Idaho Legislative District 12 · Republican primary

District 12

1 contested race · Election: Tuesday, May 19, 2026

State Senator

Incumbent listed first; challengers follow in the order they filed with the Idaho Secretary of State. Races without an incumbent are listed alphabetically. This site does not endorse any candidate.

Benjamin Adams

Incumbent · Republican

✉ Contact Form www.benadamsforidaho.com/contact

⌘ Website www.benadamsforidaho.com/

⊞ Mail 1921 Hoover St., Nampa, ID 83686

Shaun Simmons

Challenger · Republican

⌘ Website sites.google.com/view/simmons4nampa/home

⊞ Mail 11173 West Glendive Avenue, Nampa, ID 83651-5066

Committee activity in District 12

Several political committees may have filed reports of contributions or independent expenditures connected to candidates in this district. This site does not display dollar amounts or summarize activity — the Idaho Secretary of State's Sunshine portal is the primary source and is updated on the state's reporting cadence.

View Benjamin Adams's campaign filings on Sunshine ↗
View Shaun Simmons's campaign filings on Sunshine ↗

Voting on May 19

Election day

Tuesday, May 19

Polls open

8 a.m. – 8 p.m.

Bring

Photo ID

Polling place

idahovotes.gov