Lewis and Clark County, Montana
Sir yn nhalaith Montana, Unol Daleithiau America yw Lewis and Clark County. Cafodd ei henwi ar ôl Meriwether Lewis a/ac William Clark. Sefydlwyd Lewis and Clark County, Montana ym 1865 a sedd weinyddol y sir (a elwir weithiau'n 'dref sirol' neu'n 'brifddinas y sir') yw Helena, Montana.
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| Math | sir  |
|---|---|
| Enwyd ar ôl | Meriwether Lewis, William Clark |
| Prifddinas | Helena, Montana |
| Poblogaeth | 70,973 |
| Sefydlwyd |
|
| Daearyddiaeth | |
| Gwlad |  Unol Daleithiau America |
| Arwynebedd | 9,059 km² |
| Talaith | Montana |
| Yn ffinio gyda | Teton County, Jefferson County, Cascade County, Meagher County, Broadwater County, Powell County, Flathead County |
| Cyfesurynnau | 47.11°N 112.38°W |
 | |
Mae ganddi arwynebedd o 9,059 cilometr sgwâr. Allan o'r arwynebedd hwn, y canran o ffurfiau dyfrol, megis llynnoedd ac afonydd, yw 1.1% . Yn ôl cyfrifiad y wlad, poblogaeth y sir yw: 70,973 (1 Ebrill 2020)[1]. Mewn cymhariaeth, yn 2016 roedd poblogaeth Caerdydd yn 361,462 a Rhyl tua 26,000.[2]
Mae'n ffinio gyda Teton County, Jefferson County, Cascade County, Meagher County, Broadwater County, Powell County, Flathead County. Cedwir rhestr swyddogol o henebion ac adeiladau cofrestredig y sir yn: National Register of Historic Places listings in Lewis and Clark County, Montana.
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| Map o leoliad y sir o fewn Montana |
Lleoliad Montana o fewn UDA |
Ceir sawl sir o’r un enw gan gynnwys:
- Lewis and Clark County, Montana
- Lewis County, Efrog Newydd
- Lewis County, Gorllewin Virginia
- Lewis County, Idaho
- Lewis County, Kentucky
- Lewis County, Missouri
- Lewis County, Tennessee
- Lewis County, Washington
Trefi mwyaf golygu
Mae gan y sir yma boblogaeth o tua 70,973 (1 Ebrill 2020)[1]. Dyma rai o'r dinasoedd, trefi neu gymunedau mwyaf poblog y sir:
Rhestr Wicidata:
| Tref neu gymuned | Poblogaeth | Arwynebedd |
|---|---|---|
| Helena, Montana | 32091[3] | 42.827999[4] 42.44403[5] |
| Helena Valley Southeast | 9168[3] | 37.170526[4] 37.299676[6] |
| Helena Valley West Central | 8670[3] | 68.596326[4] 68.706363[6] |
| Helena Valley Northwest | 4705[3] | 42.42527[4] 42.424454[6] |
| Helena Valley Northeast | 3813[3] | 132.43204[4] 132.684972[6] |
| East Helena, Montana | 1944[3] | 10.580056[4] 4.505327[6] |
| Helena West Side | 1331[3] | 37.326502[4] 37.368493[6] |
| Lincoln | 998[3] | 46.786885[4] 46.786883[6] |
| Augusta | 316[3] | 2.389187[4] 2.389188[6] |
| Unionville | 206[3] | |
| Marysville | 82[3] | 1.28874[4][6] |
| Rimini | 51[7] | |
| Craig | 39[3] | |
| Wolf Creek | 25[3] |
Cyfeiriadau golygu
- ↑ 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.
- ↑ 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 https://data.census.gov/cedsci/table?t=Populations%20and%20People&g=0100000US,%241600000&y=2020
- ↑ 4.00 4.01 4.02 4.03 4.04 4.05 4.06 4.07 4.08 4.09 2016 U.S. Gazetteer Files
- ↑ https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.2010.html
- ↑ 6.0 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 2010 U.S. Gazetteer Files
- ↑ https://data.census.gov/cedsci/all?q=Rimini%20CDP,%20Montana