County record · fips 06073 · California
San DiegoCA
Democratic ×5 since 2008all 40 elections, 1868–2024
The Long Record
40 elections against the California and national vote
2024 result
D+17.3
won by Democrats
Record since first cycle
12–28
Dem–Rep two-party wins
Voted with the winner
29/40
73% of its elections
Closest election
1916
R+0.5
this countyCalifornianational (official)dot colour = two-party winner · hollow = tie or unknown total · click a dot to open that election
The Biggest Swings
Cycle-over-cycle change in the two-party margin, in points
| Election | Swing | Toward |
|---|---|---|
| 1912 | +137.4 pts | Democrats |
| 1872 | -121.6 pts | Republicans |
| 1916 | -99.3 pts | Republicans |
| 1876 | +83.9 pts | Democrats |
| 1932 | +47.7 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
3,288,774
College (BA+)
43%
Median income
$106,268
2024 dollars
Non-white
58%
Rural
4%
Age 65+
15%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.