Lewis and Clark County, Montana
 | |
| 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 |
 | |
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.
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 | golygu cod y dudalen]
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 | 32315 | 42.827999[3] 42.44403[4] |
| Helena Valley Southeast | 8227[5][6] 9168[7] |
37.170526[3] 37.299676[5] |
| Helena Valley West Central | 7883[5][6] 8670[7] |
68.596326[3] 68.706363[5] |
| Helena Valley Northwest | 3482[5][6] 4705[7] |
42.42527[3] 42.424454[5] |
| Helena Valley Northeast | 3470 2995[5][6] 3813[7] |
132.43204[3] 132.684972[5] |
| East Helena, Montana | 1984[5][6] 1984 1944[7] |
10.580056[3] 4.505327[5] |
| Helena West Side | 1711 1637[5][6] 1331[7] |
37.326502[3] 37.368493[5] |
| |||||
Cyfeiriadau[golygu | golygu cod y dudalen]
- ↑ 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.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 2016 U.S. Gazetteer Files
- ↑ https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.2010.html
- ↑ 5.00 5.01 5.02 5.03 5.04 5.05 5.06 5.07 5.08 5.09 5.10 5.11 2010 U.S. Gazetteer Files
- ↑ 6.0 6.1 6.2 6.3 6.4 6.5 https://data.census.gov/cedsci/table?g=0100000US%241600000&y=2010&d=DEC%20Redistricting%20Data%20%28PL%2094-171%29
- ↑ 7.0 7.1 7.2 7.3 7.4 7.5 https://data.census.gov/cedsci/table?t=Populations%20and%20People&g=0100000US,%241600000&y=2020