The Ballot Brief
Kootenai County, Idaho

Idaho Senate District 3

2 candidates are tracked for Idaho Senate District 3 on the November 3, 2026 ballot: Brian Seguin and Doug "Doug O" Okuniewicz. Candidate information follows official Kootenai County election filings; verify with the official election office linked below.

About this race

Brian Seguin (D), Doug "Doug O" Okuniewicz (R) are on the November 3, 2026 ballot for Idaho Senate District 3. Doug "Doug O" Okuniewicz is the sitting member, per the Idaho Legislature's membership roster. Party nominees were chosen at the May 19, 2026 primary, per the Idaho Secretary of State's candidate filing portal.

What this office does

State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.

This race. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Doug "Doug O" Okuniewicz, is on the ballot.

Idaho › Kootenai County › Idaho Senate District 3

Brian Seguin

Democrat

Biography

Brian Seguin is the Democratic nominee for Idaho Senate District 3 on the November 3, 2026 ballot, per the Idaho Secretary of State's candidate filing portal. No campaign website was found as of September 17, 2026.

Doug "Doug O" Okuniewicz

RepublicanIncumbent

Biography

Doug Okuniewicz is a small business owner in IP management from Hayden, serving his second term in the Idaho Senate after previously serving one term in the Idaho House from 2020 to 2022, per the Idaho Legislature. No campaign website was found as of September 18, 2026.

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Questions about this race

Who is running for Idaho Senate District 3 in 2026?

2 candidates are tracked for Idaho Senate District 3 on the November 3, 2026 ballot: Brian Seguin and Doug "Doug O" Okuniewicz. Candidate information follows official Kootenai County election filings; verify with the official election office linked below.

When is the Idaho Senate District 3 election in Idaho?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Idaho are on the Idaho election hub at theballotbrief.com.

How do I see my exact Kootenai County ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Verify this race

Candidate roster from official Kootenai County and state election office filings, last verified September 27, 2026. Bios and priorities carry their attribution inline.

Cross-check with the official Idaho election office, or see the full Kootenai County sample ballot and your exact ballot by address.

The rest of your Kootenai County ballot

18 tracked races in Kootenai County, Idaho. Landed here from another county's search? Look up your own ballot below.

Also on your ballot
Idaho Senate District 5Idaho House District 2 Seat AIdaho House District 3 Seat ASee all 18 Kootenai County races
Candidate profiles
Brian Seguin, full profileDoug "Doug O" Okuniewicz, full profileOfficial Idaho election office