County record · fips 46109 · South Dakota
RobertsSD
Republican ×3 since 2016reported 1892–2024 · 34 elections
The Long Record
34 elections against the South Dakota and national vote
2024 result
R+23.4
won by Republicans
Record since first cycle
18–16
Dem–Rep two-party wins
Voted with the winner
26/34
77% of its elections
Closest election
2004
D+2.7
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 | +133.6 pts | Democrats |
| 1916 | -102.8 pts | Republicans |
| 1928 | +71.8 pts | Democrats |
| 1920 | -64.8 pts | Republicans |
| 1896 | +60.8 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
10,221
College (BA+)
19%
Median income
$65,130
2024 dollars
Non-white
44%
Rural
100%
Age 65+
21%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Big Stone, MN · Traverse, MN · Richland, ND · Day, SD · Grant, SD · Marshall, SD