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Bonneville County

Bonneville County is a county in Idaho. It pays for public works, health and human services, police and jails. In 2022, Bonneville County spent about $90.6M. This is a Census of Governments estimate across all of its funds.

Collected and spent

In 2022, Bonneville County spent about $90.6M. This is a Census of Governments estimate across all of its funds.

Spent
$90.6M
Fiscal year 2022 · Census of Governments estimate, all funds · spending

Where the money comes from

One tax.

Property tax
0.002508 of value
Source · Idaho State Tax Commission — 2024 Approved Levy Rates by County by District, Bonneville 2024 property tax. Read on July 23, 2026.
DetailsBonneville 2024 property tax — certified 2024 levy rate 0.002508021 per $1 of net taxable value = 2.508021 mills, the district's own printed Total in the Idaho State Tax Commission 2024 Approved Levy Rates by County by District (EPB00705). ~1.5% grouping divergence vs the certified per-district total, flagged. the certified state figure is sealed; the county sheet's grouping difference is flagged for follow-up. RATE is document-certified; taxable value is computed by the engine's statutory homestead exemption — the lesser of $125,000 or 50% of market value, owner-occupied (I.C. §63-602G), declared on the ID StateProfile — with assessmentRate 1.0 (full market; the exemption is the only subtraction). Renters carry the landlord's full unexempted value

Where it goes

Nine service lines.

Public works
$19.1M
Health and human services
$15.2M
Police
$14.6M
Corrections
$13.7M
Courts
$10.3M
General government
$9.2M
Other
$7.6M
Parks and recreation
$1.0M
Debt service · past obligation
$0.0M

Bars in both tables share one scale. Hatched lines pay for past obligations, not current services.

Who decides

The 3 commissioners adopt the county budget. They make a tentative budget, publish it, and hold a hearing. They fix the final budget in September.

Karl T. Casperson
Commissioner, District 1
Term end not published
Re-check by November 3, 2026
Jonathan D. Walker
Commissioner, District 2
Term end not published
Re-check by November 3, 2026
Michelle Mallard
Commissioner, District 3
Term end not published
Re-check by November 3, 2026
Source · Idaho Legislature — Idaho Statutes, Idaho Code §31-1604, tentative and final budget. Read on October 10, 2026.
DetailsIdaho Code §31-1604, tentative and final budget (read 2026-10-10)

When decisions happen

State law starts the county fiscal year on October 1. The board sets the final budget by the Tuesday after the first Monday in September.

Each yearThe county fiscal year runs October 1 to September 30.
Next electionThe next general election is November 3, 2026.
Idaho votes in November of even years.

How to reach it

Commissioners Office: (208) 529-1360
Phone
Commissioners Office, 605 N Capital Ave, Idaho Falls, ID 83402
Mailing address
Source · Idaho Legislature — Idaho Statutes, Idaho Code §31-1601, county fiscal year. Read on October 10, 2026.
DetailsIdaho Code §31-1601, county fiscal year (read 2026-10-10)

Also on this tax bill

A Bonneville County address pays these governments too. Which school districts and cities apply depends on the address.

On every bill in Bonneville County

On some bills, depending on the address

School districts: 6

Swan Valley Elementary School District 92Not in Who Taxes Me yet
Bonneville Joint School District 93Not in Who Taxes Me yet
Idaho Falls School District 91School district
Soda Springs Joint School District 150Not in Who Taxes Me yet
Ririe Joint School District 252Not in Who Taxes Me yet
Shelley Joint School District 60Not in Who Taxes Me yet

Cities: 2

Idaho FallsCity
Swan ValleyNot in Who Taxes Me yet

Sources

Taxes
Idaho State Tax Commission — 2024 Approved Levy Rates by County by District, Bonneville 2024 property tax. Read on July 23, 2026.
DetailsBonneville 2024 property tax — certified 2024 levy rate 0.002508021 per $1 of net taxable value = 2.508021 mills, the district's own printed Total in the Idaho State Tax Commission 2024 Approved Levy Rates by County by District (EPB00705). ~1.5% grouping divergence vs the certified per-district total, flagged. the certified state figure is sealed; the county sheet's grouping difference is flagged for follow-up. RATE is document-certified; taxable value is computed by the engine's statutory homestead exemption — the lesser of $125,000 or 50% of market value, owner-occupied (I.C. §63-602G), declared on the ID StateProfile — with assessmentRate 1.0 (full market; the exemption is the only subtraction). Renters carry the landlord's full unexempted value
Who decides
Idaho Legislature — Idaho Statutes, Idaho Code §31-1604, tentative and final budget. Read on October 10, 2026.
DetailsIdaho Code §31-1604, tentative and final budget (read 2026-10-10)
When decisions happen
Idaho Legislature — Idaho Statutes, Idaho Code §31-1601, county fiscal year. Read on October 10, 2026.
DetailsIdaho Code §31-1601, county fiscal year (read 2026-10-10)
How to reach it
Bonneville County, Bonneville County commissioners page. Read on October 10, 2026.
DetailsBonneville County commissioners page (read 2026-10-10)

To act on what you have read

Who Taxes Me describes. These three tools, made by the same team, are where you can do something about it. Each opens in a new tab.