Pima, Arizona — Presidential Election Results
Pima, Arizona has voted Democratic in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 20.9 pts more Dem. than Arizona overall.
Jump to year: 2000 · 2004 · 2008 · 2012 · 2016 · 2020 · 2024
Full Election History, 2000–2024
| Year | Winner | Party | Votes | Vote Share | Margin | Total Votes Cast | Swing | Vs. Arizona |
|---|---|---|---|---|---|---|---|---|
| 2000 | Al Gore | Democratic | 147,688 | 51.3% | 8.0 pts (23,109 votes) | 287,640 | — | 15.1 pts more Dem. |
| 2004 | John Kerry | Democratic | 193,128 | 52.6% | 6.0 pts (22,019 votes) | 366,907 | -2.4 pts | 16.6 pts more Dem. |
| 2008 | Barack Obama | Democratic | 206,254 | 52.4% | 6.1 pts (23,848 votes) | 393,428 | +0.1 pts | 14.8 pts more Dem. |
| 2012 | Barack Obama | Democratic | 201,251 | 52.6% | 6.9 pts (26,472 votes) | 382,250 | +0.9 pts | 16.3 pts more Dem. |
| 2016 | Hillary Clinton | Democratic | 224,661 | 53.3% | 13.6 pts (57,233 votes) | 421,640 | +7.6 pts | 18.4 pts more Dem. |
| 2020 | Joseph R Biden Jr | Democratic | 304,981 | 58.6% | 18.7 pts (97,223 votes) | 520,397 | +4.4 pts | 18.6 pts more Dem. |
| 2024 | Kamala D Harris | Democratic | 292,450 | 56.8% | 15.1 pts (77,781 votes) | 515,287 | -3.6 pts | 20.9 pts more Dem. |
Population Context
Total Census Bureau population estimate for the county that year, and recorded votes as a share of that total population. This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
| Year | County Population | Votes Cast (% of Population) |
|---|---|---|
| 2000 | 848,019 | 33.9% of population |
| 2004 | 901,342 | 40.7% of population |
| 2008 | 967,778 | 40.7% of population |
| 2012 | 993,052 | 38.5% of population |
| 2016 | 1,016,707 | 41.5% of population |
| 2020 | 1,045,227 | 49.8% of population |
| 2024 | 1,080,149 | 47.7% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Pima shifted 6.9 points toward the Democratic candidate, based on recorded county returns. This reflects the vote totals in this dataset only; no claim is made here about the causes of that shift.
Margin Over Time
Democratic candidate's margin (percentage points, two-party vote share). Positive values favor the Democratic candidate; negative values favor the Republican candidate.
Bellwether Status
Pima has matched the national popular winner in 3 of the last 7 presidential elections (43%), and Arizona's own statewide winner in 1 of 7 (14%). Compare every county on the bellwether counties page.
Related Pages
Other Arizona Counties
Frequently Asked Questions
How has Pima voted in presidential elections since 2000?
Since 2000, Pima has voted Democratic in 7 of 7 recorded presidential elections and Republican in 0 of 7, based on county-level returns through 2024.
What was the closest presidential election in Pima?
Pima's closest recorded margin was in 2004, when John Kerry (Democratic) won by 6.0 points (22,019 votes) out of 366,907 total votes cast.
Has Pima ever flipped between parties?
Not in the 2000-2024 record on this page -- Pima has voted for the same party in every recorded presidential election in that span.
What is the largest presidential election margin recorded in Pima?
The widest margin on record for Pima was in 2020, when Joseph R Biden Jr (Democratic) won by 19.0 points.
How many votes were cast in Pima relative to its population?
In 2024, 515,287 votes were recorded in Pima against a total population of 1,080,149 (47.7% of the total population). This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
Is Pima a presidential bellwether county?
Pima has matched the national popular winner in 3 of the last 7 presidential elections (43%), and Arizona's own statewide winner in 1 of 7 (14%).