Home values, rents and more in Granite County, MT
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
Open Granite County, MT in ProMap- Under $330k
- $330k–$390k
- $390k–$460k
- $460k–$570k
- $570k+
- No data
How Granite County, MT compares
The typical home in Granite County, MT is worth about $462,000, according to the Zillow Home Value Index for September 2026. Home values in Granite County, MT are about the same as the typical value in Montana ($467,000) and 26% above the U.S. typical value ($366,000).
Over the past year, home values in Granite County, MT rose 3.6%, compared with +2.0% in Montana and +1.2% nationally.
The median household income is $59,265, against $72,509 in Montana and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 3,658 people live in Granite County, MT (Census Bureau estimate for July 2025).
Granite County, MT has the 14th-highest typical home value of the 56 counties in Montana with Zillow figures.
Part of: Montana
More for Granite County, MT in ProMap Plus
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- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- School test scores
- Flood, wildfire and natural hazard risk
- Property-tax rate
- Unemployment and job growth
- Building permits
- Mortgage delinquency
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby counties
Cities in Granite County, MT
ZIP codes in Granite County, MT
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.