Montgomery County, Ohio
Sir yn nhalaith Ohio, Unol Daleithiau America yw Montgomery County. Cafodd ei henwi ar ôl Richard Montgomery. Sefydlwyd Montgomery County, Ohio ym 1803 a sedd weinyddol y sir (a elwir weithiau'n 'dref sirol' neu'n 'brifddinas y sir') yw Dayton.
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| Math | sir  |
|---|---|
| Enwyd ar ôl | Richard Montgomery |
| Prifddinas | Dayton |
| Poblogaeth | 535,846 |
| Sefydlwyd |
|
| Daearyddiaeth | |
| Gwlad |  Unol Daleithiau America |
| Arwynebedd | 1,203 km² |
| Talaith | Ohio |
| Yn ffinio gyda | Miami County, Warren County, Clark County, Greene County, Butler County, Preble County, Darke County |
| Cyfesurynnau | 39.75°N 84.29°W |
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Mae ganddi arwynebedd o 1,203 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: 535,846 (1 Gorffennaf 2013)[1]. Mewn cymhariaeth, yn 2016 roedd poblogaeth Caerdydd yn 361,462 a Rhyl tua 26,000.[2]
Mae'n ffinio gyda Miami County, Warren County, Clark County, Greene County, Butler County, Preble County, Darke County. Cedwir rhestr swyddogol o henebion ac adeiladau cofrestredig y sir yn: National Register of Historic Places listings in Montgomery County, Ohio.
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| Map o leoliad y sir o fewn Ohio |
Lleoliad Ohio o fewn UDA |
Ceir sawl sir o’r un enw gan gynnwys:
- Montgomery County, Alabama
- Montgomery County, Arkansas
- Montgomery County, Efrog Newydd
- Montgomery County, Georgia
- Montgomery County, Gogledd Carolina
- Montgomery County, Illinois
- Montgomery County, Indiana
- Montgomery County, Iowa
- Montgomery County, Kansas
- Montgomery County, Kentucky
- Montgomery County, Maryland
- Montgomery County, Mississippi
- Montgomery County, Missouri
- Montgomery County, Ohio
- Montgomery County, Pennsylvania
- Montgomery County, Tennessee
- Montgomery County, Texas
Trefi mwyafGolygu
Mae gan y sir yma boblogaeth o tua 535,846 (1 Gorffennaf 2013)[1]. Dyma rai o'r dinasoedd, trefi neu gymunedau mwyaf poblog y sir:
Rhestr Wicidata:
| Tref neu gymuned | Poblogaeth | Arwynebedd |
|---|---|---|
| Dayton | 141527[3] | 146.406005[4] 146.346895[3] |
| Kettering, Ohio | 56163[3] | 48.552394[4] 48.47546[3] |
| Huber Heights, Ohio | 38142[5] 38101[3] |
57.921047[4] 57.930292[3] |
| Riverside, Ohio | 25201[3] | 25.273[4] 25.281572[3] |
| Trotwood, Ohio | 24431[3] | 79.016832[4] 79.016829[3] |
| Centerville, Ohio | 23999[3] | 28.566879[4] 28.089051[3] |
| Miamisburg, Ohio | 20181[3] | 32.093545[4] 32.036575[3] |
| Springboro, Ohio | 17409[3] | 10.5 24.231672[3] |
| Vandalia, Ohio | 15246[3] | 32.114759[4] 32.146693[3] |
| Englewood, Ohio | 13465[3] | 17.071408[4] 17.071833[3] |
| Clayton, Ohio | 13209[3] | 48173778 48.161209[3] |
| West Carrollton, Ohio | 13143 | 6.66 |
| Shiloh | 11272 | 3.9 |
| Oakwood | 9202[3] | 5.685783[4] 5.684955[3] |
CyfeiriadauGolygu
- ↑ 1.0 1.1 Biwro Cyfrifiad yr Unol Daleithiau; http://www.census.gov/popest/data/counties/totals/2013/files/CO-EST2013-Alldata.csv.
- ↑ 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 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 3.20 3.21 3.22 3.23 https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.2010.html
- ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 2016 U.S. Gazetteer Files
- ↑ http://www.city-data.com/city/Huber-Heights-Ohio.html