Jefferson County, Washington
Sir yn nhalaith Washington, Unol Daleithiau America yw Jefferson County. Cafodd ei henwi ar ôl Thomas Jefferson. Sefydlwyd Jefferson County, Washington ym 1852 a sedd weinyddol y sir (a elwir weithiau'n 'dref sirol' neu'n 'brifddinas y sir') yw Port Townsend, Washington.
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| Math | sir  |
|---|---|
| Enwyd ar ôl | Thomas Jefferson |
| Prifddinas | Port Townsend, Washington |
| Poblogaeth | 32,977 |
| Sefydlwyd |
|
| Daearyddiaeth | |
| Gwlad |  Unol Daleithiau America |
| Arwynebedd | 5,655 km² |
| Talaith | Washington |
| Yn ffinio gyda | Island County, Kitsap County, Mason County, Grays Harbor County, Clallam County, San Juan County, Capital Regional District |
| Cyfesurynnau | 47.84°N 123.58°W |
 | |
Mae ganddi arwynebedd o 5,655 cilometr sgwâr. Allan o'r arwynebedd hwn, y canran o ffurfiau dyfrol, megis llynnoedd ac afonydd, yw 17% . Yn ôl cyfrifiad y wlad, poblogaeth y sir yw: 32,977 (1 Ebrill 2020)[1]. Mewn cymhariaeth, yn 2016 roedd poblogaeth Caerdydd yn 361,462 a Rhyl tua 26,000.[2]
Mae'n ffinio gyda Island County, Kitsap County, Mason County, Grays Harbor County, Clallam County, San Juan County, Capital Regional District. Cedwir rhestr swyddogol o henebion ac adeiladau cofrestredig y sir yn: National Register of Historic Places listings in Jefferson County, Washington.
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| Map o leoliad y sir o fewn Washington |
Lleoliad Washington o fewn UDA |
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
Trefi mwyaf Golygu
Mae gan y sir yma boblogaeth o tua 32,977 (1 Ebrill 2020)[1]. Dyma rai o'r dinasoedd, trefi neu gymunedau mwyaf poblog y sir:
Rhestr Wicidata:
| Tref neu gymuned | Poblogaeth | Arwynebedd |
|---|---|---|
| Port Townsend, Washington | 9113[3][4] 10148[5][6] |
9.46 19.05 24.498424[3] |
| Irondale, Washington | 3476 3580[3][4] 3983[6] |
20.082704[7] 7.8 20.082702[3] |
| Port Ludlow | 1968 2603[3][4] 2959[6] |
36.568857[7][3] 14.1 |
| Nordland, Washington | 844[3][4] 995[6] |
16.317484[7] 6.3 16.317483[3] |
| Brinnon | 803 797[3][4] 907[6] |
25.46672[7] 9.86 25.543335[3] |
| Quilcene | 591 596[3][4] 598[6] |
23.833183[7] 9.2 23.833189[3] |
Cyfeiriadau Golygu
- ↑ 1.0 1.1 https://data.census.gov/cedsci/table?t=Populations%20and%20People&g=0100000US,%241600000&y=2020. Cyfrifiad yr Unol Daleithiau 2020. golygydd: Biwro Cyfrifiad yr Unol Daleithiau. dyddiad cyrchiad: 1 Ionawr 2022.
- ↑ statswales.gov.wales; adalwyd 25 Mawrth 2020.
- ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 2010 U.S. Gazetteer Files
- ↑ 4.0 4.1 4.2 4.3 4.4 4.5 https://data.census.gov/cedsci/table?g=0100000US%241600000&y=2010&d=DEC%20Redistricting%20Data%20%28PL%2094-171%29
- ↑ https://www.census.gov/quickfacts/fact/table/porttownsendcitywashington/POP010220
- ↑ 6.0 6.1 6.2 6.3 6.4 6.5 https://data.census.gov/cedsci/table?t=Populations%20and%20People&g=0100000US,%241600000&y=2020
- ↑ 7.0 7.1 7.2 7.3 7.4 2016 U.S. Gazetteer Files