Adams County, ID property tax
Census ACS 2023 5-year estimates · updated 2026-09-20
The median effective property tax rate in Adams County is 0.41%, below the Idaho median of 0.53% and below the national median of 0.98%. The median homeowner pays $1,351 a year on a home worth $327,300.
- Effective rate
- 0.41%
- Median annual bill
- $1,351
- Median home value
- $327,300
- Rank in Idaho
- 34of 43
Estimated annual bill by home value
| Home value | Estimated bill | Per month |
|---|---|---|
| $200,000 | $820 | $68 |
| $300,000 | $1,230 | $102 |
| $400,000 | $1,640 | $137 |
| $500,000 | $2,050 | $171 |
| $750,000 | $3,075 | $256 |
| $1,000,000 | $4,100 | $342 |
Adams County compared with Idaho and the US
| Area | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Adams County | 0.41% | $1,351 | $327,300 |
| 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 Adams County, ID?
The median effective property tax rate in Adams County is 0.41% of home value, below the Idaho median of 0.53% and below the national median of 0.98%. The median homeowner pays $1,351 a year on a median home value of $327,300 (Census ACS 2023 5-year).
How much is property tax on a $400,000 house in Adams County?
About $1,640 per year at the county's median effective rate of 0.41%, 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 Adams County compare with the rest of Idaho?
Adams County ranks 34 of 43 Idaho counties by effective rate. The Idaho median is 0.53% and the median bill is $2,006.