Voting & Elections in San Leandro, CA
Presidential election results and party lean trends
County-level data: Election results are reported at the county level. San Leandro is located in Alameda County, CA. Results reflect all voters in the county, not just those in San Leandro.
Election Overview
Source: Alameda County (2024)2024 Winner
Democrat
Dem Votes
499,551
74.6%
GOP Votes
140,789
21.0%
Total Votes
669,800
Margin
D+53.6%
Shift from 2020
R+9.0pp
vs prior election
📊Election Results by Year
2016–2024📈Partisan Lean Trend
D+53.6%Election History
Source: County-Level Election Results| Year | Dem Votes | GOP Votes | Total | Dem % | GOP % | Margin |
|---|---|---|---|---|---|---|
| 2024 | 499,551 | 140,789 | 669,800 | 74.6% | 21.0% | D+53.6 |
| 2020 | 617,659 | 136,309 | 769,864 | 80.2% | 17.7% | D+62.5 |
| 2016 | 486,351 | 91,189 | 613,195 | 79.3% | 14.9% | D+64.4 |
In the 2024 presidential election, Alameda County recorded 669,800 total votes. Democrats won the county with 74.6% of the vote compared to 21.0% for Republicans, a margin of D+53.6%. Compared to 2020, the margin shifted R+9.0pp from the previous election. Since 2016, Alameda County has shifted 10.9 percentage points toward Republicans.