Mia Costello headshot

HOUSE DISTRICT 15 Candidate Profile

Mia Costello

RepublicanCandidateAlaska15

Sourced summary

Alaska Division of Elections — Candidate List lists Mia Costello as a Republican candidate for HOUSE DISTRICT 15 15 in the 2024 cycle (HOUSE DISTRICT 15 15). elections.alaska.gov

Alaska Division of Elections — Candidate List lists Mia Costello as a Republican candidate for HOUSE DISTRICT 15 15 in the 2024 cycle (HOUSE DISTRICT 15 15). elections.alaska.gov

Claim timeline

Alaska Division of Elections — Candidate List lists Mia Costello as a Republican candidate for HOUSE DISTRICT 15 15 in the 2024 cycle (HOUSE DISTRICT 15 15). elections.alaska.gov Retrieved 2026-05-08.

Alaska Division of Elections — Candidate List lists Mia Costello as a Republican candidate for HOUSE DISTRICT 15 15 in the 2024 cycle (HOUSE DISTRICT 15 15). elections.alaska.gov Retrieved 2026-07-16.

Race and district

Other indexed profiles in this race.

Candidate Statement (Other), Denny Wells (Other), Dustin T. Darden (Democratic), Thomas “Tom” Mckay (Republican).

Full Research & Receipts

Claim-level receipts, campaign-finance detail, donor-network analysis, and the full research book for this profile are reserved for signed-in, entitled OppIntell customers.

Unlock full profile

Race context

Alaska, HOUSE DISTRICT 15.

Cycle year on file: 2024.

Race name on file: 2024 HOUSE DISTRICT 15 - Alaska 15.

Race status on file: discovered.

The profile was first indexed on 2026-05-08 and last indexed on 2026-07-16.

Source posture

Latest attached source timestamp on file: 2026-07-16.

Profile questions

What office is Mia Costello indexed for?

Mia Costello is indexed for Alaska, HOUSE DISTRICT 15. The race name on file is 2024 HOUSE DISTRICT 15 - Alaska 15. The cycle year on file is 2024.

What party is on file for Mia Costello?

The party label on file for Mia Costello is Republican.

What is Mia Costello's candidate status?

Mia Costello is marked Active candidate on this profile. Race status on file: discovered.

How many public claims are attached to Mia Costello?

The route record reports 2 public claims, 2 valid citations, and 2 primary-source references. Claim text and source receipts are available in the full research book.

Research guides for this file

How this profile is researched

A profile section follows the public method for that record.

Related Research

root hub

OppIntell opposition research software

Opposition research software for campaigns, committees, and consultants. Votes, quotes, filings, and contradiction flags, each linked to the public record it came from.

same race hub

Alaska State Legislature candidates

Compare state legislature candidate profiles and party breakdowns.

strategic target

Opposition research

What opposition research is, how campaigns use it, which public records it draws on, and the sourcing standards that keep each claim defensible in a race.

strategic target

Public-record intelligence database

Source-cited candidate profiles for due diligence, litigation support, watchdog research, and journalists.

same state hub

Alaska candidate research

Browse all-party candidate intelligence for Alaska.

strategic target

Race candidate research

Explore candidate intelligence by race category, party, and state.