Sir yn nhalaith Tennessee, Unol Daleithiau America yw Jefferson County. Cafodd ei henwi ar ôl Thomas Jefferson. Sefydlwyd Jefferson County, Tennessee ym 1792 a sedd weinyddol y sir (a elwir weithiau'n 'dref sirol' neu'n 'brifddinas y sir') yw Dandridge.
Mae ganddi arwynebedd o 814 cilometr sgwâr. Allan o'r arwynebedd hwn, y canran o ffurfiau dyfrol, megis llynnoedd ac afonydd, yw 13% . Yn ôl cyfrifiad y wlad, poblogaeth y sir yw: 54,683 (1 Ebrill 2020)[1]. Mewn cymhariaeth, yn 2016 roedd poblogaeth Caerdydd yn 361,462 a Rhyl tua 26,000.[2]
Mae'n ffinio gyda Hamblen County, Cocke County, Sevier County, Knox County, Grainger County. Ceir 9 cylchfa amser yn UDA, ac mae'r sir hon yn perthyn i'r cylchfa amser a elwir yn Cylchfa Amser y Dwyrain. Cedwir rhestr swyddogol o henebion ac adeiladau cofrestredig y sir yn: National Register of Historic Places listings in Jefferson County, Tennessee.
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Map o leoliad y sir o fewn Tennessee |
Lleoliad Tennessee o fewn UDA
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Ceir sawl sir o’r un enw gan gynnwys:
- Jefferson County, Alabama
- Jefferson County, Arkansas
- Jefferson County, Colorado
- Jefferson County, Efrog Newydd
- Jefferson County, Florida
- Jefferson County, Georgia
- Jefferson County, Gorllewin Virginia
- Jefferson County, Idaho
- Jefferson County, Illinois
- Jefferson County, Indiana
- Jefferson County, Iowa
- Jefferson County, Kansas
- Jefferson County, Kentucky
- Jefferson County, Mississippi
- Jefferson County, Missouri
- Jefferson County, Montana
- Jefferson County, Nebraska
Mae gan y sir yma boblogaeth o tua 54,683 (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 Tennessee |
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| Davidson County, Williamson County, Cheatham County, Robertson County, Shelby County, Anderson County, Bedford County, Blount County, Bradley County, Campbell County, Cannon County, Carroll County, Carter County, Chester County, Claiborne County, Clay County, Cocke County, Coffee County, Crockett County, Cumberland County, Decatur County, DeKalb County, Dickson County, Dyer County, Fayette County, Gibson County, Giles County, Grainger County, Greene County, Grundy County, Hamblen County, Hamilton County, Hancock County, Hardeman County, Hardin County, Hawkins County, Haywood County, Benton County, Bledsoe County, Fentress County, Franklin County, Henderson County, Henry County, Hickman County, Houston County, Humphreys County, Jackson County, Jefferson County, Johnson County, Knox County, Lake County, Lauderdale County, Lawrence County, Lewis County, Lincoln County, Loudon County, McMinn County, McNairy County, Macon County, Madison County, Marion County, Marshall County, Maury County, Meigs County, Monroe County, Montgomery County, Moore County, Morgan County, Obion County, Overton County, Perry County, Pickett County, Polk County, Putnam County, Rhea County, Roane County, Rutherford County, Scott County, Sequatchie County, Sevier County, Smith County, Stewart County, Sullivan County, Sumner County, Tipton County, Trousdale County, Unicoi County, Union County, Van Buren County, Warren County, Washington County, Wayne County, Weakley County, White County, Wilson County |
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