Joan E. Diem is the Township Supervisor, North Mahoning Township, in Indiana County, Pennsylvania. Elected as a Republican.

What party is Joan E. Diem?

Joan E. Diem was elected as a Republican; the office is elected on a partisan ballot.

Where does Joan E. Diem stand politically?

There's no published left–right score for Joan E. Diem. Most local officials have none: academic scores come from votes in Congress or a state legislature, or from campaign donors, and we don't guess.

Who is Joan E. Diem? Township Supervisor, North Mahoning Township, PA

Joan E. Diem is the Township Supervisor, North Mahoning Township, elected as a Republican.

In office

Office	Who holds it now
Township Supervisor · North Mahoning Township Board of Supervisors	Joan E. Diem Republican source

North Mahoning Township Board of Supervisors (contact the office there) · everyone on it

Where Joan E. Diem stands

No published left–right score. Most local officials don't have one: the academic scores come from votes in Congress or a state legislature, or from who donates to a campaign, and we don't guess. They were elected on a partisan ballot as a Republican.

Quick answers

Who is Joan E. Diem?: Joan E. Diem is the Township Supervisor, North Mahoning Township, in Indiana County, Pennsylvania. Elected as a Republican.
What party is Joan E. Diem?: Joan E. Diem was elected as a Republican; the office is elected on a partisan ballot.
Where does Joan E. Diem stand politically?: There's no published left–right score for Joan E. Diem. Most local officials have none: academic scores come from votes in Congress or a state legislature, or from campaign donors, and we don't guess.

Are you Joan E. Diem?

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Officeholders as of November 6, 2026, from the Pennsylvania Department of Community and Economic Development's Municipal Statistics officials list (self-reported by each county and municipality); each name links to its source. Officials change between elections (appointments, resignations), and the body's own website is the authority. Party is shown only for offices elected on a partisan ballot.

Indiana County's elected officials · North Mahoning Township's officials

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