The Ballot Brief
Hamilton County, Indiana

Indiana Senate District 25

2 candidates are tracked for Indiana Senate District 25 on the November 3, 2026 ballot: Tamie Dixon-Tatum and Mike Gaskill. Candidate information follows official Hamilton County election filings; verify with the official election office linked below.

About this race

Tamie Dixon-Tatum (Democratic), Mike Gaskill (Republican) are on the November 3 ballot for Indiana Senate District 25; Mike Gaskill is the sitting member, per the General Assembly caucus rosters. Democratic and Republican nominees were chosen at the May 5 primary; Libertarian nominees at the party's convention. The field is the Secretary of State's 2026 general election candidate list (updated August 27, 2026). This seat is elected by district; only the district covering your address appears on your ballot.

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, Mike Gaskill, is on the ballot.

Indiana › Hamilton County › Indiana Senate District 25

Tamie Dixon-Tatum

Tamie Dixon-Tatum

Democratic

Top priorities
  • Affordable and dignified housing
  • Strengthening workers' rights and collective bargaining
  • Healthcare and childcare access

Per the campaign site.

Biography

Tamie Dixon-Tatum is the Democratic candidate for Indiana Senate District 25 on the November 3, 2026 ballot, per the Secretary of State's 2026 general election candidate list. Is a former member of UAW Local 662/663 and a certified labor studies trainer with certification in grievance handling and negotiations from Indiana University, per campaign site. Graduated from Anderson High School, holds a bachelor's degree in Telecommunications from IUPUI, a master's degree in Government from Wesleyan University, and a master's degree in Legal Studies from Trinity Law School, per campaign site.

Campaign site (opens in a new tab)

Mike Gaskill

Republican Incumbent

Top priorities
  • Supports school choice and giving parents a greater voice in their children's education
  • Says he has not voted for a tax increase during his time in the legislature

Per the campaign site.

Biography

Mike Gaskill is a Madison County native and small business owner who has served as a State Senator since 2018, per the campaign site. He graduated from Pendleton Heights High School and Anderson University and has operated an insurance and financial services business in Anderson since 1993, per the campaign site. He previously served on the South Madison Community School Board and the Madison County Council, per the campaign site, and following redistricting is now a candidate for Indiana Senate District 25.

Campaign site (opens in a new tab)
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Voting info and more

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Questions about this race

Who is running for Indiana Senate District 25 in 2026?

2 candidates are tracked for Indiana Senate District 25 on the November 3, 2026 ballot: Tamie Dixon-Tatum and Mike Gaskill. Candidate information follows official Hamilton County election filings; verify with the official election office linked below.

When is the Indiana Senate District 25 election in Indiana?

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

How do I see my exact Hamilton 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 Hamilton County and state election office filings, last verified September 27, 2026. Bios and priorities carry their attribution inline.

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

The rest of your Hamilton County ballot

26 tracked races in Hamilton County, Indiana. Landed here from another county's search? Look up your own ballot below.

Also on your ballot
Indiana Senate District 31Indiana House District 24Indiana House District 29See all 26 Hamilton County races
Candidate profiles
Tamie Dixon-Tatum, full profileMike Gaskill, full profileOfficial Indiana election office