Seneca County, Ohio Basics:
Seneca County Ohio - Government Site
Population: 57,255
Area: 551 square miles
County Seat: Tiffin
Area Code(s) in use: 419
Time Zone: EST
Adjacent counties:
Crawford Hancock Huron Sandusky Wood Wyandot
Seneca County, Ohio
Map of the Seneca County area
Our detail map of Seneca County shows Seneca County, Ohio boundary lines and other interesting items.
Places in Seneca County, Ohio
Airport
Autolite Heliport, Bandit Field Airdrome, Fostoria Metropolitan Airport, Nighswander Field, Seneca County Airport, Tiffin Airport, Weiker Airport
Bend
Scipio Bend
Bridge
Abbots Bridge, Fort Seneca Bridge, Heck Bridge, Saint Johns Bridge
Building
Aigler-Alumni Building, Beeghly Library, Bliss Memorial Public Library, Brenneman Music Hall, Brown Residence Hall, Campus Center, Castle Gymnasium, Center for Honors Program and Global Education, College Hall, Fire Station Number 1, Fire Station Number 2, Fostoria Area Historical Museum, Fostoria Municipal Building, Founders Hall, France Residence Hall, Glass Heritage Gallery, Hoernemann Refectory, Kaubisch Memorial Public Library, King Memorial Residence Hall, Krieg Residence Hall, Miller Residence Hall, Pfleiderer Center for Religion and Humanities, Saint Francis Home, Seiberling Gymnasium, Seneca County Courthouse, Seneca County Home, Seneca County Museum, Sportsman Park, Tiffin City Hall, Tiffin-Seneca Public Library, Williard Residence Hall (historical)
Canal
Aichholz Ditch, Albright Ditch, Armstrong and Beighley Ditch, Arnold Ditch, Beatty Ditch, Betts Ditch, Bleckinger Ditch, Blue Ditch, Bollinger Ditch, Carrick Ditch, Clark Ditch, Coleman Ditch, Crum Ditch, Dewitt Ditch, Eicher Ditch, Emerine Ditch, Hedden Ditch, Henry Ditch, Hepp Ditch, Hisey Ditch, Hooper Ditch, Kagy Ditch, Kern Ditch, Kingseed Ditch, Landes Ditch, Lynch Ditch, McCarty Ditch, Michaels Ditch, Miller Ditch, Noel Ditch, Porter Ditch, Reinhart Ditch, Royer Ditch, Schaaf Ditch, Schmucker Ditch, Schoeffel Ditch, Sherger Ditch, Shriner Ditch, Slee Ditch, Staub Ditch, Voorhies Ditch, Wagner Ditch, Walz Ditch, Westerhouse Ditch, Wickerham Ditch
Cemetery
Adams Lutheran Cemetery, Armstrong Cemetery, Assumption Cemetery, Attica Cemetery, Bare Cemetery, Baugher Cemetery, Bethel Cemetery, Big Spring Cemetery, Block Cemetery, Bloom Township Cemetery, Bloomville Cemetery, Brundedge Cemetery, Bunker Hill Cemetery, Caroline Lutheran Cemetery, Clay Cemetery, Coffman Cemetery, County Home Cemetery, Crissa Cemetery, Dunkard Cemetery, Dysinger Cemetery, East Baseline Baptist Cemetery, Egbert Cemetery, Fairmont Cemetery, Farewell Retreat Cemetery, Feaselburg Cemetery, Fireside Cemetery, Flat Rock Cemetery, Fravel Cemetery, French Town Cemetery, Greenlawn Cemetery, Hopewell Cemetery, Jerusalem Cemetery, Kagy Cemetery, Lay Cemetery, Liberty Cemetery, Loudon Township Cemetery, Lowell Cemetery, McMeen Cemetery, Mennonite Cemetery, Methodist Cemetery, Null Cemetery, Omar Cemetery, Payne Cemetery, Pleasant Ridge Cemetery, Pleasant Union Cemetery, Pleasant View Cemetery, Randall Cemetery, Raymond Cemetery, Reformed Cemetery, Reformed Cemetery, Reisz Cemetery, Rock Creek Cemetery, Rock Creek Cemetery, Saint Andrews Cemetery, Saint Boniface Cemetery, Saint Jacobs Cemetery, Saint Josephs Cemetery, Saint Marys Cemetery, Saint Michaels Cemetery, Saint Patricks Cemetery, Saint Peters Cemetery, Saint Stephens Cemetery, Saints Peter and Paul Cemetery, Sand Ridge Cemetery, Scipio Township Cemetery, Seneca Memory Gardens, Sheller Cemetery, Shiloh Cemetery, Shock Cemetery, Swamp Cemetery, Thompson Center Cemetery, Underhill Cemetery, Union Cemetery, Woodlawn Cemetery, Zion Lutheran Cemetery
Church
Assumption Catholic Church, Bascom United Methodist Church, Bethel Baptist Church, Bethel Evangelical Lutheran Church, Bloomville United Methodist Church, Butternut Ridge Chapel, Calvary Baptist Church, Calvary United Methodist Church, Christian and Missionary Alliance Church, Church of God, Church of the Brethren, Church of the Nazarene, Ebenezer United Methodist Church, Ebenezer United Methodist Church, Faith Tabernacle Pentecostal Church of God, First Baptist Church, First Baptist Church, First Christian Church, First Church of Christ, First Church of Christ Scientist, First Church of the Brethren, First Lutheran Church, First Methodist Church, First Presbyterian Church, First Presbyterian Church, First United Church of Christ, Fort Seneca Community United Church of Christ, Fostoria Church of the Brethren, Foursquare Gospel Tabernacle, Harmony Church, High Street United Methodist Church, Honey Creek Church, Hope Lutheran Church, Hopewell Church, House of Prayer, Kingdom Hall of Jehovahs Witnesses, Melmore United Methodist Church, Memorial Church, Old Fort United Methodist Church, Old Trinity Episcopal Church, Omar Chapel, Pentecostal Church of God (historical), Pilgrim Holiness Church, Pisgah Church, Pleasant Ridge Church, Rehoboth Church, Revival Center, Saint Andrews Catholic Church, Saint Boniface Catholic Church, Saint Jacobs Church, Saint James Church, Saint John the Divine Church, Saint Johns Church, Saint Johns United Church of Christ, Saint Joseph Catholic Church, Saint Marys Catholic Church, Saint Nicholas Catholic Church, Saint Patricks Catholic Church, Saint Pauls Methodist Church (historical), Saint Wendelins Roman Catholic Church, Saints Peter and Paul Church, Second Evangelical and Reformed United Church of Christ, Shiloh Church, South Reed Church, Tiffin Apostolic Church, Tiffin Church of the Nazarene, Tiffin Full Gospel Church (historical), Trinity Episcopal Church, Trinity United Church of Christ, Washington Street United Methodist Church, Zion Lutheran Church, Zion Lutheran Church
Civil
City of Fostoria, City of Tiffin, Seneca County, Township of Adams, Township of Big Spring, Township of Bloom, Township of Clinton, Township of Eden, Township of Hopewell, Township of Jackson, Township of Liberty, Township of Loudon, Township of Pleasant, Township of Reed, Township of Scipio, Township of Seneca, Township of Thompson, Township of Venice
Crossing
Ludwig Ford
Dam
Attica Upground Reservoir Dam, Beaver Creek Upground Reservoir Dam, Mohawk Lake Dam, Tiffin Low Head Dam 1031-007, Tiffin Low Head Dam 1031-008
Hospital
Betty Jane Rehabilitation Center, Mercy Hospital, Tiffin Development Center
Island
Abbotts Island, Duck Island, Middle Island, Mill Island
Lake
Beeghley Lake, Decker Pond (historical), Goose Pond (historical), Grassy Pond, Groves Lake, Morrison Lake
Locale
Camp Glen, Camp Pittenger, Clinton Heights Golf Course, Clinton Lake Campground, Sorrowfull Mother Shrine, Tiffin Camp, Tiffin Mall Shopping Center, Tiffin Water Works, Walnut Grove Campground, Westgate Shopping Center
Park
Downtown Tiffin Historic District, Eells Park, Fort Ball-Railroad Historic District, Hedges Park, Hedges-Boyer Park, Mayer Field, Meadowbrook Park, Nature Trails Park, North Sandusky Street Historic District, Northeast Tiffin Historic District, Oakley Park, Sandusky Scenic River State Access Area, Springville Marsh State Natural Area
Populated Place
Adamsville (historical), Adrian, Alvada, Amsden, Angus, Attica, Attica Junction, Bascom, Berwick, Bettsville, Bloomville, Butternut Ridge (historical), Caroline, Carrothers, Castina (historical), Center, Cooper, Cromers, Elizabethtown (historical), Fireside, Fitz Henry (historical), Flat Rock, Fort Seneca, Fostoria, Frank, Frenchtown, Hedgetown (historical), Hopewell (historical), Iler, Jackson Station (historical), Kansas, Leamansville (historical), Linden (historical), Longley, Lowell, Maple Grove, Melmore, Middleburg (historical), Mohawk (historical), Mount Gilead, New Riegel, Old Fort, Omar, Palo Alto (historical), Raineys (historical), Reedtown, Rehoboth, Republic, Rockaway, Saint Nicholas (historical), Saint Stephens, Scipio, Sheatenhelm (historical), Siam, Springville, Steinerville (historical), Swander, Thomsontown (historical), Tiffin, Trumbo (historical), Watson, Watsons Cross Roads (historical), West Lodi
Post Office
Adams Post Office (historical), Adrian Post Office, Alvada Post Office, Amsden Post Office, Angus Post Office (historical), Attica Post Office, Bascom Post Office, Berwick Post Office (historical), Bettsville Post Office, Big Spring Post Office (historical), Bloom Post Office (historical), Bloomville Post Office, Butternut Ridge Post Office (historical), Caroline Post Office (historical), Carrothers Post Office, Castana Post Office (historical), Cooper Post Office (historical), Eden Post Office (historical), Fireside Post Office (historical), Fitz Henry Post Office (historical), Flat Rock Post Office, Fort Ball Post Office (historical), Fort Seneca Post Office, Fostoria Post Office, Frank Post Office (historical), Green Springs Post Office, Iler Post Office (historical), Jackson Station Post Office (historical), Kansas Post Office, Leamansville Post Office (historical), Lindon Post Office (historical), Loudon Post Office (historical), Maple Grove Post Office, Melmore Post Office, Morris Post Office (historical), New Riegel Post Office, Oakley Post Office (historical), Old Fort Post Office, Omar Post Office (historical), Palo Alto Post Office (historical), Reedtown Post Office (historical), Republic Post Office, Risdon Post Office (historical), Rockaway Post Office (historical), Saint Nicholas Post Office (historical), Saint Stephen Post Office (historical), Saw Mill Post Office (historical), Scipio Siding Post Office (historical), Siam Post Office (historical), South Bloom Post Office (historical), Springville Post Office (historical), Tiffin Post Office, Trumbo Post Office (historical), Watson Post Office (historical), Watsons Cross Roads Post Office (historical), West Lodi Post Office (historical)
Reservoir
Attica Upground Reservoir, Beaver Creek Upground Reservoir, Mohawk Lake, Tiffin Low Head Reservoir 1031-007, Tiffin Low Head Reservoir 1031-008
Ridge
Big Spring Ridge
School
Assumption School, Attica Elementary School, Bettsville Elementary School, Bettsville High School, Bloom Township Elementary School, Bryant School, Butz School (historical), Calvert High School, Center School (historical), Clinton Elementary School, College Hill School, Crabapple School (historical), East Junior High School, Emerson Junior High School, Field Elementary School, Flat Rock Childrens Center, Hamm School (historical), Heidelberg College, Hillis School (historical), Hopewell-loudon School, Kimbal School (historical), Krout Elementary School, Lakota Junior High School, Lehman School (historical), Lincoln Elementary School, Longfellow Elementary School, Lowell Elementary School, McCutchenville Elementary School, Melmore Elementary School, Miami Street Grade School (historical), New Columbian High School, New Riegel Elementary School, New Riegel High School, Noble Elementary School, Old Fort Elementary School, Old Fort High School, Petticord School (historical), Republic Elementary School, Rice School (historical), Riley Elementary School, Rogers School (historical), Saint Andrews School, Saint Boniface School, Saint Joseph School, Saint Marys School, Saint Wendelin School, Sanford School (historical), School Number 1 (historical), School Number 1 (historical), School Number 12 (historical), School Number 2 (historical), School Number 2 (historical), School Number 3 (historical), School Number 3 (historical), School Number 3 (historical), School Number 4 (historical), School Number 4 (historical), School Number 4 (historical), School Number 5 (historical), School Number 6 (historical), School Number 6 (historical), School Number 7 (historical), School Number 8 (historical), School Number 9 (historical), Tiffin Business College, Wagner School (historical), Washington Elementary School, West Junior High School, Whittier School, Worm School (historical)
Spring
Rockwell Spring
Stream
Beaver Creek, Bells Run, Brandt Creek, Brokenknife Creek, Buckeye Creek, East Branch East Branch Wolf Creek, East Branch Rock Creek, Emerson Creek, Gibson Creek, Harrison Creek, Hog Run, Honey Creek, Middle Branch East Branch Wolf Creek, Mile Run, Morrison Creek, Owl Creek, Plum Run, Rock Creek, Silver Creek, Snuff Creek, Spicer Creek, Sugar Creek, Van Meter Creek, Willow Creek
Summit
Loves Hill
Swamp
Brushs Swamp (historical), Coes Swamp (historical), New Haven Marshes (historical)
Tower
WFOB-AM (Fostoria), WHEI-FM (Tiffin), WLCO-FM (Clyde), WTTF-AM (Tiffin), WTTF-FM (Tiffin)
Valley
Herolds Hollow
| Race | Population |
| White |  54,985 |
| Black | 1,153 |
| Mixed | 704 |
| Asian | 275 |
| American Indian | 134 |
| Hawaiian & Pacific Islander | 4 |
| Additional population tables : | |
| State population table | |
| Ohio population by county | |