County |
Established |
Parent
Counties |
Co. Seat;
Cities
(not all inclusive) |
IGS
Quarterly |
Ada |
12/22/1864 |
Boise |
Boise;
Eagle, Garden City, Kuna, Meridian, Star |
Fall
2001 |
Adams |
03/03/1911 |
Washington |
Council;
Fruitvale, Indian Valley, Mesa, New Meadows |
Fall/Winter
1999 |
Alta* |
03/03/1891;
Abol’d 1891 |
Alturas;
became Blaine |
|
|
Alturas* |
1864;
Abol’d 1895 |
Original |
Rocky
Bar, Hailey |
|
Bannock |
03/06/1893 |
Bingham |
Pocatello;
Chubbuck, Downey, Lava Hot Springs, McCammon, Inkom,
Arimo, Swan Lake |
|
Bear Lake |
01/05/1875 |
Oneida |
Paris;
Bern, Bloomington, Fish Haven, Georgetown, Montpelier,
St. Charles |
|
Benewah |
01/13/1915 |
Kootenai |
Saint
Maries; Plummer, Santa, Fernwood, Tensed, Chacolet,
Desmet, Emida |
Summer
1997 |
Bingham |
01/13/1885 |
Oneida |
Blackfoot;
Aberdeen, Basalt, Firth, Ft. Hall, Shelley, Moreland,
Presto |
Fall
1996 |
Blaine |
03/05/1895 |
Alturas |
Hailey;
Bellevue, Carey, Gannett, Ketchum, Picabo, Sun Valley |
Winter
2002 |
Boise |
02/04/1864 |
Original |
Idaho
City; Garden Valley, Horseshoe Bend |
Winter
2000 |
Bonner |
02/21/1907 |
Kootenai |
Sandpoint;
Sagle, Cocolalla, Ponderay, Hope, Clark Fork, Priest
Lake |
Winter
1996/ Spring 1997 |
Bonneville |
02/07/1911 |
Bingham |
Idaho
Falls; Ammon, Iona, Irwin, Osgood, Ririe
(part)
Swan Valley,
Ucon |
Winter
1995 & Spring 2006 |
Boundary |
01/23/1915 |
Bonner |
Bonners
Ferry; Eastport, Moyie Springs, Naples, Porthill |
|
Butte |
02/06/1917 |
Bingham,
Blaine & Jefferson |
Arco;
Butte City, Moore |
Fall
2004 |
Camas |
02/06/1917 |
Blaine |
Fairfield;
Soldier, Corral, Camas |
Fall
2002 |
Canyon |
03/07/1891 |
Ada |
Caldwell;
Greenleaf, Melba, Middleton, Nampa, Notus, Parma, Wilder |
Summer
2001 |
Caribou |
02/11/1919 |
Bannock |
Soda
Springs; Bancroft, Freedom, Grace, Wayan |
|
Cassia |
02/20/1879 |
Owyhee |
Burley;
Albion, Almo, Declo, Elba, Malta, Oakley |
Summer
2004 |
Clark |
02/01/1919 |
Fremont |
Dubois;
Spencer |
|
Clearwater |
02/27/1911 |
Nez
Perce |
Orofino;
Ahsahka, Elk River, Pierce, Weippe |
Winter
1997 |
Custer |
01/08/1881 |
Alturas,
Lemhi |
Challis;
Clayton, Lost River, Mackay, Stanley |
Summer
2000 |
Elmore |
02/07/1889 |
Alturas |
Mountain
Home; Atlanta, Featherville, Glenns Ferry, Hammett,
King Hill, Rocky Bar |
Winter
2001 |
Franklin |
01/20/1913 |
Oneida |
Preston;
Clifton, Dayton, Franklin, Oxford, Weston, Whitney |
|
Fremont |
03/04/1893 |
Bingham |
St.
Anthony; Ashton, Drummond, Island Park, Newdale, Parker,
Teton, Warm River |
Summer/Fall
2005 |
Gem |
03/15/1915 |
Boise,
Canyon |
Emmett;
Letha, Ola, Sweet |
Spring
2001 |
Gooding |
01/28/1913 |
Lincoln |
Gooding;
Bliss, Hagerman, Wendell |
Summer
2002 |
Idaho |
02/04/1864 |
Original |
Grangeville;
Cottonwood, Ferdinand, Kooskia, Riggins, Stites, Whitebird |
Summer
1999 |
Jefferson |
02/18/1913 |
Fremont |
Rigby;
Hamer, Lewisville, Menan, Mud Lake, Ririe, Roberts |
Spring
2005 |
Jerome |
02/08/1919 |
Gooding,
Lincoln |
Jerome;
Eden, Hazelton |
Summer
2003 |
Kootenai |
12/22/1864 |
Nez
Perce |
Coeur
d’Alene; Athol, Dalton Gardens, Harrison, Hayden Lake,
Post Falls, Rathdrum, Spirit Lake, Stateline, Worley |
|
Latah |
05/14/1888 |
Nez
Perce |
Moscow;
Bovill, Deary, Genesee, Juliaetta, Kendrick, Onaway,
Potlatch, Troy, Viola |
Spring
1997 |
Lemhi |
01/09/1869 |
Idaho |
Salmon;
Leadore |
Fall
2000 |
Lewis |
03/03/1911 |
Nez
Perce |
Nezperce;
Craigmont, Kamiah, Reubens, Winchester |
Fall
1998 |
Logan* |
02/07/1889
Abol’d 1895 |
Alturas;
became Blaine and Lincoln |
Bellevue |
|
Lincoln |
03/18/1895 |
Alturas,
Blaine |
Shoshone;
Dietrich, Richfield |
Spring
2003 |
Madison |
02/18/1913 |
Fremont |
Rexburg;
Sugar City |
2007 |
Minidoka |
01/28/1913 |
Lincoln |
Rupert;
Acequia, Heyburn, Minidoka, Paul |
Fall
2003 |
Nez Perce |
02/04/1864 |
Original |
Lewiston;
Culdesac, Lapwai, Peck, Spalding |
Summer
1998 |
Oneida |
01/22/1864 |
Original |
Malad
City; Holbrook |
Spring
2008 |
Owyhee |
12/31/1863 |
Original |
Murphy;
Bruneau, Grand View, Homedale, Marsing, Riddle |
Spring
2002 |
Payette |
02/28/1917 |
Canyon |
Payette;
Fruitland, New Plymouth |
Summer/Fall/
Winter 2006 |
Power |
01/30/1913 |
Bingham,
Blaine & Oneida |
American
Falls; Arbon, Rockland, Neeley |
|
Shoshone |
02/04/1864 |
Original |
Wallace;
Kellogg, Mullan, Osburn, Pinehurst, Smelterville, Wardner,
Avery, Clarkia |
Fall
1997 |
Teton |
01/26/1915 |
Madison |
Driggs;
Victor, Tetonia |
|
Twin Falls |
02/21/1907 |
Cassia |
Twin
Falls; Buhl, Castleford, Filer, Hansen, Kimberly, Murtaugh |
Summer
1996 & Spring 2004 |
Valley |
02/26/1917 |
Idaho,
Boise |
Cascade;
Donnelly, McCall, Warm Lake, Yellow Pine |
Spring
2000 |
Washington |
02/20/1879 |
Boise |
Weiser;
Cambridge, Midvale |
Spring
1996 |
|
|
|
|
|
*Information
on Alta, Alturas and Logan Counties available at the
Idaho State Historical Society’s Public Archives and
Research Library. See Reference Series No. 112 |
|