Defiance County Ohio - Government Site
Population: 39,091
Area: 411 square miles
County Seat: Defiance
Area Code(s) in use: 419
Time Zone: EST
Adjacent counties:
Allen (IN) De Kalb (IN) Henry Paulding Putnam Williams
Airport
Arend Airport, Blevins Airport, Defiance Memorial Airport, Rogers Airport, Rose Field
Bridge
Clarksville Bridge
Building
Defiance County Childrens Home, Defiance County Courthouse, Defiance County Home, Defiance Hall, Defiance Public Library, Fountain Manor Nursing Home, Johnson Memorial Library, McReynolds Hall, Schauffler Hall, Tenzer Hall, Whitney Hall
Canal
Amaden Ditch, Dowe Ditch, Foulks Ditch, Greens Ditch, Jackson Ditch, Mattock Ditch, Melissa Ditch, Peter Grube Ditch, Stevens Ditch, Tanby Ditch
Cemetery
Bethlehem Lutheran Cemetery, Blair Cemetery, Brunersburg Cemetery, Catholic Cemetery (historical), Colby Cemetery, Cromley Cemetery, Defiance County Children Home Cemetery, Defiance County Home Cemetery, Doll Cemetery, Domersville Cemetery, Evansport Cemetery, Farmer Cemetery, Forest Home Cemetery, Foster Cemetery, Frazee Cemetery, Funk Cemetery, Glore Cemetery, Hill Cemetery, Hill Cemetery, Hire Cemetery, Hohenberger Cemetery, Independence Cemetery, Kahol Cemetery, Kent Cemetery, Kibble Cemetery, Lentz Cemetery, Lost Creek Cemetery, Mansfield Cemetery, Marysdale Catholic Cemetery, McCauley Cemetery, Moats Cemetery, Myers Cemetery, New Saint Johns Methodist Cemetery, New Saint Stephens Catholic Cemetery, Ney Cemetery, Noble and Tiffin Cemetery, Old Evansport Cemetery, Old Forest Home Cemetery, Old Presbyterian Cemetery, Old Saint Johns Methodist Cemetery, Old Saint Stephens Lutheran Cemetery, Pleasant Bend and Ayersville Cemetery, Poplar Ridge Cemetery, Presbyterian Cemetery (historical), Riverside Cemetery, Riverview Memory Gardens, Rohn Cemetery, Saint Johns Lutheran Cemetery, Saint Marks Lutheran Cemetery, Saint Michaels Catholic Cemetery, Saint Stephens Cemetery, Saint Stephens Cemetery, Sherwood Cemetery, Shoemaker Cemetery, Six Corners Cemetery, Spindler Cemetery, Tamarack Cemetery, Taylor Cemetery, Tittle Cemetery, Trinity Cemetery, Zion Lutheran Cemetery
Church
Agape Lighthouse Church, Apostolic United Pentecostal Church, Assembly of God Church, Ayersville United Methodist Church, Bethel Christian Assembly Church, Bethel Spanish Church, Bethlehem Evangelical Lutheran Church, Bethlehem Lutheran Church, Church of Christ, Church of God, Defiance Church of the Brethren, Defiance Church of the Nazarene, Defiance Seventh Day Adventist Church, Dry Creek United Brethren Church (historical), Emanuel Church, Evangelical Church, Faith Tabernacle, First Assembly of God Church, First Baptist Church, First Church of Christ, First Church of Christ, First Evangelical Methodist Church, First Mennonite Church, First Pilgrim Holiness Church, First Presbyterian Church, First Presbyterian Church, Grace Episcopal Church, Grace United Methodist Church, Grove Street Church of God, Hard Corners Methodist Church (historical), Hicksville Mennonite Church, Highland Church (historical), Iglesia De Dios, Immaculate Conception Catholic Church, Independence United Methodist Church, Jewell United Brethren Church (historical), Kingdom Hall of Jehovahs Witnesses, Logan Church, Lost Creek Mennonite Church, Mark Center United Methodist Church, Marysdale Church, Missionary Church of Christ, Ney Church of God, Ney United Methodist Church, North Delaware Church, Olive Branch Church, Poplar Ridge Church of the Brethren, Saint John Lutheran Church, Saint John United Church of Christ, Saint John's Lutheran Church, Saint Johns Catholic Church, Saint Johns Church, Saint Johns Lutheran Church, Saint Mark's Lutheran Church, Saint Marys Catholic Church, Saint Michaels Catholic Church, Saint Michaels Catholic Church, Saint Paul Lutheran Church, Saint Pauls Episcopal Church, Saint Pauls United Methodist Church, Saint Stephens Church, Second Baptist Church, Seventh Day Adventist Church, The Church of Jesus Christ of Latter Day Saints, Trinity United Methodist Church, United Brethren Church of Six Corners (historical), United Methodist Church of Evansport, West Milford Church, Zion Lutheran Church
Civil
Defiance County, Township of Adams, Township of Defiance, Township of Delaware, Township of Farmer, Township of Hicksville, Township of Highland, Township of Mark, Township of Milford, Township of Noble, Township of Richland, Township of Tiffin, Township of Washington
Dam
Camp Lakota Boy Scout Lake Dam, Independence Dam, Kettenring Hills Dam, Kohart Lake Dam, Oxbow Lake Dam, Stevens Pond Dam, Toledo Edison Power Dam
Hospital
Community Memorial Hospital, Defiance Hospital
Island
Preston Island
Lake
Big Lake, Ladd Lake, Little Lake
Locale
Camp Lacota, Hickory Hills Golf Course, Northtowne Mall Shopping Center, Papaik Shopping Center, Sun Rise Plaza Shopping Center
Military (Historical)
Fort Defiance (historical)
Park
Bronson Park, Compo Park, Defiance County Fairgrounds, Diehl Park, Fred Brown Stadium, Holgate Avenue Historic District, Independence Dam State Park, Island Park, Justin F Coressel Stadium, Kingsberry Park, Latty Grove Park, Legion Field, Oldfort Defiance Park, Oxbow Lake State Wildlife Area, Pontiac Park, Riverside Park, Rotary Park, Second Ward Park, Tecumseh Park
Populated Place
Adams Ridge, Arrowsmiths (historical), Ashwood (historical), Ayersville, Brunersburg, Cicero (historical), Clarksville (historical), Defiance, Domerville (historical), Evansport, Farmer, Glenburg (historical), Hicksville, Independence, Jewell, Lawtonville (historical), Logan, Mark Center, McCauleys (historical), Midway (historical), Millport (historical), Milo (historical), Moats, Nebo (historical), Ney, Oakland (historical), Rosedale, Sherwood, Six Corners, Snooksville (historical), Southerton, The Bend, Whites Mills (historical), Williamstown, Wilseyville (historical)
Post Office
Adams Ridge Post Office (historical), Arrowsmiths Post Office (historical), Ashwood Post Office (historical), Ayersville Post Office (historical), Brunersburg Post Office (historical), Cicero Post Office (historical), Cup Post Office (historical), Defiance Post Office, Domerville Post Office (historical), Evansport Post Office, Farmer Post Office, Foss Post Office (historical), Glenburg Post Office (historical), Hicksville Post Office, Jero Post Office (historical), Jewell Post Office, Mark Center Post Office, Mark Post Office (historical), McCauleys Post Office (historical), Milldale Post Office (historical), Milo Post Office (historical), Moats Post Office (historical), Nebo Post Office (historical), Ney Post Office, Sherwood Post Office, Snookville Post Office (historical), The Bend Post Office (historical), Westburgh Post Office (historical), White City Post Office (historical), Wilseyville Post Office (historical)
Reservoir
Camp Lakota Boy Scout Lake, Defiance Reservoir, Independence Reservoir, Kettenring Hills Lake, Kohart Lake, Oxbow Lake, Stevens Pond
School
Anthony Wayne Elementary School, Ayersville Elementary School, Ayersville High School, Brickell Elementary School, Case School (historical), Central School (historical), Chapman School (historical), Clarksville School (historical), Coffin School (historical), Crary School (historical), Defiance College, Defiance High School, Defiance Junior High School, Dickey School (historical), Fairview High School, Fairview Junior High School, Farmer Elementary School, Glenwood School (historical), Good Samaritan School, Greens School (historical), Hart School (historical), Hesse Cassel School (historical), Hicksville Elementary School, Hicksville High School, Koder School (historical), Lost Creek School (historical), Mark Center High School (historical), Mark Elementary School, Mason School (historical), McCartney School (historical), Milford Center School (historical), Mock School (historical), Ney Junior High School (historical), Noble Township Elementary School, Oliver School (historical), Platter Creek School (historical), Pleasant Point School (historical), Pleasant Ridge School (historical), Richland Adams School, Ridenour School (historical), Saint Johns School, Saint Johns School, Saint Johns School (historical), Saint Marys School, Saint Michaels School (historical), School Number 1 (historical), School Number 1 (historical), School Number 1 (historical), School Number 10 (historical), School Number 2 (historical), School Number 2 (historical), School Number 3 (historical), School Number 3 (historical), School Number 4 (historical), School Number 4 (historical), School Number 5 (historical), School Number 5 (historical), School Number 6 (historical), School Number 6 (historical), School Number 6 (historical), School Number 8 (historical), School Number 8 (historical), School Number 9 (historical), School Number 9 (historical), School Number 9 (historical), Shady Corner School (historical), Sherwood Elementary School, Shoestring School (historical), Slocum Elementary School, Spencer Elementary School, Spion School (historical), Tamarack School (historical), Tiffin Elementary School, Tinora Elementary School, Tinora High School, Township High School, Township High School, West Milford School (historical), Wonderly School (historical)
Stream
Auglaize River, Barnes Creek, Beetree Run, Big Run, Black Creek, Buckskin Creek, Coon Creek, Crooked Creek, Doty Run, Dry Creek, Eagle Creek, Fivemile Creek, Gordon Creek, Hogback Run, Lick Creek, Little Lick Creek, Lost Creek, Middle Fork Gordon Creek, Mill Creek, Mud Creek, North Fork Gordon Creek, North Powell Creek, Platter Creek, Powell Creek, Prairie Creek, Preston Run, Racetrack Run, Snooks Run, South Fork Gordon Creek, South Powell Creek, Sulphur Creek, Threemile Creek, Tiffin River, Wagner Run, Webb Run, Willow Run
Tower
WDFM-FM (Defiance), WONW-AM (Defiance), WZOM-FM (Defiance)
| Race | Population |
| White |  37,738 |
| Black | 763 |
| Mixed | 322 |
| Asian | 144 |
| American Indian | 113 |
| Hawaiian & Pacific Islander | 11 |
| Additional population tables : | |
| State population table | |
| Ohio population by county | |