Arizona — 2024 Democratic presidential primary
2024 · Democratic presidential primaryArizona · Democratic primaryBiden+81.3
Who led each county
Arizona's 2024 Democratic primary — 15 counties reporting. Each county links to its place page.
2024Democratic primary leaderBidencolor = leader · depth = size of the lead
Counties with reported returns are filled by the candidate who led them; the surrounding faint geography is context, not coverage. This is the nominating contest — the November result is on the general-election page.
Statewide result
Arizona 2024 Democratic presidential primary — 420,174 votes, county returns aggregated statewide.
- Biden✓375,11089.3%
- All others33,4538.0%
- Phillips11,6112.8%
County-by-county leaders — 15 counties
| County | Led by | Margin | Votes |
|---|---|---|---|
| Maricopa County | Biden | +82.1 | 238,342 |
| Pima County | Biden | +82.7 | 93,379 |
| Pinal County | Biden | +83.3 | 20,783 |
| Yavapai County | Biden | +84.9 | 16,765 |
| Coconino County | Biden | +75.4 | 11,333 |
| Cochise County | Biden | +77.9 | 7,256 |
| Mohave County | Biden | +84.4 | 7,158 |
| Yuma County | Biden | +68.5 | 6,102 |
| Navajo County | Biden | +64.6 | 5,783 |
| Apache County | Biden | +62.0 | 4,997 |
| Santa Cruz County | Biden | +70.4 | 3,209 |
| Gila County | Biden | +77.6 | 3,066 |
| Graham County | Biden | +68.1 | 1,082 |
| La Paz County | Biden | +75.9 | 526 |
| Greenlee County | Biden | +62.1 | 393 |
Source. Official statewide canvasses — 2024 Democratic presidential primary returns · county returns aggregated statewide. Coverage is the nominating contest as reported by the state; margins are the leader’s edge over the runner-up. Real returns — nothing estimated.