County record · fips 41031 · Oregon
JeffersonOR
Republican ×8 since 1996reported 1916–2024 · 28 elections
The Long Record
28 elections against the Oregon and national vote
2024 result
R+30.8
won by Republicans
Record since first cycle
6–22
Dem–Rep two-party wins
Voted with the winner
20/28
71% of its elections
Closest election
1976
R+1.1
this countyOregonnational (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 |
|---|---|---|
| 1920 | -56.8 pts | Republicans |
| 1932 | +52.6 pts | Democrats |
| 1968 | -36.5 pts | Republicans |
| 1952 | -29.3 pts | Republicans |
| 1940 | -29.1 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
25,203
College (BA+)
21%
Median income
$76,260
2024 dollars
Non-white
43%
Rural
67%
Age 65+
20%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Crook, OR · Deschutes, OR · Linn, OR · Marion, OR · Wasco, OR · Wheeler, OR