San Luis Obispo County, CA — Elections & Voting
Presidential election results and party lean trends
Election Overview
Source: San Luis Obispo County (2024)2024 Winner
Democrat
Dem Votes
81,314
53.9%
GOP Votes
64,932
43.1%
Total Votes
150,766
Margin
D+10.9%
Shift from 2020
R+2.2pp
vs prior election
📊Election Results by Year
2016–2024📈Partisan Lean Trend
D+10.9%Election History
Source: County-Level Election Results| Year | Dem Votes | GOP Votes | Total | Dem % | GOP % | Margin |
|---|---|---|---|---|---|---|
| 2024 | 81,314 | 64,932 | 150,766 | 53.9% | 43.1% | D+10.9 |
| 2020 | 88,310 | 67,436 | 159,681 | 55.3% | 42.2% | D+13.1 |
| 2016 | 63,001 | 52,672 | 124,575 | 50.6% | 42.3% | D+8.3 |
In the 2024 presidential election, San Luis Obispo County recorded 150,766 total votes. Democrats won the county with 53.9% of the vote compared to 43.1% for Republicans, a margin of D+10.9%. Compared to 2020, the margin shifted R+2.2pp from the previous election. Since 2016, San Luis Obispo County has shifted 2.6 percentage points toward Democrats.