County record · fips 46087 · South Dakota
McCookSD
Republican ×12 since 1980reported 1892–2024 · 34 elections
The Long Record
34 elections against the South Dakota and national vote
2024 result
R+50.5
won by Republicans
Record since first cycle
8–26
Dem–Rep two-party wins
Voted with the winner
20/34
59% of its elections
Closest election
1988
R+0.3
this countySouth Dakotanational (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 | +118.8 pts | Democrats |
| 1916 | -107.8 pts | Republicans |
| 1896 | +59.9 pts | Democrats |
| 1920 | -45.6 pts | Republicans |
| 1932 | +45.4 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
5,751
College (BA+)
30%
Median income
$83,852
2024 dollars
Non-white
7%
Rural
100%
Age 65+
19%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Hanson, SD · Hutchinson, SD · Lake, SD · Miner, SD · Minnehaha, SD · Turner, SD