Mary Shea
Won the 2026 race for Idaho Legislative District 29.
- Last margin
- +0.3
- Won 2026
Source: Wikidata, congress-legislators and Open States; 99chambers legislative records
Every race Shea has run
Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Shea won voters the party’s presidential nominee did not; primaries have no baseline.
| Year | Office | Stage | Result | Opponents | Share | Margin | Raised | Baseline | Against baseline |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | Idaho Legislative District 29 | General | Won | Nate Roberts (D), Jennifer Miles (R) | 28.2% | D+0.3 | $47.3K | R+13.0 | |
| 2024 | Idaho House of Representatives, District 29 | General | Lost | Dustin Manwaring (R), Tanya Burgoyne (R), Nate Roberts (D) | 22.5% | R+5.2 | — | — | |
| 2022 | Idaho House of Representatives, District 29 | General | Lost | Dustin Manwaring (R), Nate Roberts (D), Jake Stevens (R) | 23.9% | R+2.2 | — | — |
Source: 99chambers results archive; 2026: Idaho Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Money
Shea’s campaign fundraising.
- Raised, 2025–26
- $47.3K
Source: Idaho Secretary of State filings through Oct 29, 2026Updated Nov 1, 2026, 12:43 AM ET
What’s next
From campaign filings, not from public statements.
| Mary For Idaho State | Active |
Source: Idaho Secretary of State filings through Oct 29, 2026Updated Nov 1, 2026, 12:43 AM ET
Who Shea has run against
- Nate Roberts (D) · 2026 general, won
- Dustin Manwaring (R) · 2024 election, lost
Source: 99chambers results archive; 2026: Idaho Secretary of State (unofficial)
The seat
- Idaho Legislative District 29 · lean R+11.8 · 7th most Democratic of 35
Source: 99chambers: presidential results on current lines (MEDSL precinct returns)