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 | 537,309 |
| 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: 537,309 (1 Ebrill 2020)[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 537,309 (1 Ebrill 2020)[1]. Dyma rai o'r dinasoedd, trefi neu gymunedau mwyaf poblog y sir:
Rhestr Wicidata:
| Tref neu gymuned | Poblogaeth | Arwynebedd |
|---|---|---|
| Dayton | 141527[3][4] 137644[5] |
146.406005[6] 146.346895[3] |
| Washington Township | 61682[5] 56607[4] |
31.2 |
| Kettering, Ohio | 56163[3] 57862[5] 467[4] |
48.552394[6] 48.47546[3] |
| Miami Township | 52156[5] 50735[4] |
34.4 |
| Huber Heights, Ohio | 38142[7] 38101[3] 43439[5] 959[4] |
57.921047[6] 57.930292[3] |
| Riverside, Ohio | 25201[3][4] 24474[5] |
25.273[6] 25.281572[3] |
| Trotwood, Ohio | 24431[3][4] 23070[5] |
79.016832[6] 79.016829[3] |
| Centerville, Ohio | 23999[3][4] 24240[5] |
28.566879[6] 28.089051[3] |
CyfeiriadauGolygu
- ↑ 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.
- ↑ 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 2010 U.S. Gazetteer Files
- ↑ 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
- ↑ 5.0 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
- ↑ 6.0 6.1 6.2 6.3 6.4 6.5 2016 U.S. Gazetteer Files
- ↑ http://www.city-data.com/city/Huber-Heights-Ohio.html