Jefferson County, Ohio

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Jefferson County
Jefferson County Courthouse in Steubenville.jpg
Seal of Jefferson County Ohio.svg
Mathsir Edit this on Wikidata
Enwyd ar ôlThomas Jefferson Edit this on Wikidata
PrifddinasSteubenville, Ohio Edit this on Wikidata
Poblogaeth65,249 Edit this on Wikidata
Sefydlwyd
  • 27 Gorffennaf 1797 Edit this on Wikidata
Daearyddiaeth
GwladBaner Unol Daleithiau America Unol Daleithiau America
Arwynebedd1,064 km² Edit this on Wikidata
TalaithOhio
Yn ffinio gydaColumbiana County, Carroll County, Hancock County, Brooke County, Ohio County, Belmont County, Harrison County Edit this on Wikidata
Cyfesurynnau40.38°N 80.76°W Edit this on Wikidata
[golygwch ar Wicidata]

Sir yn nhalaith Ohio, Unol Daleithiau America yw Jefferson County. Cafodd ei henwi ar ôl Thomas Jefferson. Sefydlwyd Jefferson County, Ohio ym 1797 a sedd weinyddol y sir (a elwir weithiau'n 'dref sirol' neu'n 'brifddinas y sir') yw Steubenville, Ohio.

Mae ganddi arwynebedd o 1,064 cilometr sgwâr. Allan o'r arwynebedd hwn, y canran o ffurfiau dyfrol, megis llynnoedd ac afonydd, yw 0.6% . Yn ôl cyfrifiad y wlad, poblogaeth y sir yw: 65,249 (1 Ebrill 2020)[1]. Mewn cymhariaeth, yn 2016 roedd poblogaeth Caerdydd yn 361,462 a Rhyl tua 26,000.[2]

Mae'n ffinio gyda Columbiana County, Carroll County, Hancock County, Brooke County, Ohio County, Belmont County, Harrison County. Cedwir rhestr swyddogol o henebion ac adeiladau cofrestredig y sir yn: National Register of Historic Places listings in Jefferson County, Ohio.

Map of Ohio highlighting Jefferson County.svg

Ohio in United States.svg

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

Ceir sawl sir o’r un enw gan gynnwys:


Trefi mwyaf[golygu | golygu cod y dudalen]

Mae gan y sir yma boblogaeth o tua 65,249 (1 Ebrill 2020)[1]. Dyma rai o'r dinasoedd, trefi neu gymunedau mwyaf poblog y sir:

Rhestr Wicidata:


Tref neu gymuned Poblogaeth Arwynebedd
Steubenville, Ohio 18659[3][4]
18161[5] 		27.504593[6]
27.524546[3]
Island Creek Township 10173[5]
10546[4] 		41.3
Cross Creek Township 7870[5]
8348[4] 		32.6
Toronto, Ohio 5091[3][4]
5303[5] 		5.509705[6]
5.526798[3]
Knox Township 4317[5]
4670[4] 		29.7
Steubenville Township 4117[5]
4319[4] 		7.8
Warren Township 3832[5]
4232[4] 		23.2
Wintersville, Ohio 3924[4]
3765[5] 		3.12
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 Ohio
Adams County, Allen County, Ashland County, Ashtabula County, Athens County, Auglaize County, Belmont County, Brown County, Butler County, Carroll County, Champaign County, Clark County, Clermont County, Clinton County, Columbiana County, Coshocton County, Crawford County, Cuyahoga County, Darke County, Defiance County, Delaware County, Erie County, Fairfield County, Fayette County, Franklin County, Fulton County, Gallia County, Geauga County, Greene County, Guernsey County, Hamilton County, Hancock County, Hardin County, Harrison County, Henry County, Highland County, Hocking County, Holmes County, Huron County, Jackson County, Jefferson County, Knox County, Lake County, Lawrence County, Licking County, Logan County, Lorain County, Lucas County, Madison County, Mahoning County, Marion County, Medina County, Meigs County, Mercer County, Miami County, Monroe County, Montgomery County, Morgan County, Morrow County, Muskingum County, Noble County, Ottawa County, Paulding County, Perry County, Pickaway County, Pike County, Portage County, Preble County, Putnam County, Richland County, Ross County, Sandusky County, Scioto County, Seneca County, Shelby County, Stark County, Summit County, Trumbull County, Tuscarawas County, Union County, Van Wert County, Vinton County, Warren County, Washington County, Wayne County, Williams County, Wood County, Wyandot County

Cyfeiriadau[golygu | golygu cod y dudalen]

  1. ↑ 1.0 1.1 https://data.census.gov/cedsci/table?t=Populations%20and%20People&g=0100000US,%241600000&y=2020; golygydd: Biwro Cyfrifiad yr Unol Daleithiau; dyddiad cyrchiad: 1 Ionawr 2022.
  2. ↑ statswales.gov.wales; adalwyd 25 Mawrth 2020.
  3. ↑ 3.0 3.1 3.2 3.3 2010 U.S. Gazetteer Files
  4. ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 https://data.census.gov/cedsci/table?g=0100000US%241600000&y=2010&d=DEC%20Redistricting%20Data%20%28PL%2094-171%29
  5. ↑ 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 https://data.census.gov/cedsci/table?t=Populations%20and%20People&g=0100000US,%241600000&y=2020
  6. ↑ 6.0 6.1 2016 U.S. Gazetteer Files
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