Idaho Property Tax Data

By Kiznis Studio Editorial · May 2026

ACS 2024 property tax data for 44 counties in ID.

The average median property tax in Idaho is $1,589/year, which is 20% below the national average of $1,993. The average effective tax rate is 0.46% on a median home value of $355,261. Taxes range from $713 in Clark County to $2,778 in Blaine County.

What This Data Tells Us About Idaho

Across 44 counties in Idaho, the average median property tax is $1,589 per year, 20% below the national median of $1,993. The statewide effective rate of 0.46% on a median home value of $355,261 reflects how Idaho's assessment rules and local millage combine at the household level.

Within Idaho, median annual tax ranges from $713 in Clark County (effective rate 0.33%) to $2,778 in Blaine County (effective rate 0.38%). Median home values in Idaho ($355,261) compared with $227,791 nationally help explain why the same effective rate produces different dollar bills in different states. Within-state variation often tracks local school levies, county bonds, and municipal overlays rather than a single statewide rate.

This page is for informational purposes only and is not tax, legal, or financial advice. Figures describe median homeowner households reported to the Census Bureau — individual bills can differ based on assessed value, exemptions, special districts, and local overlays. Always confirm current rates with your county assessor or a qualified professional before making decisions that rely on these numbers.

State Average vs National Average

Median Annual Tax

$1,589

-20% vs US avg

Median Home Value

$355,261

+56% vs US avg

Effective Tax Rate

0.46%

-50% vs US avg

Lowest Property Taxes in Idaho

Counties with the cheapest tax bills →

Highest Property Taxes in Idaho

Counties with the most expensive tax bills →

Top 5 Lowest Tax Counties

Top 5 Highest Tax Counties

Tax Affordability Score

Very Affordable

Based on the average effective tax rate of 0.46% compared to the national average of 0.92%. Idaho has below-average property tax rates, making it a more affordable state for homeowners.

Very Expensive Very Affordable

All Counties in Idaho (44)

County	Median Tax	Effective Rate	Home Value	Population
Ada County	$2,655	0.52%	$512,300	143,399
Adams County	$1,359	0.36%	$376,500	1,505
Bannock County	$1,920	0.64%	$300,700	23,353
Bear Lake County	$1,116	0.41%	$275,000	2,039
Benewah County	$1,443	0.49%	$293,500	2,980
Bingham County	$1,477	0.50%	$293,300	12,987
Blaine County	$2,778	0.38%	$735,300	7,658
Boise County	$1,611	0.34%	$476,100	3,244
Bonner County	$1,847	0.38%	$487,900	15,877
Bonneville County	$1,858	0.50%	$368,800	31,697
Boundary County	$1,595	0.39%	$410,500	3,799
Butte County	$1,061	0.49%	$217,600	832
Camas County	$1,132	0.37%	$304,000	296
Canyon County	$2,011	0.52%	$390,000	65,016
Caribou County	$1,341	0.56%	$241,500	2,020
Cassia County	$1,166	0.41%	$284,600	5,830
Clark County	$713	0.33%	$216,900	171
Clearwater County	$1,443	0.54%	$268,200	3,013
Custer County	$1,112	0.29%	$381,700	1,492
Elmore County	$1,701	0.54%	$316,500	7,259
Franklin County	$1,482	0.40%	$372,600	3,854
Fremont County	$1,398	0.44%	$314,200	3,846
Gem County	$1,418	0.33%	$428,700	5,811
Gooding County	$1,279	0.51%	$250,900	4,039
Idaho County	$995	0.32%	$310,200	5,484
Jefferson County	$1,824	0.45%	$408,400	8,468
Jerome County	$1,725	0.63%	$271,800	6,228
Kootenai County	$2,267	0.44%	$518,700	50,734
Latah County	$2,368	0.64%	$368,600	9,549
Lemhi County	$1,156	0.35%	$326,100	2,741
Lewis County	$1,341	0.60%	$225,300	1,203
Lincoln County	$1,092	0.43%	$255,600	1,458
Madison County	$2,001	0.48%	$414,800	5,363
Minidoka County	$1,261	0.48%	$262,600	5,608
Nez Perce County	$2,609	0.78%	$334,700	12,164
Oneida County	$1,207	0.44%	$272,000	1,696
Owyhee County	$1,432	0.40%	$359,800	3,151
Payette County	$1,357	0.40%	$341,800	7,221
Power County	$1,496	0.70%	$212,900	2,074
Shoshone County	$1,334	0.50%	$267,400	4,264
Teton County	$2,143	0.31%	$690,500	3,780
Twin Falls County	$2,066	0.61%	$337,900	24,488
Valley County	$1,964	0.30%	$657,000	3,536
Washington County	$1,371	0.49%	$278,100	3,134

Frequently Asked Questions

What is the average property tax in Idaho? ▼

The average median property tax paid in Idaho is $1,589 per year, based on ACS 2024 data. The average effective tax rate is 0.46%.

How does Idaho compare to the national average? ▼

Idaho property taxes are 20% below the national average. Homeowners here pay a median of $1,589 per year compared to $1,993 nationally.

Which county in Idaho has the lowest property taxes? ▼

Clark County has the lowest median property tax in Idaho at $713 per year with an effective rate of 0.33%. The highest is Blaine County at $2,778.

How are property taxes calculated? ▼

Property taxes are calculated by multiplying the assessed value of a property by the local tax rate (mill rate). Rates vary by county, city, and school district. The effective tax rate shown here is the median tax paid divided by the median home value, which provides a standardized comparison across counties.

What is the median home value in Idaho? ▼

The median home value across Idaho is $355,261, compared to $227,791 nationally. Home values directly impact property tax bills since taxes are assessed as a percentage of property value.

Can I appeal my property taxes in Idaho? ▼

Yes. Every Idaho homeowner has the right to appeal their property tax assessment. The process typically starts at your county assessor's office within 30-90 days of receiving your assessment notice. You can challenge the assessed value by providing comparable sales data, evidence of property condition, or errors in the assessment. See our guide on how to appeal property taxes for detailed steps.