Onslow, North Carolina — Presidential Election Results

Onslow, North Carolina has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 33.0 pts more Rep. than North Carolina 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. North Carolina
2000 George W. Bush Republican 19,657 65.1% 31.1 pts (9,388 votes) 30,215 — 18.4 pts more Rep.
2004 George W. Bush Republican 25,890 69.5% 39.3 pts (14,640 votes) 37,277 -8.0 pts 26.9 pts more Rep.
2008 John McCain Republican 30,278 60.3% 21.5 pts (10,779 votes) 50,203 +17.8 pts 22.0 pts more Rep.
2012 Mitt Romney Republican 32,243 62.7% 26.7 pts (13,753 votes) 51,435 -5.5 pts 25.0 pts more Rep.
2016 Donald Trump Republican 37,122 65.0% 34.3 pts (19,608 votes) 57,135 -8.8 pts 32.1 pts more Rep.
2020 Donald J Trump Republican 46,078 63.8% 30.2 pts (21,812 votes) 72,235 +4.9 pts 29.6 pts more Rep.
2024 Donald J Trump Republican 54,960 67.3% 35.8 pts (29,276 votes) 81,681 -5.3 pts 33.0 pts more Rep.

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 150,678 20.1% of population
2004 158,837 23.5% of population
2008 169,059 29.7% of population
2012 190,678 27.0% of population
2016 192,314 29.7% of population
2020 205,111 35.2% of population
2024 212,954 38.4% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Onslow shifted 4.9 points toward the Republican 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+31.4 pts 2004: R+39.4 pts 2008: R+21.7 pts 2012: R+27.1 pts 2016: R+35.9 pts 2020: R+31.0 pts 2024: R+36.3 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Onslow has matched the national popular winner in 4 of the last 7 presidential elections (57%), and North Carolina's own statewide winner in 6 of 7 (86%). Compare every county on the bellwether counties page.

Related Pages

Other North Carolina Counties

Frequently Asked Questions

How has Onslow voted in presidential elections since 2000?

Since 2000, Onslow 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 Onslow?

Onslow's closest recorded margin was in 2008, when John McCain (Republican) won by 21.7 points (10,779 votes) out of 50,203 total votes cast.

Has Onslow ever flipped between parties?

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

What is the largest presidential election margin recorded in Onslow?

The widest margin on record for Onslow was in 2004, when George W. Bush (Republican) won by 39.4 points.

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

In 2024, 81,681 votes were recorded in Onslow against a total population of 212,954 (38.4% 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 Onslow a presidential bellwether county?

Onslow has matched the national popular winner in 4 of the last 7 presidential elections (57%), and North Carolina's own statewide winner in 6 of 7 (86%).