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Mia Costello

RepublicanIncumbent

Instructor

Mia Costello is a Republican candidate for Alaska House of Representatives District 15 in the 2026 election. They are the incumbent.

From the candidate’s public filings

Background

Costello earned her degree in government from Harvard University and earned her teaching certificate and M.A. in teaching from the University of Alaska Southeast. Costello's professional experience includes working as owner of a public relations consulting business, deputy director of communications for then-Gov. Frank Murkowski, public information officer for the Media Support Center of the Office of then-Gov. Walter Hickel, teacher at Service High School and Juneau-Douglas High School, account executive for Bradley/Reid Communications, aide to then-state Rep. Norm Rokeberg, and instructor for Nine Star Education and Employment Services.

Graduate:
University of Alaska Southeast, 1997
Bachelor's:
Harvard University, 1990

Campaign themes

Mia Costello has not yet completed [the profile publisher]'s 2026 Candidate Connection survey.

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Who fills out the candidate survey?

Any candidate running for elected office, at any level, can complete [the profile publisher]'s Candidate Survey. Completing the survey will update the candidate's [the profile publisher] profile, letting voters know who they are and what they stand for.  More than 32,000 candidates have taken [the profile publisher]'s candidate survey since we launched it in 2015. Learn more about the survey here.

You can ask Mia Costello to fill out this survey by using the button below or emailing mia@votemia.com.

Mia Costello did not complete [the profile publisher]'s 2024 Candidate Connection survey.

Mia Costello did not complete [the profile publisher]'s 2022 Candidate Connection survey.

Costello's campaign website listed the following issues:[11]

A strong, diverse Alaska economy that is open for business.

Excerpt: "Mia has worked hard to promote tourism and support industries and to encourage the development of our natural resources such as oil & gas, mining, timber and fishing."

A long-term energy plan.

Excerpt: "We should encourage exploration at a time when our oil revenues are declining so that our North Slope oil keeps working for Alaska. Mia has worked to bring our natural gas to markets and encourage viable clean energy projects."

Government accountability.

Excerpt: "Mia will work on a long-term fiscal plan and she will keep government small. She believes in saving for a rainy day."

Education for all students.

Excerpt: "Mia is an award-winning high school government teacher and has worked with disadvantaged youths who are behind in reading and writing. Mia will base education policy on “best practices” – what has been shown to garner results in our classrooms."

Supporting our Military.

Excerpt: "Mia’s father served in World War II and she believes in supporting military members and their families."

On the 2026 ballot

Links

Compiled from the candidate’s published profile as of September 30, 2026.

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