Gem County property tax
Homeowners in Gem County, Idaho typically pay about 0.33% of their home's value in property tax each year — a median bill of $1,418 on a median home value of $428,700.
Typical effective rate
0.33%
higher than 97% of U.S. counties
Median tax paid
$1,418
per year
Median home value
$428,700
In ID
#39
of 44 ranked counties
At a glance
- Effective rate 0.33% — 65% lower than the U.S. median of 0.94%, and 32% lower than the Idaho median of 0.49%.
- With vs. without a mortgage — median tax $1,455 for mortgaged homes, $1,385 for homes owned outright.
- State ranking — 39th highest effective rate of 44 ranked Idaho counties; nationally it sits around the 3th percentile.
Estimate a bill for Gem County
Apply this county's typical effective rate (0.33%) to a home value of your choice.
Frequently asked questions
What is the property tax rate in Gem County, ID?
The typical effective property-tax rate in Gem County is 0.33% of a home's value per year, based on median taxes paid ($1,418) divided by the median home value ($428,700) in the Census ACS 2020–2024 5-year estimates. This is a typical burden for comparison, not a statutory mill rate.
How much is property tax on a typical home in Gem County?
The median owner-occupied home in Gem County is valued at $428,700, and the median real estate tax paid is $1,418 per year. Homes with a mortgage have a median tax of $1,455, versus $1,385 for homes without one.
How does Gem County compare to the rest of Idaho?
Gem County's effective rate is 32% lower than the Idaho median, ranking 39th of 44 ranked counties in the state.
Compare nearby Idaho counties
Counties ranked closest to Gem County by in-state effective rate. Open the comparison tool or see all Idaho counties.
| In-state | County | Effective rate | Median tax |
|---|---|---|---|
| 36 | Adams County | 0.36% | $1,359 |
| 37 | Lemhi County | 0.35% | $1,156 |
| 38 | Boise County | 0.34% | $1,611 |
| 40 | Clark County | 0.33% | $713 |
| 41 | Idaho County | 0.32% | $995 |
| 42 | Teton County | 0.31% | $2,143 |
Official data & resources for Gem County
- Gem County Census profile (data.census.gov) — housing, value and tax figures for this county.
- Table B25103 for Gem County — median real estate taxes paid (the source for the tax figures above).
- Table B25077 for Gem County — median home value.
- Federal forms & is property tax deductible? — IRS Pub 530, Schedule A and the SALT cap, plus your state tax agency.
Finding your exact bill
Your county or municipal assessor (sometimes called the appraisal district, property appraiser, or tax collector) sets the assessed value and the exact millage that produces your bill. Search for "[county name] [state] assessor" or "property tax" on an official .gov site.
Figures on this page are Census survey medians for the whole county (2020–2024 5-year), not an assessment of any individual property. Rates, exemptions and assessment practices vary by municipality and school district within a county.