Lewis and Clark County, Montana

Montana House District 84

2 candidates are tracked for Montana House District 84 on the November 3, 2026 ballot: Roy Caldwell and Tia Nelson. Candidate information follows official Lewis and Clark County election filings; verify with the official election office linked below.

About this race

Roy Caldwell (Republican), Tia Nelson (Democratic) are on the November 3, 2026 ballot for Montana House District 84. The state's list marks no incumbent for this seat. Party nominees were chosen at the June 2, 2026 primary, per the Montana Secretary of State's 2026 candidate list.

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.

Montana › Lewis and Clark County › Montana House District 84

Roy Caldwell

Republican

Top priorities

Integrity, service and community focus in representing Helena Valley Northeast

Per the campaign site.

Biography

Roy is a 1985 graduate of the U.S. Air Force Academy who retired after 32 years of Air Force service in 2013, per the campaign site. He has also worked as an FAA-certified aircraft dispatcher, a middle school science teacher, and now works as a Management and Program Analyst with the Department of Veterans Affairs at the Montana VA Healthcare System, per the campaign site.

Campaign site (opens in a new tab)

Tia Nelson

Democratic

Biography

Tia Nelson is the Democratic nominee for Montana House District 84 on the November 3, 2026 ballot, per the Montana Secretary of State's 2026 candidate list. No campaign website was found as of September 17, 2026.

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Voting info and more

Questions about this race

Who is running for Montana House District 84 in 2026?

When is the Montana House District 84 election in Montana?

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

How do I see my exact Lewis and Clark 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 Lewis and Clark County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.

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

The rest of your Lewis and Clark County ballot

15 tracked races in Lewis and Clark County, Montana. Landed here from another county's search? Look up your own ballot below.

Also on your ballot

Lewis and Clark County Justice of the Peace Public Service Commission District 5 District Court Judge, 1st Judicial District, Department 3 See all 15 Lewis and Clark County races

Candidate profiles

Roy Caldwell, full profile Tia Nelson, full profile Official Montana election office