Washington County, Oregon
 | |
| Math | sir  |
|---|---|
| Enwyd ar ôl | George Washington |
| Prifddinas | Hillsboro |
| Poblogaeth | 600,372 |
| Sefydlwyd |
|
| Gefeilldref/i | Yichang |
| Daearyddiaeth | |
| Gwlad |  Unol Daleithiau America |
| Arwynebedd | 1,880 km² |
| Talaith | Oregon |
| Yn ffinio gyda | Clatsop County, Columbia County, Multnomah County, Clackamas County, Yamhill County, Tillamook County |
| Cyfesurynnau | 45.56°N 123.09°W |
 | |
Sir yn nhalaith Oregon, Unol Daleithiau America yw Washington County. Cafodd ei henwi ar ôl George Washington. Sefydlwyd Washington County, Oregon ym 1843 a sedd weinyddol y sir (a elwir weithiau'n 'dref sirol' neu'n 'brifddinas y sir') yw Hillsboro.
Mae ganddi arwynebedd o 1,880 cilometr sgwâr. Allan o'r arwynebedd hwn, y canran o ffurfiau dyfrol, megis llynnoedd ac afonydd, yw 0.3% . Yn ôl cyfrifiad y wlad, poblogaeth y sir yw: 600,372 (1 Ebrill 2020)[1]. Mewn cymhariaeth, yn 2016 roedd poblogaeth Caerdydd yn 361,462 a Rhyl tua 26,000.[2]
Mae'n ffinio gyda Clatsop County, Columbia County, Multnomah County, Clackamas County, Yamhill County, Tillamook County.
 |
|
| Map o leoliad y sir o fewn Oregon |
Lleoliad Oregon o fewn UDA |
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 600,372 (1 Ebrill 2020)[1]. Dyma rai o'r dinasoedd, trefi neu gymunedau mwyaf poblog y sir:
Rhestr Wicidata:
| Tref neu gymuned | Poblogaeth | Arwynebedd |
|---|---|---|
| Hillsboro | 106447[3] | 64.738407[4] 61.928483[5] |
| Beaverton | 97494[3] | 50.563936[4] 48.505329[5] |
| Tigard | 54539[3] | 33.03009[4] 30.603114[5] |
| Aloha | 53828[3] | 19.062307[4] 19.082551[5] |
| Lake Oswego | 40731[3] | 29.546586[4] |
| Bethany | 31350[3] | 14.096363[4] 13.322964[5] |
| Tualatin | 27942[3] | 21.170084[4] 21.30115[6] |
| Forest Grove | 26225[3] | 15.549466[4] 15.211796[5] |
| Sherwood | 20450[3] | 11.168432[4] 11.17392[5] |
| Cedar Mill | 17259[3] | 8.579105[4] 8.599119[5] |
| Cornelius | 12694[3] | 5.192647[4] 5.192644[5] |
| Oak Hills | 11903[3] | 4.052168[4] 4.050166[5] |
| Bull Mountain | 9992[3] | 5.17 2[7] 7.527419[5] |
| Rockcreek | 9862[3] | 5.068902[4] 5.071014[5] |
| West Haven-Sylvan | 9299[3] | 6.9 2.7 6.034209[5] |
| |||||
Cyfeiriadau
- ↑ 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; Archifwyd 2018-06-20 yn y Peiriant Wayback 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 3.12 3.13 3.14 https://data.census.gov/cedsci/table?t=Populations%20and%20People&g=0100000US,%241600000&y=2020
- ↑ 4.00 4.01 4.02 4.03 4.04 4.05 4.06 4.07 4.08 4.09 4.10 4.11 4.12 2016 U.S. Gazetteer Files
- ↑ 5.00 5.01 5.02 5.03 5.04 5.05 5.06 5.07 5.08 5.09 5.10 5.11 5.12 2010 U.S. Gazetteer Files
- ↑ https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.2010.html
- ↑ https://www.maptechnica.com/city-map/Bull+Mountain/OR/4109535