Gem County, Idaho home prices
Typical home $479,474 · +3.6% in a year · property tax 0.33%
The typical home in Gem County is worth $479,474, about the same as the Idaho typical home ($476,754). Values changed +3.6% in the past year and +8.4% over five years. Homeowners here pay a median 0.33% of their home's value in property tax each year ($1,586 on the typical home), versus 0.42% statewide.
Mortgage on the typical Gem County home
| Down payment | Cash down | Loan | Principal + interest | PMI / MIP | Tax + insurance | Total / month | Income needed |
|---|---|---|---|---|---|---|---|
| 20% down | $95,895 | $383,579 | $2,580 | $0 | $372 | $2,952 | $126,500 |
| 10% down | $47,947 | $431,527 | $2,903 | $180 | $372 | $3,455 | $148,100 |
| 5% down | $23,974 | $455,501 | $3,064 | $190 | $372 | $3,626 | $155,400 |
| 3.5% down (FHA) | $16,782 | $470,790 | $3,167 | $212 | $372 | $3,751 | $160,800 |
Assumes a 30-year fixed loan at 7.11%, property tax of 0.33% of the home value a year, homeowners insurance of 0.6% a year, PMI of 0.5% of the loan a year when the down payment is under 20%, and FHA mortgage insurance of 0.55% a year plus a 1.75% upfront premium added to the loan. Your rate, taxes and insurance will differ.
What it takes: see what you can afford by salary in Idaho · part of the Boise City metro area.
Idaho counties with similar prices
| County | Typical home | 1-yr change | Tax rate |
|---|---|---|---|
| Boise County | $479,858 | +2.9% | 0.34% |
| Latah County | $475,190 | +1.3% | 0.64% |
| Fremont County | $473,183 | +6.8% | 0.44% |
| Jefferson County | $469,151 | +2.9% | 0.45% |
| Boundary County | $464,905 | +3.4% | 0.39% |
| Adams County | $510,933 | +1.9% | 0.36% |
| Franklin County | $435,938 | +2.7% | 0.4% |
| Ada County | $525,709 | +1.6% | 0.52% |
| Owyhee County | $433,227 | +3.4% | 0.4% |
| Madison County | $423,156 | +5.3% | 0.48% |
Frequently asked questions
What is the average home price in Gem County, ID?
The typical home value in Gem County is $479,474 (Zillow Home Value Index, September 2026).
How much do you need to earn to buy a house in Gem County?
About $126,500 a year for the typical home with 20% down at a 7.11% 30-year rate.
What is the property tax rate in Gem County?
The median effective rate is 0.33% of home value a year (Census ACS 2024 5-year estimates).