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The American Political Almanac
RECONSTRUCTION & THE GILDED AGETHE SYSTEM OF 1896THE NEW DEAL ORDERTHE LONG REALIGNMENTPOLARIZED ERA1868RRRRD1888RDRRR1908RDDRR1928RDDDD1948DRRDD1968RRDRR1988RDDRR2008DDRD2024R

County record · fips 46103 · South Dakota

PenningtonSD

Republican ×15 since 1968reported 1892–2024 · 34 elections

The Long Record

34 elections against the South Dakota and national vote
2024 result
R+27.2
won by Republicans
Record since first cycle
6–28
Dem–Rep two-party wins
Voted with the winner
22/34
65% of its elections
Closest election
1964
D+5.1
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
ElectionSwingToward
1912+118.9 ptsDemocrats
1896+92.5 ptsDemocrats
1916-90.6 ptsRepublicans
1932+51.9 ptsDemocrats
1920-45.1 ptsRepublicans

Who Lives Here

Census & ACS county profile, 2024
Population
113,512
College (BA+)
35%
Median income
$74,517
2024 dollars
Non-white
22%
Rural
18%
Age 65+
20%

Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.

Neighbouring counties

Custer, SD · Haakon, SD · Jackson, SD · Lawrence, SD · Meade, SD · Oglala Lakota, SD · Weston, WY