Bonneville County, Idaho Property Taxes
Property Taxes in Bonneville County, Idaho
Median Bonneville County effective property tax rate: 0.44%, significantly lower than the national median of 1.02%.
Median Bonneville County home value: $404,640
Median annual Bonneville County tax bill: $1,809, $591 lower than the national median property tax bill of $2,400.
How are property taxes in Bonneville County calculated?
Property taxes in Bonneville County are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Bonneville County or another part of Bonneville County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Bonneville County, Idaho Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.44%
Estimate Property Tax Bill
$1,780
$1,652
How Does the Bonneville County Property Tax Calculator Work?
Use this Bonneville County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Bonneville County's median effective tax rate of 0.44% to generate your estimate.
Enter your property's estimated assessed value — the figure the appraisal district assigns for tax purposes, which is typically lower than market value after applicable exemptions. Our calculator uses the median effective rate for a more accurate estimate than the statutory millage rate alone.
Your actual bill may vary based on your specific exemptions, local school district levies, and any special assessment districts that apply to your property. Bonneville County’s median tax rate is lower than the state median tax rate of 0.42% and well below the national median property tax rate of 1.02%. The county’s median property tax bill is $1,809, compared with the national median property tax bill of $2,400.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Bonneville County.
Property Tax Rates Across Bonneville County, Idaho
What Are Effective Property Tax Rates Across Bonneville County?
Local government entities set tax rates, which vary widely across Bonneville County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.
Below, compare Bonneville County's effective property tax rate to other counties in Idaho or the U.S. median of 1.02%.
Bonneville County's median effective rate stands at 0.44%, which is lower than the national median of 1.02%. Within Bonneville County, the highest rate is found in Idaho Falls at 0.46%, while Iona has the lowest at 0.40%.
These variations reflect differences in local school district levies, special assessment districts assessments, and special district bonds — which compound the base county rate.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Bonneville County Tax Rate
0.44%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Idaho Tax Rate
0.42%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Bonneville County, Idaho
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Ammon | 0.31% | 0.35% | 0.39% | 0.47% | 0.62% |
| Idaho Falls | 0.30% | 0.37% | 0.46% | 0.58% | 0.85% |
| Iona | 0.32% | 0.37% | 0.40% | 0.44% | 0.58% |
| Irwin | 0.24% | 0.31% | 0.38% | 0.44% | 0.54% |
| Rigby | 0.24% | 0.31% | 0.37% | 0.51% | 0.62% |
| Ririe | 0.29% | 0.32% | 0.41% | 0.53% | 1.39% |
| Shelley | 0.26% | 0.30% | 0.31% | 0.52% | 0.77% |
| Swan Valley | 0.27% | 0.32% | 0.38% | 0.44% | 0.50% |
| Ucon | 0.28% | 0.29% | 0.33% | 0.39% | 0.53% |
| Wayan | 0.24% | 0.32% | 0.37% | 0.40% | 0.47% |
Source: Ownwell
Property Tax Assessment Values Across Bonneville County, Idaho
When examining property taxes in Bonneville County, understanding the distinction between "market value" and "assessed value" is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Bonneville County assessor estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In Bonneville County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of June.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Bonneville County.
For example, the median tax bill in Bonneville County is $1,809, compared with the national median property tax bill of $2,400. Tax bills range significantly across the county, with Ammon at the highest median home price of $457,026.
Property Tax Assessment Values Across Bonneville County, Idaho
Source: Ownwell
$241,650
$443,051
$644,451
Median Bonneville County Market Value
$404,640
Median Idaho Market Value
$389,309
Median United States Market Value
$235,294
Property Tax Assessment Values Across Bonneville County, Idaho
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Ammon | $314,742 | $362,775 | $457,026 | $538,586 | $660,733 |
| Idaho Falls | $169,806 | $294,839 | $396,977 | $518,991 | $657,250 |
| Iona | $291,902 | $357,096 | $437,513 | $547,211 | $676,420 |
| Irwin | $22,600 | $137,752 | $280,050 | $451,858 | $710,794 |
| Rigby | $115,178 | $208,450 | $319,730 | $437,286 | $521,086 |
| Ririe | $9,859 | $51,447 | $325,185 | $463,117 | $660,453 |
| Shelley | $132,780 | $297,544 | $412,950 | $599,798 | $639,243 |
| Swan Valley | $97,194 | $275,977 | $438,847 | $663,004 | $980,414 |
| Ucon | $253,900 | $306,876 | $355,040 | $422,272 | $494,023 |
| Wayan | $29,824 | $107,509 | $241,650 | $322,837 | $415,998 |
Source: Ownwell
Property Tax Bills Across Bonneville County, Idaho
Property tax bills in Bonneville County are calculated from a home’s assessed value, not its market price alone. Local taxing authorities apply the county’s tax rates to that assessed value, and the final bill reflects the combination of county, city, school, and special district levies. Factors such as location, property type, and any exemptions can also influence the amount a homeowner owes.
With a median home price of $404,640, bills can vary widely across the county. The 25th percentile tax bill is $1,191, while the 75th percentile is $2,584 and the 90th percentile reaches $3,535. That range shows how different assessments and local rates can affect homeowners even within the same county.
For comparison, the national median property tax rate is 1.02% and the national median property tax bill is $2,400. In Bonneville County, homeowners may see bills below or above that benchmark depending on how their property is assessed and which taxing districts apply.
Median Bonneville County Tax Bill
$1,809
Median Idaho Tax Bill
$1,726
Median United States Tax Bill
$2,400
Property Tax Bills Across Bonneville County, Idaho
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Ammon | $1,025 | $1,419 | $1,899 | $2,381 | $3,102 |
| Idaho Falls | $720 | $1,192 | $1,828 | $2,656 | $3,624 |
| Iona | $959 | $1,344 | $1,806 | $2,391 | $3,067 |
| Irwin | $231 | $478 | $984 | $1,565 | $2,593 |
| Rigby | $314 | $613 | $1,066 | $1,730 | $2,524 |
| Ririe | $105 | $254 | $1,094 | $1,692 | $2,525 |
| Shelley | $433 | $835 | $1,278 | $2,010 | $3,434 |
| Swan Valley | $512 | $986 | $1,527 | $2,541 | $3,866 |
| Ucon | $744 | $930 | $1,243 | $1,581 | $2,019 |
| Wayan | $155 | $410 | $795 | $1,126 | $1,559 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 22 |
Links | |
|---|---|
| Bonneville Tax Assessor | |
| Website | bonneville.esriemcs.com |