Allegheny County, Pennsylvania

Allegheny County
Mathsir, home rule county of Pennsylvania Edit this on Wikidata
Enwyd ar ôlAfon Allegheny Edit this on Wikidata
PrifddinasPittsburgh Edit this on Wikidata
Poblogaeth1,250,578 Edit this on Wikidata
Sefydlwyd
  • 24 Medi 1788 Edit this on Wikidata
Daearyddiaeth
GwladBaner Unol Daleithiau America Unol Daleithiau America
Arwynebedd1,929 km² Edit this on Wikidata
TalaithPennsylvania
Yn ffinio gydaButler County, Armstrong County, Westmoreland County, Washington County, Beaver County Edit this on Wikidata
Cyfesurynnau40.4356°N 80.0244°W Edit this on Wikidata
Map
[golygwch ar Wicidata]

Sir yn nhalaith Pennsylvania, Unol Daleithiau America yw Allegheny County. Cafodd ei henwi ar ôl Afon Allegheny. Sefydlwyd Allegheny County, Pennsylvania ym 1788 a sedd weinyddol y sir (a elwir weithiau'n 'dref sirol' neu'n 'brifddinas y sir') yw Pittsburgh.

Mae ganddi arwynebedd o 1,929 cilometr sgwâr. Allan o'r arwynebedd hwn, y canran o ffurfiau dyfrol, megis llynnoedd ac afonydd, yw 1.9% . Yn ôl cyfrifiad y wlad, poblogaeth y sir yw: 1,250,578 (1 Ebrill 2020)[1]. Mewn cymhariaeth, yn 2016 roedd poblogaeth Caerdydd yn 361,462 a Rhyl tua 26,000.[2]

Mae'n ffinio gyda Butler County, Armstrong County, Westmoreland County, Washington County, Beaver County. Cedwir rhestr swyddogol o henebion ac adeiladau cofrestredig y sir yn: National Register of Historic Places listings in Allegheny County, Pennsylvania.

Map o leoliad y sir
o fewn Pennsylvania		 Lleoliad Pennsylvania
o fewn UDA











Trefi mwyaf

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Mae gan y sir yma boblogaeth o tua 1,250,578 (1 Ebrill 2020)[1]. Dyma rai o'r dinasoedd, trefi neu gymunedau mwyaf poblog y sir:

Rhestr Wicidata:

Diweddarwch y rhestr nawr | WQS | Chwiliwch am ddelweddau


Tref neu gymuned Poblogaeth Arwynebedd
Pittsburgh 302971[3][4] 151[5]
151.093536
Allegheny 129896
Penn Hills Township 41059[4] 19.3
Mount Lebanon Township 34075[4] 6.08
Bethel Park 33577[4] 11.67
30.227275
Ross Township 33567[4] 37.4
McCandless Township 29698[4] 16.6
Monroeville 28640[4] 19.72
51.139155
Shaler Township 28132[4] 11.17
Moon Township 27240[4] 24.12
Plum 27144[4] 28.96
Allison Park 21864[4] 35.842533
Baldwin 21510[4] 5.88
Upper St. Clair Township 21160[4] 9.8
West Mifflin 19589[4] 14.51
37.574883
Diwedd y rhestr a gynhyrchwyd yn otomatig o Wicidata.
gw • sg • go
Taleithiau Baner Unol Daleithiau America Unol Daleithiau America
gw • sg • go
Siroedd (a phrif drefi) o fewn talaith Pennsylvania
Lebanon County, Crawford County, Lycoming County, Butler County, Schuylkill County, Northampton County, Cambria County, Fayette County, Allegheny County, Mercer County, Chester County, Beaver County, Lackawanna County, Erie County, Venango County, Clearfield County, Lawrence County, Warren County, Armstrong County, Luzerne County, Westmoreland County, Northumberland County, Clinton County, Philadelphia County, Lehigh County, Berks County, Dauphin County, Washington County, Lancaster County, Delaware County, Blair County, Elk County, McKean County, York County, Monroe County, Snyder County, Susquehanna County, Tioga County, Pike County, Wyoming County, Montour County, Union County, Juniata County, Perry County, Sullivan County, Potter County, Adams County, Montgomery County, Bradford County, Columbia County, Carbon County, Somerset County, Huntingdon County, Greene County, Franklin County, Cumberland County, Cameron County, Indiana County, Jefferson County, Mifflin County, Wayne County, Bedford County, Bucks County, Clarion County, Fulton County, Forest County, Centre County

Cyfeiriadau

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  1. ↑ 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.
  2. ↑ statswales.gov.wales; adalwyd 25 Mawrth 2020.
  3. ↑ https://www.census.gov/quickfacts/fact/table/pittsburghcitypennsylvania/POP010220
  4. ↑ 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 4.13 https://data.census.gov/cedsci/table?t=Populations%20and%20People&g=0100000US,%241600000&y=2020
  5. ↑ 2016 U.S. Gazetteer Files