The Ballot Brief
Kootenai County, Idaho

Idaho House District 3 Seat A

See where Mateer and Barbieri stand on the budget and health care. Names follow official Kootenai County election filings.

About this race

Melissa Mateer (D), Vito Barbieri (R) are on the November 3, 2026 ballot for Idaho House District 3 Seat A. Vito Barbieri 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, Vito Barbieri, is on the ballot.

This list comes from official election records but may be incomplete. It can miss, for example, late or petition candidates and some city, school and district races. Your official sample ballot is the final word.

We use AI to research and write election information. Errors are possible. Verify important details with official sources.

Idaho › Kootenai County › Idaho House District 3 Seat A

Melissa Mateer

Melissa Mateer

Democrat

Top priorities

From the campaign site

  • Healthcare access
  • Working families and a balanced budget
  • Honest representation
Biography

Mateer is a geologist and small-business owner who earned bachelor's and master's degrees in economic geology from Bowling Green State University and a PhD in geology from the University of Wyoming, per the campaign site. Mateer ran her own geologic consulting business with projects in the Dominican Republic, Chile, Argentina and Canada, and has lived in Coeur d'Alene since 2016, per the campaign site.

Vito Barbieri

RepublicanIncumbent

Biography

Vito Barbieri is a retired attorney from Dalton Gardens serving his eighth term representing District 3 Seat A, per the Idaho Legislature. No campaign website was found as of September 18, 2026.

Next on your ballotIdaho House District 4 Seat A

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Questions about this race

Who is running for Idaho House District 3 Seat A in 2026?

2 candidates are tracked for Idaho House District 3 Seat A on the November 3, 2026 ballot: Melissa Mateer and Vito Barbieri. Candidate information follows official Kootenai County election filings; verify with the official election office linked below. See where they stand on the budget and health care.

When is the Idaho House District 3 Seat A 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 October 24, 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 House District 5 Seat AIdaho House District 2 Seat BIdaho House District 3 Seat BSee all 18 Kootenai County races
Candidate profiles
Melissa Mateer, full profileVito Barbieri, full profileOfficial Idaho election office