Property tax in Jerome County, Idaho

Updated

The median property tax bill in Jerome County, Idaho is $1,725 a year, which is about 0.63% of the county's median home value of $271,800. That effective rate is higher than the typical Idaho county (0.45%) and lower than the national median (0.81%). These are American Community Survey 5-year estimates (2024); your own bill depends on your home's assessed value and any exemptions.

Estimate the property tax on a home in Jerome County

Enter a home's market value for a ballpark at Jerome County's average effective rate of 0.63% (Census). The real bill depends on the home's assessed value, the millage where it sits and any exemptions.


Estimated property tax: $1,712 / year

Property tax in Jerome County at a glance

Jerome County, Idaho property tax (Census ACS, reviewed September 23, 2026)
MeasureValue
Median annual property tax$1,725
Median home value$271,800
Effective tax rate0.63%
Typical Idaho county rate0.45%
National median county rate0.81%

Effective rate = median real estate taxes paid divided by median home value. Source: U.S. Census Bureau, American Community Survey 5-year estimates.

How does Jerome County compare in Idaho?

Among Idaho's 44 counties, Jerome County has the 5th highest effective property-tax rate: 4 rank higher and 39 rank lower. That places it among the most heavily taxed counties in the state. Nationally, it ranks 2140th of 3135 US counties by effective rate. See every Idaho county ranked.

How much do homeowners in Jerome County actually pay?

The median is only the middle bill. Across Jerome County's 6,228 owner-occupied homes, 16.8% pay $3,000 or more a year in property tax, 36.7% pay at least $2,000, and 12.9% pay under $800. Another 6% report paying no property tax at all, which usually means an exemption covers the whole bill.

Annual property tax paid by Jerome County homeowners (Census ACS 2020-2024)
Annual billHomesShare
Under $80080412.9%
$800 to $1,4991,59525.6%
$1,500 to $1,9991,16918.8%
$2,000 to $2,9991,23919.9%
$3,000 or more1,04516.8%
No property tax paid3766%

Owners with a mortgage pay a median of $1,746 and owners without one pay $1,676. That is within 10% either way, so in Jerome County paying off the house does not go with a noticeably different bill. Census table B25103.

How does the Jerome County property tax bill compare with local incomes?

The median property tax bill of $1,725 is about 2.2% of the median income of Jerome County homeowner households, $79,466 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 75.2% of Jerome County's occupied homes are lived in by their owners; renters pay property tax too, just folded into rent.

Have property taxes gone up in Jerome County?

Yes. The median bill went from $1,163 in 2015-2019 to $1,725 in 2020-2024, a 48.3% rise. Over the same span the median home value moved 65.1%, from $164,600 to $271,800. Bills rose more slowly than values, which is what assessment caps and falling millage rates do: the county is taxing a smaller share of each home's worth.

Two Census ACS 5-year periods with no survey years in common, in each period's own dollars. A change counts only if it exceeds the combined 90% margin of error.

Property tax in counties next to Jerome County

Jerome County borders 5 counties.

Jerome County and its neighbors, highest effective rate first (Census ACS 2020-2024)
CountyEffective rateMedian billMedian home value
Jerome County, ID (this county)0.63%$1,725$271,800
Twin Falls County, ID0.61%$2,066$337,900
Gooding County, ID0.51%$1,279$250,900
Minidoka County, ID0.48%$1,261$262,600
Lincoln County, ID0.43%$1,092$255,600
Cassia County, ID0.41%$1,166$284,600

How is a home assessed in Jerome County?

Idaho assesses homes at 100% of market value in every county, Jerome County included. How Idaho assesses and reappraises homes.

Is there a homestead exemption in Jerome County?

Yes. Idaho's homeowner's exemption takes 50% of a primary home's value off the assessment, capped at $125,000. Apply once through the county assessor. That is the Idaho rule, and it applies in Jerome County. Idaho's exemptions and relief programs in full.

When are property taxes due in Jerome County?

Counties mail bills in November. The full amount is due by December 20, or you can split it and pay half by December 20 with the second half due by June 20. The June grace period only applies if the first half was paid in full and on time. Miss either deadline and late charges plus interest are added to whatever is outstanding.

Idaho splits the bill into 2 installments. That is the Idaho rule. Jerome County issues and collects the bill, so the dates printed on your statement are the ones that bind you.

How to appeal your Jerome County property assessment

You contest the assessed value with the county board of equalization, then the Idaho Board of Tax Appeals or district court. The filing deadline is typically the fourth Monday in June for property on the regular roll, or the fourth Monday in November for the subsequent roll. That is the Idaho rule; Jerome County sets the exact dates and forms. The Idaho appeal process step by step.

Idaho rules from primary state sources, reviewed September 7, 2026; sources on the Idaho page.

Work out your own numbers

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