David Cook Sr.
Last held office: Arizona House of Representatives, District 7 (2022–2024). Won the 2026 race for Arizona Legislative District 7.
- Last margin
- −1.5
- Won 2026
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET
Career
Offices held, and every time Cook 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)
Every race Cook has run
Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Cook 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 | Arizona Legislative District 7 | General | Won | Walter Blackman (R), Samuel Martin (D) | 33.4% | D+1.5 | $41.2K | R+30.2 | |
| 2022 | Arizona House of Representatives, District 7 | General | Won | David Marshall Sr. (R) | 51.6% | R+6.1 | — | — | |
| 2020 | Arizona House of Representatives, District 8 | General | Won | Frank Pratt (R), Sharon Girard (D) | 35.7% | R+1.0 | — | — | |
| 2018 | Arizona House of Representatives, District 8 | General | Won | T.J. Shope (R), Carmen Casillas (D), Linda C. Gross (D) | 29.2% | R+0.3 | — | — | |
| 2016 | Arizona House of Representatives, District 8 | General | Won | T.J. Shope (R), Carmen Casillas (D) | 35.7% | R+1.3 | — | — |
Source: 99chambers results archive; 2026: Arizona Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $41.2K
- Spent
- $59.8K
- Cash
- $7.9K
Source: Arizona Secretary of State filings through Sep 23, 2026Updated Nov 7, 2026, 1:20 PM ET
Campaign committees
Open committees can still raise and spend money.
| Conservatives for Cook State | Active |
Source: Arizona Secretary of State filings through Sep 23, 2026Updated Nov 7, 2026, 1:20 PM ET
Seats Cook has held
- Arizona House of Representatives, District 7 · 2022–2024
- Arizona House of Representatives, District 8 · 2016–2022
Source: 99chambers results archive
Who Cook has run against
- Walter Blackman (R) · 2026 general, won
- David Marshall Sr. (R) · 2022 election, won
- Frank Pratt (R) · 2020 election, won
- T.J. Shope (R) · 2018 election, won
Source: 99chambers results archive; 2026: Arizona Secretary of State (unofficial)
How we know Cook
One person, matched across every source we use.
- Wikidata Q28421779
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET