Melissa Wintrow
Idaho State Senator, District 19 since 2020. Ran in 8 elections between 2014 and 2024, winning 8. Re-elected in 2026. Next on the ballot in 2028.
- In office
- 6 yrs
- Since 2020
- Bills became law
- 0
- 2 sponsored, 2025–2026 session
- Votes missed
- 1.4%
- Chamber median 1.7%
- With party
- 98%
- On votes splitting the parties
- Last margin
- +41.2
- Won 2026
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET
Committees
As of 2026-10.
- Legislative Oversight · co-chair
- Child Protection Legislative Oversight
- Finance
- Finance-Appropriations
- Health and Welfare
- Indian Affairs Council
- Judiciary and Rules
- Medicaid Review Panel
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
No bills in this list for the 2025–2026 session.
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Wintrow sits in the Idaho State Senate
Wintrow is closer to the center than 0% of the chamber's Democrats.
Closest: Ron Taylor, Ali Rabe, Carrie Semmelroth
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:49 PM ET
With Wintrow’s party
- Votes with the chamber's Democrats98%
Black tick: the average of Democrats in the Idaho State Senate.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Wintrow’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Wintrow | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| Apr 2, 2026 | H 975: APPROPRIATIONS – Relates to the appropriation and transfer of moneys in the state treasury… | No | No | Yes | Passed 19–13 |
| Apr 1, 2026 | S 1356: SINGLE COUNTYWIDE HIGHWAY DISTRICTS – Amends existing law to revise provisions regarding… | No | No | Yes | Passed 19–16 |
| Apr 1, 2026 | H 930: CAMPAIGN FINANCE – Amends existing law to revise provisions regarding the duties of… | Yes | Yes | No | Passed 19–14 |
| Apr 1, 2026 | H 516: EDUCATION – Amends and adds to existing law to establish provisions regarding the… | No | No | Yes | Passed 20–14 |
| Apr 1, 2026 | H 706: IDAHO BUILDING CODES – Adds to existing law to establish provisions regarding single… | Yes | Yes | Yes | Passed 18–17 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Wintrow was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.
| Year | Race | Result | Margin | Seat | +/− |
|---|---|---|---|---|---|
| 2026 | Idaho State Senate, District 19 | Won | D+41.2 | D+33.4 | +7.8 |
| 2024 | Idaho State Senate, District 19 | Won | — | D+33.4 | — |
| 2022 | Idaho State Senate, District 19 | Won | D+36.3 | D+38.8 | −2.5 |
| 2020 | Idaho State Senate, District 19 | Won | D+37.2 | — | — |
| 2018 | Idaho House of Representatives, District 19 | Won | D+3.3 | — | — |
| 2016 | Idaho House of Representatives, District 19 | Won | R+0.7 | — | — |
| 2016 | Idaho House of Representatives, District 19 (primary) | Won | −0.5 | — | — |
| 2014 | Idaho House of Representatives, District 19 | Won | D+5.0 | — | — |
| 2014 | Idaho House of Representatives, District 19 (primary) | Won | −19.6 | — | — |
Source: 99chambers results archive; 2026: Idaho Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $96.1K
- Spent
- $84.6K
- Cash
- $53.9K
Source: Idaho Secretary of State filings through Oct 24, 2026Updated Nov 1, 2026, 12:43 AM ET
Campaign committees
Open committees can still raise and spend money.
| Wintrow for Idaho Senate State | Active |
Source: Idaho Secretary of State filings through Oct 24, 2026Updated Nov 1, 2026, 12:43 AM ET
Seats Wintrow has held
- Idaho State Senate, District 19 · since 2020
- Idaho House of Representatives, District 19 · 2014–2020
Source: 99chambers results archive
Who Wintrow has run against
- Melissa J. Christian (R) · 2026 election, won
- Blair Moss (R) · 2022 election, won
- Aaron J. Tribble (R) · 2020 election, won
- Mathew Erpelding (D) · 2018 election, won
Source: 99chambers results archive; 2026: Idaho Secretary of State (unofficial)
How we know Wintrow
One person, matched across every source we use.
- Open States ocd-person/c6b06b7d-05f8-45a3-8415-4cd1e76c5642
- Wikidata Q22097265
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET