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  • FIPS 30039

Granite County, Montana

Granite County had 3,602 residents in the Census Vintage 2024 estimate, on 1,727.2 square miles of land. It ranks 40th of 56 in Montana by population and 40th by land area.

Population
3,602
#40 of 56 in Montana · #2,915 in US
Area
1,727.2 sq mi
#40 of 56 in Montana · #346 in US
Density
2.1 / sq mi
#33 of 56 in Montana · #2,980 in US
Median household income
$65,695
#16 of 56 in Montana · #1,327 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Granite County within Montana. Pin: Helena.

Measure from here

Tools and pages that start from Granite County

Granite County population, land area and income

Granite County had 3,602 residents in the Census Vintage 2024 estimate, on 1,727.2 square miles of land. It ranks 40th of 56 in Montana by population and 40th by land area. That works out to 2.1 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Montana has 7,814 residents, so Granite County has 46% of the typical county's population.

Its SAIPE 2023 median household income of $65,695 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

3,602

3144th1st

2915th of 3,144 (US)

Land area

1,727 sq mi

3144th1st

346th of 3,144 (US)

Density

2.1 / sq mi

3144th1st

2980th of 3,144 (US)

Median household income

$65,695

3143rd1st

1327th of 3,143 (US)

Rank within Montana (56)

Population

3,602

56th1st

40th of 56 (MT)

Land area

1,727 sq mi

56th1st

40th of 56 (MT)

Density

2.1 / sq mi

56th1st

33rd of 56 (MT)

Median household income

$65,695

56th1st

16th of 56 (MT)

How Granite County's population changed since 2020

Granite County gained 296 residents between the July 2020 and July 2024 estimates, a rise of 9.0%. That ranks 10th of 56 in Montana for growth. The median Montana county changed by +2.8%, and the state as a whole by +4.6%.

Since the April 2020 estimates base, Granite County recorded 110 births and 166 deaths, a natural change of -56. Net international migration added +2 and net domestic migration, people moving to or from other US counties, came to +346. The largest single component was domestic migration, which added 346 people.

3,30620203,35420213,48220223,56520233,6022024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
110
Deaths
166
Net international migration
+2
Net domestic migration
+346
Change, July 2023 to July 2024
+37

Where Granite County is

The Census internal point of Granite County is at 46.396000, -113.427400. It sits in UTM zone 12N. The map shades Montana's 56 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Granite County outlined. Dots are towns of 1,000+ people with residents in it.

Liberty County: -1.2%Golden Valley County: +5.1%Dawson County: -2.1%Flathead County: +9.2%Beaverhead County: +6.7%Prairie County: +2.0%Garfield County: +0.9%Lewis and Clark County: +5.5%Sweet Grass County: +2.4%Wheatland County: -0.7%Ravalli County: +8.5%Jefferson County: +9.6%Carter County: -0.6%Chouteau County: -0.6%Custer County: +0.9%Teton County: +3.1%Granite County: +9.0%Deer Lodge County: +4.1%Cascade County: +0.1%Powder River County: +2.4%Meagher County: +7.3%Daniels County: -1.7%Glacier County: -1.8%Wibaux County: -2.7%Fallon County: -2.7%McCone County: -0.7%Sheridan County: -2.5%Missoula County: +3.5%Toole County: +3.7%Sanders County: +11.5%Roosevelt County: -5.6%Rosebud County: -1.3%Treasure County: -2.5%Yellowstone County: +3.9%Blaine County: -1.4%Musselshell County: +14.8%Broadwater County: +21.0%Powell County: +2.6%Fergus County: +3.4%Phillips County: +0.1%Gallatin County: +6.2%Silver Bow County: +2.6%Madison County: +12.6%Richland County: -4.4%Lake County: +6.9%Valley County: -1.7%Judith Basin County: +4.3%Hill County: -1.2%Big Horn County: -2.2%Stillwater County: +5.0%Carbon County: +9.4%Mineral County: +13.7%Petroleum County: +4.6%Pondera County: +3.4%Park County: +4.9%Lincoln County: +12.4%
Change 2020 to 2024
  1. < -1.4%
  2. < +0.9%
  3. < +3.9%
  4. < +7.3%
  5. ≥ +7.3%
no data

Orange pin: Granite County internal point. Dark pin: Helena.

Internal point

Decimal
46.396000, -113.427400
DMS
46°23'45.60"N 113°25'38.64"W
UTM
12N 313388.8E 5140910.6N
Geohash
c2prfyhsq
Plus code
85R89HWF+C2

Towns in Granite County

No incorporated place of 1,000 or more people has residents in Granite County. Its 3,602 residents live in smaller towns, census-designated places, or unincorporated land, which the subcounty estimates do not list at this size.

Counties bordering Granite County

The Census 2024 county adjacency file lists 4 neighbors for Granite County. The most populous is Missoula County, MT, with 122,546 residents. Distances run between Census internal points in a straight line.

Distance to Helena and the nearest big city

Helena is 68.4 miles ENE of Granite County's internal point in a straight line. The nearest place of 100,000 or more is Spokane Valley, WA (population 108,267), 199.5 miles away. The nearest place of 10,000 or more is Missoula, MT (population 78,204), 43.6 miles away.

Granite County FIPS code

The FIPS code of Granite County is 30039: state code 30 for Montana plus county code 039. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $65,695.

Questions people ask

What is the population of Granite County, Montana?

The Census Vintage 2024 estimate for July 1, 2024 is 3,602. That is up 296 people (9.0%) from the July 2020 estimate of 3,306.

What is the FIPS code of Granite County?

30039. The first two digits (30) are Montana; the last three (039) identify the county.

What is the largest town in Granite County?

No incorporated place of 1,000 or more people has residents in Granite County. Its people live in smaller towns, census-designated places or unincorporated land.

Which counties border Granite County?

4 county-equivalents border it in the Census 2024 adjacency file: Missoula County, MT; Ravalli County, MT; Deer Lodge County, MT; Powell County, MT.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.