County record · fips 08117 · Colorado
SummitCO
Democratic ×9 since 1992reported 1880–2024 · 37 elections
The Long Record
37 elections against the Colorado and national vote
2024 result
D+38.3
won by Democrats
Record since first cycle
21–16
Dem–Rep two-party wins
Voted with the winner
23/37
62% of its elections
Closest election
1904
D+0.3
this countyColoradonational (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 |
|---|---|---|
| 1896 | +195.3 pts | Democrats |
| 1892 | -88.6 pts | Republicans |
| 1900 | -53.4 pts | Republicans |
| 1920 | -47.5 pts | Republicans |
| 1968 | -44.9 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
31,017
College (BA+)
55%
Median income
$109,773
2024 dollars
Non-white
26%
Rural
16%
Age 65+
16%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Clear Creek, CO · Eagle, CO · Grand, CO · Lake, CO · Park, CO