Decatur County Kansas - Government Site
Population: 3,120
Area: 894 square miles
County Seat: Oberlin
Area Code(s) in use: 785
Time Zone: CST
Adjacent counties:
Furnas (NE) Graham Hitchcock (NE) Norton Rawlins Red Willow (NE) Sheridan Thomas
Airport
Oberlin Municipal Airport, R and D Aerial Spraying Airport
Building
Decatur County Rural Fire Department 1, Jennings Fire Department, Norcatur Volunteer Fire Department, Oberlin Fire Department
Cemetery
Bassettville Cemetery, Big Timber Cemetery, Cedar Bluffs Cemetery, Clayton Cemetery, Hawkeye Cemetery, Jackson Cemetery, Jennings Cemetery, Kanona Cemetery, Mennonite Cemetery, Redman Cemetery, Saint Johns Cemetery, Saint Johns Cemetery, Shibboleth Cemetery, Shirley Cemetery, Traer Cemetery, Vallonia Cemetery, White Cemetery
Church
Lund Church, Olive Chapel (historical), Prairie Chapel, Saint Johns Church (historical), Sherman Chapel, Shibboleth Church (historical)
Civil
City of Oberlin, Decatur County, Township of Allison, Township of Altory, Township of Bassettville, Township of Beaver, Township of Center, Township of Cook, Township of Custer, Township of Dresden, Township of Finley, Township of Garfield, Township of Grant, Township of Harlan, Township of Jennings, Township of Liberty, Township of Lincoln, Township of Logan, Township of Lyon, Township of Oberlin, Township of Olive, Township of Pleasant Valley, Township of Prairie Dog, Township of Roosevelt, Township of Sappa, Township of Sherman, Township of Summit
Locale
Bassetville (historical), Decatur (historical), Hawkeye (historical), Hooker (historical), Jackson (historical), Lund (historical), Price Ranch, Sheffield (historical), Shibboleth (historical), Stapp Ranch, Stephen (historical), Vallonia (historical)
Oilfield
Olive Oil Field, Pollnow Oil Field, Warner Oil Field
Park
Oberlin-Sappa State Park
Populated Place
Allison, Cedar Bluffs, Dresden, Jennings, Kanona, Leoville, Lyle, Norcatur, Oberlin, Traer
Reservoir
Morrison Lake
School
Addleman School (historical), Bassettville School (historical), Decatur Community High School, Decatur Community Junior High School, Jennings Elementary School, Jennings High School, Lund School, Lyle School (historical), Mount Pleasant School (historical), Norcatur Elementary School, North Valley School (historical), Oberlin Elementary School, OToole School (historical), Plainview School, Prairie Belle School (historical), School Number 11 (historical), School Number 203 (historical), Sherman Center School (historical), Spring Branch School (historical), Star School (historical), Sunnyslope School (historical), Vallonia School (historical), Vickers School (historical), Violenta School (historical), Welsh School (historical)
Stream
Big Timber Creek, Cotton Creek, Johnson Draw, North Fork Prairie Dog Creek, North Fork Sappa Creek, South Fork Sappa Creek, Spring Branch
Tower
KFNF-FM (Oberlin)
Valley
Rock Draw
| Race | Population |
| White |  3,059 |
| Mixed | 25 |
| Black | 21 |
| Hawaiian & Pacific Islander | 6 |
| Asian | 5 |
| American Indian | 4 |
| Additional population tables : | |
| State population table | |
| Kansas population by county | |