Checked
Granite County, MT
4 cities and towns and 4 ZIP codes in Granite County, Montana.
Population
3,462
Land area
1,727sq mi
People per sq mi
2
ZIP codes
4
Cities and towns in Granite County
Granite County at a glance
- Granite County is 74% less dense than Montana as a whole.
- Households here earn a median of $59,265 a year, 18% less than the Montana figure of $72,509.
- A typical owner-occupied home is valued at $352,700 (6% below Montana) and median rent is $675 a month.
- The biggest population centers are Philipsburg (754), Drummond (277) and Maxville (203).
Local data for Granite County, MT
Counts from official public data
Housing and community stats
Granite County, MT, American Community Survey 2020-2024
Median household income
$59,265
Poverty rate
10.2%
Median home value
$352,700
Prices -1.7% in a year
Median rent
$675/mo
Homeownership
77.9%
Bachelor's or higher
34.2%
Median age
53.0
Average commute
27.6 min
Largest reported origins and ancestries: German Americans (665), Irish Americans (413), Swedish Americans (252).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.9%
Aug 2026, -0.5 pts in a year
Average annual pay
$46,380
931 jobs, 2025
Income per person
$58,258
BEA, 2024
Federal spending
$28.7M
FY 2026, $8,660 per person
PPP loans
$6.5M
176 loans, 884 jobs reported
Campaign donations
$22K
Itemized, 2026 cycle
How people get to work
Granite County, MT, workers 16 and older. American Community Survey 5-year estimates
- Drove alone67.0%
- Carpooled16.4%
- Public transit0.0%
- Walked5.9%
- Bicycle0.3%
- Taxi, ride-hailing, motorcycle or other0.5%
- Worked from home9.9%
Average one-way commute: 27.6 minutes for people who do not work from home.
Environment and hazard risk
Granite County, MT, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: landslide
Storm events since 1996
996
Most often heavy snow
Flood insurance policies
15
0.5% of homes, county
July high / Jan low
81° / 15°F
16.5 inches of rain a year
Hazards, floods and storm historyCheck a flood zone8 historic places
Health statistics
Share of adults in Granite County, MT, CDC PLACES estimates
Obesity
30.4%
U.S. 33.3% -2.9 pts
Diabetes
12.3%
U.S. 12.1% about the same
Smoking
14.3%
U.S. 12.8% +1.5 pts
Uninsured (18-64)
9.7%
U.S. 11.1% -1.4 pts
Cities, towns and ZIP codes in Granite County
Population shown
Frequently asked questions
- What is the largest city in Granite County, MT?
- Philipsburg is the largest city or town in Granite County, with about 754 residents.
- How many ZIP codes are in Granite County?
- Granite County includes 4 ZIP Code Tabulation Areas, including 59825, 59832, 59837, 59858.
- What is the population of Granite County, MT?
- About 3,462 people live in Granite County, based on American Community Survey 5-year estimates.
- What counties border Granite County?
- Granite County borders Missoula County, Ravalli County, Deer Lodge County, Powell County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023