Mammoth is an unincorporated community and census-designated place (CDP) in Madison County, Montana, United States. It is in the northern part of the county, in the valley of the South Boulder River within the northern end of the Tobacco Root Mountains. Via the South Boulder River, it is part of the Jefferson River watershed, one of the headwaters of the Missouri River.

Mammoth, Montana
Mammoth is located in Montana
Mammoth
Mammoth
Mammoth is located in the United States
Mammoth
Mammoth
Coordinates: 45°40′2″N 112°1′7″W / 45.66722°N 112.01861°W / 45.66722; -112.01861
CountryUnited States
StateMontana
CountyMadison
Area
 • Total0.35 sq mi (0.91 km2)
 • Land0.35 sq mi (0.91 km2)
 • Water0.00 sq mi (0.00 km2)
Elevation
6,016 ft (1,834 m)
Population
 • Total4
 • Density11.43/sq mi (4.41/km2)
Time zoneUTC-7 (Mountain (MST))
 • Summer (DST)UTC-6 (MDT)
ZIP Codes
59721 (Cardwell)
59747 (Pony)
Area code406
FIPS code30-47460
GNIS feature ID2806644[3]

Mammoth is reached by South Boulder Road, which leads north 11 miles (18 km) to Montana Highway 359 at a point 5 miles (8 km) south of Cardwell.

Mammoth was first listed as a CDP prior to the 2020 census,[3] when it had a population of 4.[2]

Demographics

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Historical population
CensusPop.Note
20204
U.S. Decennial Census[4]

Education

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The CDP is in the Harrison K-12 Schools school district.[5]

References

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  1. ^ "2023 U.S. Gazetteer Files: Montana". United States Census Bureau. Retrieved May 16, 2024.
  2. ^ a b "P1. Race – Harrison CDP, Montana: 2020 DEC Redistricting Data (PL 94-171)". U.S. Census Bureau. Retrieved May 16, 2024.
  3. ^ a b "Mammoth Census Designated Place". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  4. ^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
  5. ^ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Madison County, MT" (PDF). U.S. Census Bureau. Retrieved October 4, 2024. - Text list