Phillips County, Montana

county in Montana, United States

Phillips County is a county found in the U.S. state of Montana. As of the 2020 United States Census, there were 4,217 people.[1] Its county seat is Malta.[2] Before February 5, 1915, Phillips County was part of Blaine County, Montana, and before 1912 both were part of Chouteau County, Montana.[3] It was named for rancher and state senator Benjamin D. Phillips.

Phillips County
Phillips County Courthouse in Malta
Phillips County Courthouse in Malta
Map of Montana highlighting Phillips County
Location within the U.S. state of Montana
Map of the United States highlighting Montana
Montana's location within the U.S.
Coordinates: 48°16′N 107°55′W / 48.26°N 107.92°W / 48.26; -107.92
Country United States
State Montana
FoundedFebruary 5, 1915
Largest cityMalta
 • Total5,212 sq mi (13,500 km2)
 • Land5,140 sq mi (13,300 km2)
 • Water72 sq mi (190 km2)  1.4%
 • Total4,217
 • Density0.81/sq mi (0.31/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional district2nd
  • Montana county number 11

Its northern boundary is the CanadaUnited States border with Saskatchewan. The Missouri River defines its southern boundary.


  1. "QuickFacts: Phillips County, Montana". United States Census Bureau. Retrieved January 5, 2024.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. Koschmann, A.H.; M.H. Bergendahl (1968). "Principal Gold-Producing Districts of the United States, Phillips County Montana Gold Production". United States Geological Survey. Retrieved 17 February 2008.