Ada County, Idaho Property Taxes
Census Bureau ACS property tax data for Idaho. Population: 140,354.
The median annual property tax in Ada County is $2,643, which is 73% higher than the Idaho state average and 37% above the national average. The effective tax rate is 0.56% on a median home value of $476,000. Property taxes represent 3.0% of the median household income in this county.
Median Annual Tax
$2,643
+73% vs State
+37% vs US
Median Home Value
$476,000
+53% vs State
+125% vs US
Effective Tax Rate
0.56%
+10% vs State
-41% vs US
With vs Without Mortgage
With Mortgage
$2,607
$217/mo
Without Mortgage
$2,725
$227/mo
Homeowners with a mortgage typically own higher-valued properties, which can result in higher tax bills.
Property Tax History
| Year | Median Tax | Effective Rate |
|---|---|---|
| 2023 | $2,643 +5.6% | 0.56% |
| 2022 | $2,504 +12.3% | 0.59% |
| 2021 | $2,229 +8.3% | 0.65% |
| 2020 | $2,058 +7.0% | 0.69% |
| 2019 | $1,923 | 0.71% |
Tax Burden
Tax-to-Income Ratio
3.0%
of median household income
Median Income
$88,907
per year
Monthly Tax
$220
per month
Other Counties in Idaho
Fremont County
Tax: $1,360/yr Rate: 0.48%
Clark County
Tax: $592/yr Rate: 0.29%
Owyhee County
Tax: $1,355/yr Rate: 0.48%
Camas County
Tax: $1,050/yr Rate: 0.42%
Latah County
Tax: $2,333/yr Rate: 0.68%
Bonner County
Tax: $1,716/yr Rate: 0.40%
Frequently Asked Questions
What is the average property tax in Ada County, Idaho? ▼
The median annual property tax in Ada County is $2,643 based on the most recent Census Bureau American Community Survey data. The effective tax rate is 0.56% on a median home value of $476,000.
How does Ada County property tax compare to the national average? ▼
Property taxes in Ada County are 37% above the national average of $1,923. The effective rate of 0.56% compares to 0.95% nationally.
Does having a mortgage affect property taxes in Ada County? ▼
In Ada County, homeowners with a mortgage pay a median of $2,607 in annual property taxes, while homeowners without a mortgage pay $2,725. This difference often reflects the value of homes rather than different tax rates.
What percentage of income goes to property taxes in Ada County? ▼
Property taxes in Ada County represent approximately 3.0% of the median household income of $88,907. The national benchmark is generally 2-4% of household income.
Explore More Data
Data source: U.S. Census Bureau, American Community Survey 5-Year Estimates. Property tax data reflects median amounts paid by homeowners. Effective rates are calculated as median tax divided by median home value.