County record · fips 46027 · South Dakota
ClaySD
Democratic ×10 since 1988reported 1892–2024 · 34 elections
The Long Record
34 elections against the South Dakota and national vote
2024 result
D+6.7
won by Democrats
Record since first cycle
16–18
Dem–Rep two-party wins
Voted with the winner
22/34
65% of its elections
Closest election
1976
R+1.0
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 | +123.3 pts | Democrats |
| 1916 | -90.6 pts | Republicans |
| 1896 | +61.5 pts | Democrats |
| 1932 | +60.7 pts | Democrats |
| 1904 | -50.9 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
15,219
College (BA+)
45%
Median income
$56,850
2024 dollars
Non-white
16%
Rural
22%
Age 65+
12%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Cedar, NE · Dixon, NE · Lincoln, SD · Turner, SD · Union, SD · Yankton, SD