Granite County , Montana

Granite County: County in Montana, United States

Granite County locator map
Location of Granite County on Montana map.


Granite County is a county located in the U.S. state of Montana. As of the 2010 census, the population was 3,079 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 3,317 inhabitants. Its county seat is Philipsburg. The county was created 128 years ago in 1893.

Granite County Jail image
Granite County Jail
Granite County Jail image


Granite County is located at 46°24'16"N 113°26'25"W (46.4044400, -113.4402600). It has 4 neighbors: Powell County, Deer Lodge County, Missoula County and Ravalli County.

Granite County map

. See all Granite County cities & populated places.


Granite County forecast: Mostly clear, with a low around 35. more

Granite County Quick Facts

Population : 3,317 (2020)
Country : United States of America
State : Montana (United States)
Area : 4489 km2
Water as percent of area : 0.3%
Land as percent of area : 99.7%
Named for : granite
Altitude : 5,997 feet / 1828 meters
Capital : Philipsburg
Establishment : February 02, 1893
Time Zone : America/Denver
Local time : 19:32:11 (17th October 2021)
Density : 1 Pop. per km² as of 2020
Population growth : 7.18% (2010-2020)
Weather : 35℉ Mostly Clear 7-days weather

Granite County has 4 neighbours.

  • Philipsburg


The population of Granite County increased by 7.18% in 10 years.

Year Population % Change Method
2010 3,079 - census
2011 3,079 0% estimation process
2012 3,042 -1.22% estimation process
2013 3,069 0.88% estimation process
2014 3,146 2.45% estimation process
2015 3,163 0.54% estimation process
2016 3,286 3.74% estimation process
2017 3,356 2.09% estimation process
2018 3,371 0.44% estimation process
2019 3,379 0.24% estimation process
2020 3,317 -1.87% estimation process

Comitatul Granite, Comte de Granite, Comté de Granite, Condado de Granite, Condado han Granite, Contea di Granite, Granit, Granit srjan, Granite, Granite Kun, Granite Kūn, Granite konderria, Granite megye, Granitei maakond, Grenajt, Hrabstwo Granite, Okrug Granit, Quan Granite, Quận Granite, ge la ni te xian, grana'ita ka'unti, guranitto jun, mqatʿt ghranyty, shhrstan grnyt mwntana, Гранит, Округ Гранит, Ґренайт, Գրանիտ շրջան, شهرستان گرنیت، مونتانا, مقاطعة غرانيتي, گرینائٹ کاؤنٹی، مونٹانا, گرینائٹ کاؤنٹی،مونٹانا, গ্রানাইট কাউন্টি, グラニット郡, 格拉尼特縣

Other places with the same name (1)

Granite County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Granite County.

City Name Population Title
Philipsburg 906 Town in Montana, USA
Drummond 330 Town in Granite County, Montana, United States

Montana Other Counties (more counties)

County Name Population Title
Yellowstone County 162,990 County in Montana, United States of America
Missoula County 121,630 County in Montana, United States
Gallatin County 116,806 County in Montana, United States
Billings 109,736 City in Montana, United States of America
Flathead County 105,851 County in Montana, United States
Cascade County 81,346 County in central Montana, United States
Missoula 76,848 County seat of Missoula County, Montana, United States
Lewis and Clark County 70,229 County in Montana, United States
Great Falls 58,353 Town in Cascade County, Montana, United States
Bozeman 50,970 Town in Gallatin County, Montana, United States
Ravalli County 45,002 County in Montana, United States
Silver Bow County 35,180 County in Montana, United States
Butte 34,190 Consolidated city-county in Montana, United States
Helena 33,737 State capital of Montana, United States and seat of Lewis and Clark County
Lake County 30,986 County in Montana, United States
Kalispell 25,329 City in Flathead County, Montana, United States