County record · fips 08001 · Colorado
AdamsCO
Democratic ×10 since 1988reported 1904–2024 · 31 elections
The Long Record
31 elections against the Colorado and national vote
2024 result
D+9.3
won by Democrats
Record since first cycle
19–12
Dem–Rep two-party wins
Voted with the winner
23/31
74% of its elections
Closest election
1940
R+0.9
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 |
|---|---|---|
| 1912 | +55.9 pts | Democrats |
| 1932 | +52.0 pts | Democrats |
| 1920 | -50.8 pts | Republicans |
| 1968 | -37.2 pts | Republicans |
| 1964 | +31.9 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
530,225
College (BA+)
29%
Median income
$94,571
2024 dollars
Non-white
55%
Rural
4%
Age 65+
11%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Arapahoe, CO · Broomfield, CO · Denver, CO · Jefferson, CO · Morgan, CO · Washington, CO · Weld, CO