Income needed to buy a home
Sweet Grass County, MT
$154,259
a year in household income to buy the typical Sweet Grass County home with 10% down.
The monthly math
Typical home value$486,199
Down payment (10%)$48,620
Loan$437,579
Principal and interest (7.40%)$3,030/mo
Property tax (0.36% a year)$144/mo
Homeowners insurance (estimate)$243/mo
Mortgage insurance$182/mo
Total monthly cost$3,599/mo
Income needed keeps housing at 28% of gross income, the lender rule of thumb.
What locals earn
Out of reach
The typical household here earns $77,000 a year, 50% of what it takes.
In Montana
Sweet Grass County ranks #44 of 56 for the income a home takes, from least to most.
Easiest to afford in Montana
| County | Typical home | Income needed |
|---|---|---|
| Prairie County | $133,878 | $43,122 |
| Roosevelt County | $151,704 | $49,849 |
| Glacier County | $166,389 | $53,581 |
| Carter County | $173,474 | $54,097 |
| Daniels County | $170,973 | $58,434 |
Typical home value from the Zillow Home Value Index, August 2026. Rate is the Freddie Mac 30-year average for Oct 8, 2026. Property tax rate is total taxes paid divided by total home value in the county (U.S. Census, ACS 2020-2024). How it works.