Rhestr o Siroedd Ohio
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Ohio_Counties_Labeled_White.svg/220px-Ohio_Counties_Labeled_White.svg.png)
Dyma restr o'r 88 rhanbarth gweinyddol sy'n cael eu hadnabod wrth yr enw County yn Nhalaith Ohio yn yr Unol Daleithiau, yn nhrefn yr wyddor:[1]
Rhestr
[golygu | golygu cod]FIPS
[golygu | golygu cod]Mae'r cod Safon Prosesu Gwybodaeth Ffederal (FIPS), a ddefnyddir gan lywodraeth yr Unol Daleithiau i roi cod hunaniaeth unigryw i daleithiau a siroedd y wlad, yn cael ei ddarparu gyda phob cofnod yn y tabl. Cod Ohio yw 39, a fyddai, o'i gyfuno ag unrhyw god sirol, yn cael ei ysgrifennu fel 39XXX. Mae Adams County yn rhannu'r cod 001 gyda nifer o siroedd eraill yn yr Unol Daleithiau megis Allegany County, Maryland ond o ragddodi cod talaith Ohio, 39, i cod Adams County ceir 39001, cod unigryw i'r sir honno.
Sir |
Cod FIPS [2] | Sedd sirol[3] | Sefydlu[4] | Tarddiad[5] | Etymoleg[4][5] | Poblogaeth[2][3] | Maint[3] | Map |
---|---|---|---|---|---|---|---|---|
Adams County | 001 | West Union | 10 Gorffennaf, 1797 | Hamilton County | John Adams (1735-1826), Arlywydd yr Unol Daleithiau pan drefnwyd y sir | 28,550 | ( 1,512 km2) |
583.91 sq mi![]() |
Allen County | 003 | Lima | 1 Mawrth, 1820 | Shelby County | John Allen (1771 / 2-1813), cyrnol yn Rhyfel 1812 | 106,331 | ( 1,047 km2) |
404.43 sq mi![]() |
Ashland County | 005 | Ashland | 24 Chwefror, 1846 | Wayne County, Richland County, Huron County, a Lorain County | Ashland, cartref Seneddwr yr Unol Daleithiau o Kentucky Henry Clay. | 53,139 | ( 1,099 km2) |
424.37 sq mi![]() |
Ashtabula County | 007 | Jefferson | 7 Mehefin, 1807 | Trumbull County a Geauga County | Afon Ashtabula , sy'n golygu "afon bysgod" mewn iaith frodorol yr Algonquin [6] | 101,497 | ( 1,819 km2) |
702.44 sq mi![]() |
Athens County | 009 | Athens | 1 Mawrth, 1805 | Washington County | Athen yng Ngwlad Groeg | 64,757 | ( 1,313 km2) |
506.76 sq mi![]() |
Auglaize County | 011 | Wapakoneta | 14 Chwefror, 1848 | Allen County, Mercer County, Darke County, Hardin County, Logan County, Shelby County, a Van Wert County | Afon Auglaize, sy'n golygu "afon goed wedi cwympo" yn iaith frodorol y Shawnee | 45,949 | ( 1,039 km2) |
401.25 sq mi![]() |
Belmont County | 013 | St. Clairsville | 7 Medi, 1801 | Jefferson County a Washington County | Belle monte, sy'n golygu "mynydd hardd" yn y Ffrangeg | 70,400 | ( 1,392 km2) |
537.35 sq mi![]() |
Brown County | 015 | Georgetown | 1 Mawrth, 1818 | Adams County a Clermont County | Y Cadfridog Jacob Brown (1775-1828), swyddog yn Rhyfel 1812 | 44,846 | ( 1,274 km2) |
491.76 sq mi![]() |
Butler County | 017 | Hamilton | 1 Mai, 1803 | Hamilton County | Y Cadfridog Richard Butler (1743–1791), a laddwyd ym Mrwydr y Wabash | 368,130 | ( 1,210 km2) |
467.27 sq mi![]() |
Carroll County | 019 | Carrollton | 1 Ionawr, 1833 | Columbiana County, Stark County, Harrison County, Jefferson County, a Tuscarawas County | Charles Carroll (1737-1832), arwyddwr olaf Datganiad Annibyniaeth yr Unol Daleithiau | 28,836 | ( 1,022 km2) |
394.67 sq mi![]() |
Champaign County | 021 | Urbana | 1 Mawrth, 1805 | Greene County a Franklin County | Ffrangeg am "wastadedd", yn disgrifio'r tir yn yr ardal | 40,097 | ( 1,110 km2) |
428.56 sq mi![]() |
Clark County | 023 | Springfield | 1 Mawrth, 1818 | Champaign County, Madison County, a Greene County | Y Cadfridog George Rogers Clark (1752-1818) a orchfygodd llwyth brodorol y Shawnee mewn brwydr ger ardal Springfield | 138,333 | ( 1,036 km2) |
399.86 sq mi![]() |
Clermont County | 025 | Batavia | 6 Rhagfyr, 1800 | Hamilton County | Ffrangeg am "mynydd clir" | 197,363 | ( 1,171 km2) |
451.99 sq mi![]() |
Clinton County | 027 | Wilmington | 1 Mawrth, 1810 | Highland County a Warren County | George Clinton (1739-1812), is-lywydd yr UD pan drefnwyd y sir | 42,040 | ( 1,064 km2) |
410.88 sq mi![]() |
Columbiana County | 029 | Lisbon | 1 Mai, 1803 | Jefferson County a Washington County | Christopher Columbus | 107,841 | ( 1,379 km2) |
532.46 sq mi![]() |
Coshocton County | 031 | Coshocton | 31 Ionawr, 1810 | Muskingum County a Tuscarawas County | Gair llwyth y Delaware sy'n golygu "cymer dyfroedd" | 36,901 | ( 1,461 km2) |
564.07 sq mi![]() |
Crawford County | 033 | Bucyrus | 1 Ebrill, 1820 | Delaware County | Cyrnol William Crawford (1732–1782), swyddog yn Rhyfel Annibyniaeth America | 43,784 | ( 1,041 km2) |
402.11 sq mi![]() |
Cuyahoga County | 035 | Cleveland | 7 Mehefin, 1807 | Geauga County | Afon Cuyahoga , sy'n golygu "afon gam" yn yr iaith Iroquoaidd [7] | 1,249,352 | ( 1,187 km2) |
458.49 sq mi![]() |
Darke County | 037 | Greenville | 3 Ionawr, 1809 | Miami County | Cadfridog William Darke (1736–1801), swyddog yn Rhyfel Annibyniaeth America | 52,959 | ( 1,553 km2) |
599.80 sq mi![]() |
Defiance County | 039 | Defiance | 7 Ebrill, 1845 | Williams County, Henry County a Paulding County | Fort Defiance, a adeiladwyd ym 1794 gan y Cadfridog Anthony Wayne | 39,037 | ( 1,065 km2) |
411.16 sq mi![]() |
Delaware County | 041 | Delaware | 1 Ebrill, 1808 | Franklin County | Llwyth brodorol y Delaware | 174,214 | ( 1,146 km2) |
442.41 sq mi![]() |
Erie County | 043 | Sandusky | 15 Mawrth, 1838 | Huron County a Sandusky County | Llwyth brodorol yr Erie | 77,079 | ( 660 km2) |
254.88 sq mi![]() |
Fairfield County | 045 | Lancaster | 9 Rhagfyr, 1800 | Ross County a Washington County | Y Saesneg am "gaeau teg" | 146,156 | ( 1,308 km2) |
505.11 sq mi![]() |
Fayette County | 047 | Washington Court House | 1 Mawrth, 1810 | Ross County | Gilbert du Motier, marquis de La Fayette , swyddog milwrol Ffrengig ac aristocrat a gymerodd ran yn y chwyldroadau Americanaidd a Ffrengig. | 29,030 | ( 1,053 km2) |
406.58 sq mi![]() |
Franklin County | 049 | Columbus | 30 Ebrill, 1803 | Ross County a Wayne County | Benjamin Franklin (1706–1791), Tad Sylfaenol, awdur, argraffydd, damcaniaethwr gwleidyddol, gwyddonydd, dyfeisiwr, a gwladweinydd | 1,264,518 | ( 1,398 km2) |
539.87 sq mi![]() |
Fulton County | 051 | Wauseon | 1 Ebrill, 1850 | Lucas County, Henry County, a Williams County | Robert Fulton (1765-1815), dyfeisiwr yr agerlong | 42,698 | ( 1,054 km2) |
406.78 sq mi![]() |
Gallia County | 053 | Gallipolis | 30 Ebrill, 1803 | Washington County ac Adams County | Gâl, enw hynafol Ffrainc | 30,934 | ( 1,214 km2) |
468.78 sq mi![]() |
Geauga County | 055 | Chardon | 1 Mawrth, 1806 | Trumbull County | Enw brodorol am yr anifail "raccoon" (Procyon lotor) | 93,389 | ( 1,045 km2) |
403.66 sq mi![]() |
Greene County | 057 | Xenia | 1 Mai, 1803 | Hamilton County a Ross County | Y Cadfridog Nathanael Greene (1742–1786), swyddog yn Rhyfel Annibyniaeth America | 161,573 | ( 1,075 km2) |
414.88 sq mi![]() |
Guernsey County | 059 | Cambridge | 1 Mawrth, 1810 | Belmont County a Muskingum County | Ynys Guernsey, o ble y tarddodd y mwyafrif o'r ymsefydlwyr | 40,087 | ( 1,352 km2) |
521.90 sq mi![]() |
Hamilton County | 061 | Cincinnati | 2 Ionawr, 1790 | Un o'r siroedd gwreiddiol | Alexander Hamilton (1755 / 7-1804), Ysgrifennydd y Trysorlys pan drefnwyd y sir | 802,374 | ( 1,055 km2) |
407.36 sq mi![]() |
Hancock County | 063 | Findlay | 1 Ebrill, 1820 | Logan County | John Hancock (1737–1793), llywydd y Gyngres Gyfandirol | 74,782 | ( 1,376 km2) |
531.35 sq mi![]() |
Hardin County | 065 | Kenton | 1 Ebrill, 1820 | Logan County | Y Cadfridog John Hardin (1753–1792), swyddog yn Rhyfel Annibyniaeth America | 32,058 | ( 1,218 km2) |
470.29 sq mi![]() |
Harrison County | 067 | Cadiz | 1 Chwefror, 1813 | Jefferson County a Tuscarawas County | Y Cadfridog William Henry Harrison (1773–1841), swyddog yn Rhyfel 1812 ac wedyn yn Arlywydd yr Unol Daleithiau | 15,864 | ( 1,045 km2) |
403.53 sq mi![]() |
Henry County | 069 | Napoleon | 1 Ebrill, 1820 | Shelby County | Patrick Henry (1736–1799), Deddfwr yng nghyfnod Rhyfel Annibyniaeth America, areithiwr, ac ysgolhaig | 28,215 | ( 1,079 km2) |
416.50 sq mi![]() |
Highland County | 071 | Hillsboro | 1 Mai, 1805 | Ross County, Adams County, a Clermont County | Y Saesneg am "ucheldir", disgrifiadol o dir y sir | 43,589 | ( 1,433 km2) |
553.28 sq mi![]() |
Hocking County | 073 | Logan | 1 Mawrth, 1818 | Athens County, Ross County a Fairfield County | Yn deillio o bosib o air yn iaith llwyth y Delaware "Hoch-Hoch-ing", sy'n golygu "potel" | 29,380 | ( 1,095 km2) |
422.75 sq mi![]() |
Holmes County | 075 | Millersburg | 20 Ionawr, 1824 | Coshocton County, Wayne County a Tuscarawas County | Yr Uwchgapten Andrew Holmes (bu farw 1814), swyddog yn Rhyfel 1812 | 42,366 | ( 1,096 km2) |
422.99 sq mi![]() |
Huron County | 077 | Norwalk | 7 Mawrth, 1809 | Portage County a Cuyahoga County | Llwyth brodorol y Huron | 59,626 | ( 1,276 km2) |
492.69 sq mi![]() |
Jackson County | 079 | Jackson | 1 Mawrth, 1816 | Scioto County, Gallia County, Athens County a Ross County | Andrew Jackson (1767–1845), Arlywydd yr Unol Daleithiau | 33,225 | ( 1,089 km2) |
420.28 sq mi![]() |
Jefferson County | 081 | Steubenville | 29 Gorffennaf, 1797 | Washington County | Thomas Jefferson (1743–1826) | 69,709 | ( 1,061 km2) |
409.61 sq mi![]() |
Knox County | 083 | Mount Vernon | 1 Mawrth, 1808 | Fairfield County | Y Cadfridog Henry Knox, yr Ysgrifennydd Rhyfel cyntaf | 60,921 | ( 1,365 km2) |
527.12 sq mi![]() |
Lake County | 085 | Painesville | 6 Mawrth, 1840 | Geauga County a Cuyahoga County | Ei leoliad ar Lyn Erie | 230,041 | ( 591 km2) |
228.21 sq mi![]() |
Lawrence County | 087 | Ironton | 21 Rhagfyr, 1815 | Gallia County a Scioto County | Y Capten James Lawrence (1781–1813), arwr llyngesol yn Rhyfel 1812 | 62,450 | ( 1,178 km2) |
454.96 sq mi![]() |
Licking County | 089 | Newark | 1 Mawrth, 1808 | Fairfield County | Wedi'i enwi ar gyfer y "llyfiadau" halen yn yr ardal | 166,492 | ( 1,778 km2) |
686.50 sq mi![]() |
Logan County | 091 | Bellefontaine | 1 Mawrth, 1818 | Champaign County | Cadfridog Benjamin Logan (tua 1742 - 1802), a ddinistriodd drefi llwyth y Shawnee yn y sir | 45,858 | ( 1,187 km2) |
458.44 sq mi![]() |
Lorain County | 093 | Elyria | 26 Rhagfyr, 1822 | Huron County, Cuyahoga County a Medina County | Talaith Lorraine, Ffrainc | 301,356 | ( 1,276 km2) |
492.50 sq mi![]() |
Lucas County | 095 | Toledo | 20 Mehefin, 1835 | Wood County, Sandusky County a Huron County | Robert Lucas (1781-1853), Llywodraethwr Ohio pan gafodd y sir ei chreu | 441,815 | ( 882 km2) |
340.46 sq mi![]() |
Madison County | 097 | London | 1 Mawrth, 1810 | Franklin County | James Madison (1751–1836), Arlywydd yr Unol Daleithiau | 43,435 | ( 1,205 km2) |
465.44 sq mi![]() |
Mahoning County | 099 | Youngstown | 1 Mawrth, 1846 | Columbiana County a Trumbull County | Afon Mahoning , o air Lenape sy'n golygu ger y lle hallt | 238,823 | ( 1,075 km2) |
415.25 sq mi![]() |
Marion County | 101 | Marion | 1 Ebrill, 1820 | Delaware County | Cadfridog Francis Marion (1732–1795), is-gyrnol yn y Fyddin Gyfandirol ac yn ddiweddarach Brigadydd Cyffredinol yn Rhyfel Annibyniaeth America. | 66,501 | ( 1,046 km2) |
403.84 sq mi![]() |
Medina County | 103 | Medina | 18 Chwefror, 1812 | Portage County | Medina, Saudi Arabia | 176,395 | ( 1,096 km2) |
423 sq mi![]() |
Meigs County | 105 | Pomeroy | 1 Ebrill, 1819 | Gallia County a Athens County | Return Jonathan Meigs, Jr (1764-1825), Llywodraethwr Ohio a Phostfeistr Cyffredinol ar yr adeg y trefnwyd y sir | 23,770 | ( 1,112 km2) |
429.42 sq mi![]() |
Mercer County | 107 | Celina | 1 Ebrill, 1820 | Darke County | Y Cadfridog Hugh Mercer (1726–1777), swyddog yn Rhyfel Annibyniaeth America | 40,814 | ( 1,200 km2) |
463.27 sq mi![]() |
Miami County | 109 | Troy | 1 Mawrth, 1807 | Montgomery County | Llwyth brodorol y Miami | 102,506 | ( 1,054 km2) |
407.04 sq mi![]() |
Monroe County | 111 | Woodsfield | 29 Ionawr, 1813 | Belmont County, Washington County a Guernsey County | James Monroe (1758–1831) | 14,642 | ( 1,180 km2) |
455.54 sq mi![]() |
Montgomery County | 113 | Dayton | 1 Mai, 1803 | Hamilton County a Wayne County | Y Cadfridog Richard Montgomery (1738–1775), swyddog yn Rhyfel Annibyniaeth America | 535,153 | ( 1,196 km2) |
461.68 sq mi![]() |
Morgan County | 115 | McConnelsville | 29 Rhagfyr, 1817 | Washington County, Guernsey County a Muskingum County | Y Cadfridog Daniel Morgan (c. 1735 – 1802), swyddog yn Rhyfel Annibyniaeth America | 15,054 | ( 1,082 km2) |
417.66 sq mi![]() |
Morrow County | 117 | Mount Gilead | 1 Mawrth, 1848 | Knox County, Marion County, Delaware County a Richland County | Jeremiah Morrow (1771–1852), Llywodraethwr Ohio | 34,827 | ( 1,052 km2) |
406.22 sq mi![]() |
Muskingum County | 119 | Zanesville | 1 Mawrth, 1804[8][9] | Washington County a Fairfield County | Gair Indiaid sy'n golygu "Tref ger yr afon" | 86,074 | ( 1,721 km2) |
664.63 sq mi![]() |
Noble County | 121 | Caldwell | 1 Ebrill, 1851 | Monroe County, Washington County, Morgan County a Guernsey County | James Noble (1785-1831), gwladychwr cynnar a Seneddwr yr Unol Daleithiau yn y dyfodol o Indiana | 14,645 | ( 1,033 km2) |
399.00 sq mi![]() |
Ottawa County | 123 | Port Clinton | 6 Mawrth, 1840 | Erie County, Sandusky County a Lucas County | Enwyd ar gyfer llwyth yr Ottawa ; Ystyr Ottawa yw "masnachwr" yn eu hiaith | 41,428 | ( 660 km2) |
254.95 sq mi![]() |
Paulding County | 125 | Paulding | 1 Ebrill, 1820 | Darke County | John Paulding (1758-1818), cipiwr yr ysbïwr John André yn ystod Rhyfel Annibyniaeth America | 19,614 | ( 1,078 km2) |
416.26 sq mi![]() |
Perry County | 127 | New Lexington | 1 Mawrth, 1818 | Washington County, Fairfield County a Muskingum County | Comodor Oliver Hazard Perry (1785–1819), swyddog llyngesol yn ystod Rhyfel 1812 | 36,058 | ( 1,061 km2) |
409.78 sq mi![]() |
Pickaway County | 129 | Circleville | 1 Mawrth, 1810 | Ross County, Fairfield County a Franklin County | Camsillafiad o enw llwyth y Piqua, cangen o'r Shawnee | 55,698 | ( 1,300 km2) |
501.91 sq mi![]() |
Pike County | 131 | Waverly | 1 Chwefror, 1815 | Ross County, Scioto County a Adams County | General Zebulon M. Pike (1779–1813), swyddog Rhyfel 1812 a darganfyddwr Pikes Peak yn Colorado ym 1806 | 28,709 | ( 1,143 km2) |
441.49 sq mi![]() |
Portage County | 133 | Ravenna | 7 Gorffennaf, 1807 | Trumbull County | O'r gair Saesneg portage, i gario cwch dros ddarn o dir | 161,419 | ( 1,275 km2) |
492.39 sq mi![]() |
Preble County | 135 | Eaton | 1 Mawrth, 1808 | Montgomery County a Butler County | Y Captain Edward Preble (1761–1807), swyddog llyngesol yn Rhyfel Annibyniaeth America | 42,270 | ( 1,100 km2) |
424.80 sq mi![]() |
Putnam County | 137 | Ottawa | 1 Ebrill, 1820 | Shelby County | Y Cadfridog Israel Putnam (1718–1790), swyddog yn Rhyfel Annibyniaeth America | 34,499 | ( 1,253 km2) |
483.87 sq mi![]() |
Richland County | 139 | Mansfield | 1 Mawrth, 1808 | Fairfield County | Saesneg am "dir ffrwythlon", disgrifiadol o dir yr ardal | 124,475 | ( 1,287 km2) |
496.88 sq mi![]() |
Ross County | 141 | Chillicothe | 20 Awst, 1798 | Adams County a Washington County | NEnwyd er anrhydedd i'r Seneddwr yr Unol Daleithiau o Pennsylvania James Ross gan y llywodraethwr tiriogaethol Arthur St. Clair | 78,064 | ( 1,783 km2) |
688.41 sq mi![]() |
Sandusky County | 143 | Fremont | 1 Ebrill, 1820 | Huron County | Gair y llwyth Iroquoisam "ddŵr oer" | 60,944 | ( 1,060 km2) |
409.18 sq mi![]() |
Scioto County | 145 | Portsmouth | 1 Mai, 1803 | Adams County | Afon Scioto River; Scioto yw enw llwyth y Wyandot am "garw" | 79,499 | ( 1,586 km2) |
612.27 sq mi![]() |
Seneca County | 147 | Tiffin | 1 Ebrill, 1820 | Huron County | Llwyth brodorol y Seneca | 56,745 | ( 1,426 km2) |
550.59 sq mi![]() |
Shelby County | 149 | Sidney | 1 Ebrill, 1819 | Miami County | Y Cadfridog Isaac Shelby (1750–1826), swyddog yn Rhyfel Annibyniaeth America a Llywodraethwr Kentucky | 49,423 | ( 1,060 km2) |
409.27 sq mi![]() |
Stark County | 151 | Canton | 13 Chwefror, 1808 | Columbiana County | Y Cadfridog John Stark (1728–1822), swyddog yn Rhyfel Annibyniaeth America | 375,586 | ( 1,492 km2) |
576.14 sq mi![]() |
Summit County | 153 | Akron | 3 Mawrth, 1840 | Medina County, Portage County a Stark County | Saesneg am "gopa" | 541,781 | ( 1,086 km2) |
419.38 sq mi![]() |
Trumbull County | 155 | Warren | 10 Gorffennaf, 1800 | Jefferson County a Wayne County | Jonathan Trumbull (1710–1785), Llywodraethwr Connecticut pan drefnwyd y sir | 210,312 | ( 1,597 km2) |
616.48 sq mi![]() |
Tuscarawas County | 157 | New Philadelphia | 15 Mawrth, 1808 | Muskingum County | Afon Tuscarawas, ar ôl y llwyth oedd yn byw ar lan yr afon | 92,582 | ( 1,470 km2) |
567.58 sq mi![]() |
Union County | 159 | Marysville | 1 Ebrill, 1820 | Delaware County, Franklin County, Logan County a Madison County | Saesneg am "undeb" y sir wedi ei ffurfio gan undeb o bedair sir | 52,300 | ( 1,131 km2) |
436.65 sq mi![]() |
Van Wert County | 161 | Van Wert | 1 Ebrill, 1820 | Darke County | Isaac Van Wart (1760–1828), cipiwr yr ysbïwr John André yn ystod Rhyfel Annibyniaeth America | 28,744 | ( 1,062 km2) |
410.09 sq mi![]() |
Vinton County | 163 | McArthur | 23 Mawrth, 1850 | Athens County, Gallia County, Hocking County, Jackson County a Ross County | Samuel Finley Vinton (1792-1862), Gwladweinydd o Ohio ac aelod o Gyngres yr UD | 13,435 | ( 1,072 km2) |
414.08 sq mi![]() |
Warren County | 165 | Lebanon | 1 Mai, 1803 | Hamilton County | Y Cadfridog Joseph Warren (1741–1775), swyddog yn Rhyfel Annibyniaeth America | 212,693 | ( 1,035 km2) |
399.63 sq mi![]() |
Washington County | 167 | Marietta | 27 Gorffennaf, 1788 | Un o'r siroedd gwreiddiol | George Washington (1732–1799) | 61,778 | ( 1,645 km2) |
635.15 sq mi![]() |
Wayne County | 169 | Wooster | 1 Mawrth, 1808 | O dir heb ei drefnu | Y Cadfridog Anthony Wayne (1745–1796), swyddog yn Rhyfel Annibyniaeth America | 114,520 | ( 1,438 km2) |
555.36 sq mi![]() |
Williams County | 171 | Bryan | 1 Ebrill, 1820 | Darke County | David Williams (1754–1831), cipiwr yr ysbïwr John André yn ystod Rhyfel Annibyniaeth America | 37,642 | ( 1,092 km2) |
421.74 sq mi![]() |
Wood County | 173 | Bowling Green | 1 Ebrill, 1820 | O dir heb ei drefnu | Eleazer D. Wood (1783–1814), sylfaenydd Fort Meigs | 125,488 | ( 1,599 km2) |
617.32 sq mi![]() |
Wyandot County | 175 | Upper Sandusky | 3 Chwefror, 1845 | Marion County, Crawford County a Hardin County | ar ôl enw llwyth y Wyandot | 22,615 | ( 1,051 km2) |
405.61 sq mi![]() |
Map dwysedd poblogaeth
[golygu | golygu cod]Mae lliwiau gwahanol yn dynodi dwysedd trymach.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/57/Ohio_population_map.png/400px-Ohio_population_map.png)
Cyfeiriadau
[golygu | golygu cod]- ↑ "How Many Counties are in Your State?". web.archive.org. 2009-04-22. Archifwyd o'r gwreiddiol ar 2009-04-22. Cyrchwyd 2020-04-21.CS1 maint: BOT: original-url status unknown (link)
- ↑ 2.0 2.1 USDA County FIPS Codes adalwyd 6 Ebrill 2020
- ↑ 3.0 3.1 3.2 Wherig - List of Ohio Counties and County Seats adalwyd 6 Ebrill 2020
- ↑ 4.0 4.1 "Federal Roster: County of Ohio, Derivation of Name County a Date of Erection" (PDF). Archifwyd o'r gwreiddiol (PDF) ar 2013-07-12. Cyrchwyd 2020-05-06.
- ↑ 5.0 5.1 Howe, Henry (1891). Historical Collections of Ohio. 2. Columbus, OH: Henry Howe County a Son. (OH county source): ISBN 1425565735 County a Google Books
- ↑ Ashtabula, Encyclopædia Britannica, 2007. adalwyd 6 Ebrill 2020.
- ↑ Cuyahoga River, Encyclopædia Britannica, 2007. addalwyd 6 Ebrill 2020.
- ↑ Downes, t. 368.
- ↑ Taylor & Taylor, t. 40.
![Baner Unol Daleithiau America](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Flag_of_the_United_States.svg/22px-Flag_of_the_United_States.svg.png)
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