Pennington, South Dakota — Presidential Election Results

Pennington, South Dakota has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 2.7 pts more Dem. than South Dakota overall.

Jump to year: 2000 · 2004 · 2008 · 2012 · 2016 · 2020 · 2024

Full Election History, 2000–2024

Year Winner Party Votes Vote Share Margin Total Votes Cast Swing Vs. South Dakota
2000 George W. Bush Republican 24,696 67.6% 37.1 pts (13,573 votes) 36,557 — 14.7 pts more Rep.
2004 George W. Bush Republican 29,976 66.7% 35.1 pts (15,763 votes) 44,968 +2.2 pts 13.8 pts more Rep.
2008 John McCain Republican 27,603 60.3% 21.4 pts (9,801 votes) 45,787 +14.1 pts 13.0 pts more Rep.
2012 Mitt Romney Republican 28,232 63.5% 29.5 pts (13,107 votes) 44,464 -8.6 pts 11.8 pts more Rep.
2016 Donald Trump Republican 29,804 62.4% 32.9 pts (15,730 votes) 47,743 -5.6 pts 3.9 pts more Rep.
2020 Donald J Trump Republican 35,063 61.0% 25.1 pts (14,457 votes) 57,518 +9.9 pts 0.9 pts more Dem.
2024 Donald J Trump Republican 35,009 61.9% 26.4 pts (14,958 votes) 56,580 -1.2 pts 2.7 pts more Dem.

Population Context

Total Census Bureau population estimate for the county that year, and recorded votes as a share of that total population. This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.

Year County Population Votes Cast (% of Population)
2000 88,872 41.1% of population
2004 92,560 48.6% of population
2008 98,128 46.7% of population
2012 104,232 42.7% of population
2016 109,111 43.8% of population
2020 109,573 52.5% of population
2024 115,979 48.8% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Pennington shifted 10.7 points toward the Democratic candidate, based on recorded county returns. This reflects the vote totals in this dataset only; no claim is made here about the causes of that shift.

Margin Over Time

Democratic candidate's margin (percentage points, two-party vote share). Positive values favor the Democratic candidate; negative values favor the Republican candidate.

2000: R+37.9 pts 2004: R+35.7 pts 2008: R+21.6 pts 2012: R+30.2 pts 2016: R+35.8 pts 2020: R+26.0 pts 2024: R+27.2 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Pennington has matched the national popular winner in 4 of the last 7 presidential elections (57%), and South Dakota's own statewide winner in 7 of 7 (100%). Compare every county on the bellwether counties page.

Related Pages

Other South Dakota Counties

Frequently Asked Questions

How has Pennington voted in presidential elections since 2000?

Since 2000, Pennington has voted Democratic in 0 of 7 recorded presidential elections and Republican in 7 of 7, based on county-level returns through 2024.

What was the closest presidential election in Pennington?

Pennington's closest recorded margin was in 2008, when John McCain (Republican) won by 21.6 points (9,801 votes) out of 45,787 total votes cast.

Has Pennington ever flipped between parties?

Not in the 2000-2024 record on this page -- Pennington has voted for the same party in every recorded presidential election in that span.

What is the largest presidential election margin recorded in Pennington?

The widest margin on record for Pennington was in 2000, when George W. Bush (Republican) won by 37.9 points.

How many votes were cast in Pennington relative to its population?

In 2024, 56,580 votes were recorded in Pennington against a total population of 115,979 (48.8% of the total population). This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.

Is Pennington a presidential bellwether county?

Pennington has matched the national popular winner in 4 of the last 7 presidential elections (57%), and South Dakota's own statewide winner in 7 of 7 (100%).