| Official Name: | Swan Lake, Montana |
| Pushpin Map: | Montana#USA |
| Pushpin Label: | Swan Lake |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Subdivision Name2: | Lake |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 19.71 |
| Area Land Km2: | 19.71 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 7.61 |
| Area Land Sq Mi: | 7.61 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 102 |
| Population Density Km2: | 5.17 |
| Population Density Sq Mi: | 13.40 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 3104 |
| Coordinates: | 47.9292°N -113.8447°W |
| Area Code: | 406 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 791786 |
| Blank1 Name: | FIPS code |
| Blank1 Info: | 30-72850 |
Swan Lake is a census-designated place and unincorporated community in Lake County, Montana, United States. Its population was 113 as of the 2010 census.[2]
The Swan Lake CDP is in northeastern Lake County, on the east shore of the south end of the lake of the same name. The CDP extends east to the Lake County/Flathead County line, which runs along the crest of the Swan Range. The northern edge of the CDP follows Groom Creek, while the southern edge follows Bond Creek. Elevations range from on Swan Lake to at the summit of Con Kelly Mountain in the Swan Range. Montana Highway 83 runs through the community close to the shore of Swan Lake; it leads northwest to Montana Highway 35 north of Bigfork and south to Montana Highway 200 at Clearwater. Kalispell is northwest of Swan Lake via Highways 83, 82, and 93.
According to the U.S. Census Bureau, the Swan Lake CDP has an area of 19.7sqkm, all land.[3]
According to the Köppen Climate Classification system, Swan Lake has a warm-summer humid continental climate, abbreviated "Dfb" on climate maps. The hottest temperature recorded in Swan Lake was 106F on August 11, 2018, while the coldest temperature recorded was -40F on December 30, 1968.