Sir yn nhalaith Idaho, Unol Daleithiau America yw Washington County. Cafodd ei henwi ar ôl George Washington. Sefydlwyd Washington County, Idaho ym 1879 a sedd weinyddol y sir (a elwir weithiau'n 'dref sirol' neu'n 'brifddinas y sir') yw Weiser, Idaho.
Mae ganddi arwynebedd o 3,817.64 cilometr sgwâr. Allan o'r arwynebedd hwn, y canran o ffurfiau dyfrol, megis llynnoedd ac afonydd, yw 1.4% . Yn ôl cyfrifiad y wlad, poblogaeth y sir yw: 10,500 (1 Ebrill 2020)[1]. Mewn cymhariaeth, yn 2016 roedd poblogaeth Caerdydd yn 361,462 a Rhyl tua 26,000.[2]
Mae'n ffinio gyda Adams County, Gem County, Payette County, Malheur County, Baker County.
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Map o leoliad y sir o fewn Idaho |
Lleoliad Idaho o fewn UDA
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Ceir sawl sir o’r un enw gan gynnwys:
- Washington County, Alabama
- Washington County, Arkansas
- Washington County, Colorado
- Washington County, Efrog Newydd
- Washington County, Florida
- Washington County, Georgia
- Washington County, Gogledd Carolina
- Washington County, Idaho
- Washington County, Illinois
- Washington County, Indiana
- Washington County, Iowa
- Washington County, Kansas
- Washington County, Kentucky
- Washington County, Maine
- Washington County, Maryland
- Washington County, Minnesota
- Washington County, Mississippi
Trefi mwyaf
Mae gan y sir yma boblogaeth o tua 10,500 (1 Ebrill 2020)[1]. Dyma rai o'r dinasoedd, trefi neu gymunedau mwyaf poblog y sir:
Rhestr Wicidata:
Diwedd y rhestr a gynhyrchwyd yn otomatig o Wicidata.
Taleithiau Unol Daleithiau America |
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| Alabama, Alaska, Arizona, Arkansas, Califfornia, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, Mecsico Newydd, Efrog Newydd, Gogledd Dakota, Gogledd Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, De Dakota, De Carolina, Tennessee, Texas, Utah, Vermont, Virginia, Washington, Gorllewin Virginia, Wisconsin, Wyoming, District of Columbia, Samoa America, Ynysoedd Americanaidd y Wyryf, Guam, Ynysoedd Gogledd Mariana, Puerto Rico |
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Siroedd (a phrif drefi) o fewn talaith Idaho |
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| Ada County, Adams County, Bannock County, Bear Lake County, Benewah County, Bingham County, Blaine County, Boise County, Bonner County, Bonneville County, Boundary County, Butte County, Camas County, Canyon County, Caribou County, Cassia County, Clark County, Clearwater County, Custer County, Elmore County, Franklin County, Fremont County, Gem County, Gooding County, Idaho County, Jefferson County, Jerome County, Kootenai County, Latah County, Lemhi County, Lewis County, Lincoln County, Madison County, Minidoka County, Nez Perce County, Oneida County, Owyhee County, Payette County, Power County, Shoshone County, Teton County, Twin Falls County, Valley County, Washington County |
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