San Joaquin, California — Presidential Election Results

San Joaquin, California has voted Democratic in 4 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Republican in 2024. In 2024, it was 21.7 pts more Rep. than California 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. California
2000 George W. Bush Republican 81,773 48.9% 1.2 pts (1,997 votes) 167,239 — 13.6 pts more Rep.
2004 George W. Bush Republican 100,978 53.3% 7.4 pts (13,966 votes) 189,505 -6.2 pts 17.5 pts more Rep.
2008 Barack Obama Democratic 113,974 54.4% 10.7 pts (22,367 votes) 209,349 +18.3 pts 13.7 pts more Rep.
2012 Barack Obama Democratic 114,121 55.8% 13.7 pts (28,050 votes) 204,697 +3.1 pts 9.7 pts more Rep.
2016 Hillary Clinton Democratic 121,124 54.0% 14.4 pts (32,188 votes) 224,166 +1.3 pts 16.9 pts more Rep.
2020 Joseph R Biden Jr Democratic 161,137 55.9% 13.9 pts (40,039 votes) 288,492 -1.1 pts 15.6 pts more Rep.
2024 Donald J Trump Republican 128,996 48.9% 0.9 pts (2,349 votes) 263,671 -15.1 pts 21.7 pts more Rep.

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 567,885 29.4% of population
2004 642,898 29.5% of population
2008 671,692 31.2% of population
2012 699,593 29.3% of population
2016 732,809 30.6% of population
2020 780,676 37.0% of population
2024 816,108 32.3% of population

Trend

Between 2000 and 2024, the two-party presidential margin in San Joaquin shifted 0.3 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.

2000: R+1.2 pts 2004: R+7.4 pts 2008: D+10.9 pts 2012: D+14.0 pts 2016: D+15.3 pts 2020: D+14.2 pts 2024: R+0.9 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

San Joaquin has matched the national popular winner in 6 of the last 7 presidential elections (86%), and California's own statewide winner in 4 of 7 (57%). Compare every county on the bellwether counties page.

Related Pages

Other California Counties

Frequently Asked Questions

How has San Joaquin voted in presidential elections since 2000?

Since 2000, San Joaquin has voted Democratic in 4 of 7 recorded presidential elections and Republican in 3 of 7, based on county-level returns through 2024.

What was the closest presidential election in San Joaquin?

San Joaquin's closest recorded margin was in 2024, when Donald J Trump (Republican) won by 0.9 points (2,349 votes) out of 263,671 total votes cast.

Has San Joaquin ever flipped between parties?

Yes. San Joaquin changed which party won the county in: 2008, 2024, based on the 2000-2024 record on this page.

What is the largest presidential election margin recorded in San Joaquin?

The widest margin on record for San Joaquin was in 2016, when Hillary Clinton (Democratic) won by 15.3 points.

How many votes were cast in San Joaquin relative to its population?

In 2024, 263,671 votes were recorded in San Joaquin against a total population of 816,108 (32.3% 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 San Joaquin a presidential bellwether county?

San Joaquin has matched the national popular winner in 6 of the last 7 presidential elections (86%), and California's own statewide winner in 4 of 7 (57%).