jones School (historical), Kenton High School, Kingsley School (historical), Klinger School (historical), Lawrence School (historical), Liberty School (historical), Linwood School (historical), Lone Oak School (historical), Lynn Valley School (historical), Maple Grove School (historical), McDonald School (historical), McWiggin School (historical), Miller School (historical), Mustard School (historical), Norman School (historical), North Main Street Public School (historical), North School (historical), Northwood Elementary School, Oak Harbor School (historical), Oaklief Elementary School, Ohio Northern University, Opossum School (historical), Pfeiffer School (historical), Pisgah School (historical), Pleasant Grove School (historical), Pleasant Hill School (historical), Pleasant Hill School (historical), Pleasant Valley School (historical), Red School (historical), Rice School (historical), Ridgemont Elementary School, Ridgemont High School, Rising Sun School (historical), Roberts School (historical), Roundhead Elementary School, Rush Creek School (historical), Rushville School (historical), Saint Anthonys School, Salem School (historical), Schertzger School (historical), Schingle School (historical), Scioto School (historical), Shadyvale School (historical), Shiloh School (historical), Spring Grove School (historical), Street School (historical), Sycamore School (historical), Taylor Creek School (historical), Thompson School (historical), Upper Scioto Valley High School, Ward School (historical), Warren G Harding College of Law, Westview Elementary School, Wildcat School (historical), Wolf Creek School (historical), Woodlawn School (historical)
Stream
Ash Run, Batchlet Run, Borders Run, Cessna Creek, Dunlap Creek, Elder Creek, Flat Branch, Fourmile Run, Gander Run, Garwood Run, Grass Creek, Jims Creek, Jordan Run, Little Riley Creek, Manlove Run, McCoy Run, North Wildcat Creek, Panther Creek, Pawpaw Run, Payden Run, Ripley Run, Silver Creek, South Wildcat Creek, Taylor Creek, The Outlet, Twin Branches, Wolf Creek
Summit
Anstine Hill
Swamp
Hog Creek Marsh (historical), Scioto Marsh (historical)
Tower
WKTN-FM (Kenton)
| Race | Population |
| White |  31,109 |
| Mixed | 290 |
| Black | 288 |
| Asian | 197 |
| American Indian | 81 |
| Hawaiian & Pacific Islander | 1 |
| Additional population tables : | |
| State population table | |
| Ohio population by county | |