County record · fips 06105 · California
TrinityCA
Republican ×4 since 2012all 40 elections, 1868–2024
The Long Record
40 elections against the California and national vote
2024 result
R+9.8
won by Republicans
Record since first cycle
17–23
Dem–Rep two-party wins
Voted with the winner
30/40
75% of its elections
Closest election
1888
D+0.1
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 | +108.1 pts | Democrats |
| 1916 | -77.9 pts | Republicans |
| 1920 | -58.9 pts | Republicans |
| 1932 | +54.8 pts | Democrats |
| 1872 | +48.7 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
15,860
College (BA+)
22%
Median income
$53,002
2024 dollars
Non-white
23%
Rural
100%
Age 65+
30%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Humboldt, CA · Mendocino, CA · Shasta, CA · Siskiyou, CA · Tehama, CA