Los Alamos, New Mexico — Presidential Election Results

Los Alamos, New Mexico has voted Democratic in 5 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Democratic in 2008. In 2024, it was 25.1 pts more Dem. than New Mexico 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. New Mexico
2000 George W. Bush Republican 5,623 55.0% 14.4 pts (1,474 votes) 10,218 — 15.1 pts more Rep.
2004 George W. Bush Republican 5,810 51.9% 5.4 pts (604 votes) 11,197 +9.6 pts 4.7 pts more Rep.
2008 Barack Obama Democratic 5,824 52.6% 6.9 pts (760 votes) 11,069 +12.5 pts 8.3 pts more Rep.
2012 Barack Obama Democratic 5,191 48.7% 3.7 pts (395 votes) 10,654 -3.0 pts 6.6 pts more Rep.
2016 Hillary Clinton Democratic 5,562 51.1% 20.2 pts (2,203 votes) 10,885 +20.7 pts 15.4 pts more Dem.
2020 Joseph R Biden Jr Democratic 7,554 61.4% 26.6 pts (3,276 votes) 12,293 +3.0 pts 16.7 pts more Dem.
2024 Kamala D Harris Democratic 7,726 63.4% 30.2 pts (3,679 votes) 12,187 +3.6 pts 25.1 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 18,263 55.9% of population
2004 18,416 60.8% of population
2008 17,924 61.8% of population
2012 18,234 58.4% of population
2016 18,209 59.8% of population
2020 19,422 63.3% of population
2024 19,675 61.9% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Los Alamos shifted 46.3 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+15.1 pts 2004: R+5.5 pts 2008: D+7.0 pts 2012: D+4.0 pts 2016: D+24.7 pts 2020: D+27.7 pts 2024: D+31.2 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Los Alamos has matched the national popular winner in 5 of the last 7 presidential elections (71%), and New Mexico's own statewide winner in 6 of 7 (86%). Compare every county on the bellwether counties page.

Related Pages

Other New Mexico Counties

Frequently Asked Questions

How has Los Alamos voted in presidential elections since 2000?

Since 2000, Los Alamos has voted Democratic in 5 of 7 recorded presidential elections and Republican in 2 of 7, based on county-level returns through 2024.

What was the closest presidential election in Los Alamos?

Los Alamos's closest recorded margin was in 2012, when Barack Obama (Democratic) won by 4.0 points (395 votes) out of 10,654 total votes cast.

Has Los Alamos ever flipped between parties?

Yes. Los Alamos changed which party won the county in: 2008, based on the 2000-2024 record on this page.

What is the largest presidential election margin recorded in Los Alamos?

The widest margin on record for Los Alamos was in 2024, when Kamala D Harris (Democratic) won by 31.2 points.

How many votes were cast in Los Alamos relative to its population?

In 2024, 12,187 votes were recorded in Los Alamos against a total population of 19,675 (61.9% 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 Los Alamos a presidential bellwether county?

Los Alamos has matched the national popular winner in 5 of the last 7 presidential elections (71%), and New Mexico's own statewide winner in 6 of 7 (86%).