In Ada County, Idaho the effective property tax rate is 0.56%. The median homeowner pays $2,643 a year in real estate taxes on a home with a median value of $476,000. That rate is the 13th highest of the 44 Idaho counties with published data, and the 2464th highest of 3,132 counties in the United States.
Property tax in Ada County
The effective rate is the median real estate tax paid divided by the median home value. The Idaho statewide average is 0.53%, so Ada County is above it. Applying this county's rate to other home prices gives a rough idea of the yearly bill; actual bills depend on the school district, exemptions and the assessed value.
| Home value | Estimated tax per year | Per month |
|---|---|---|
| $200,000 | $1,120 | $93 |
| $300,000 | $1,680 | $140 |
| $400,000 | $2,240 | $187 |
| $476,000 (county median) | $2,640 | $220 |
| $500,000 | $2,800 | $233 |
Home values and incomes
The median home value is $476,000 (4th highest in Idaho, 130th highest nationally) and the median household income is $88,907. Homes cost about 5.4 times a typical household's yearly income. Median gross rent is $1,465 a month. 71.4% of occupied homes are owner-occupied. Homeowners with a mortgage pay a median of $946 a year for insurance. For comparison, the Idaho statewide median home value is $476,754.
Counties near Ada County in the Idaho property tax ranking
| County | Effective rate | Median home value |
|---|---|---|
| Elmore County | 0.60% | $278,300 |
| Canyon County | 0.57% | $350,300 |
| Shoshone County | 0.57% | $222,700 |
| Ada County | 0.56% | $476,000 |
| Benewah County | 0.55% | $255,800 |
| Bonneville County | 0.55% | $327,000 |
| Bingham County | 0.54% | $258,000 |
Frequently asked questions
What is the property tax rate in Ada County, Idaho?
The effective property tax rate is 0.56% of home value per year, the 13th highest of 44 counties in Idaho (Census ACS 2023 5-year estimates).
How much is property tax on a $300,000 home in Ada County?
At the county's effective rate of 0.56%, about $1,680 a year (roughly $140 a month). Your actual bill depends on the assessed value, your school district and exemptions.
What is the median home value in Ada County?
The median home value is $476,000 (Census ACS 2023 5-year estimates, owner-occupied homes).
What is the median household income in Ada County?
The median household income is $88,907 (Census ACS 2023 5-year estimates).