Gem County, ID property tax
Census ACS 2023 5-year estimates · updated 2026-09-20
The median effective property tax rate in Gem County is 0.39%, below the Idaho median of 0.53% and below the national median of 0.98%. The median homeowner pays $1,443 a year on a home worth $367,300.
- Effective rate
- 0.39%
- Median annual bill
- $1,443
- Median home value
- $367,300
- Rank in Idaho
- 37of 43
Estimated annual bill by home value
| Home value | Estimated bill | Per month |
|---|---|---|
| $200,000 | $780 | $65 |
| $300,000 | $1,170 | $98 |
| $400,000 | $1,560 | $130 |
| $500,000 | $1,950 | $163 |
| $750,000 | $2,925 | $244 |
| $1,000,000 | $3,900 | $325 |
Gem County compared with Idaho and the US
| Area | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Gem County | 0.39% | $1,443 | $367,300 |
| Idaho median | 0.53% | $2,006 | $376,000 |
| United States median | 0.98% | $2,969 | n/a |
Rates and medians: U.S. Census Bureau, ACS 2023 5-year estimates, tables B25103 and B25077. Effective rate is median taxes paid divided by median owner-occupied home value.
Frequently asked questions
What is the property tax rate in Gem County, ID?
The median effective property tax rate in Gem County is 0.39% of home value, below the Idaho median of 0.53% and below the national median of 0.98%. The median homeowner pays $1,443 a year on a median home value of $367,300 (Census ACS 2023 5-year).
How much is property tax on a $400,000 house in Gem County?
About $1,560 per year at the county's median effective rate of 0.39%, before exemptions. The exact bill depends on the city, school district and special districts that serve the parcel, so treat this as a planning estimate.
How does Gem County compare with the rest of Idaho?
Gem County ranks 37 of 43 Idaho counties by effective rate. The Idaho median is 0.53% and the median bill is $2,006.