Los Alamos County, New Mexico
Voting in Los Alamos County, New Mexico? Find registration links, ID rules, early and absentee voting options and your sample ballot here. Home to about 19,700 people, Los Alamos County ranks 20th in population among New Mexico's 33 counties. In New Mexico, the county clerk handles registration, absentee ballots and voting locations.
Next Election
June 6, 2028
Voter Portal
Register Online
What's On My Ballot?
ID Requirements
Absentee / Early Voting
Registration Deadline
Register online or by mail at least 28 days before an election; same-day registration is available in person.
Why Voting Matters
In Los Alamos County, the people who show up to vote decide who represents everyone. The next election for Los Alamos County voters is New Mexico's statewide primary on June 6, 2028, unless state lawmakers change the date; local elections can come sooner, so check your local election office. With professional and technical services and health care among the county's biggest employers, issues like broadband and innovation are decided by the officials voters choose.
In the 2024 presidential election, about 12,200 ballots were cast in Los Alamos County, about the same as the 12,300 cast in 2020. With roughly 15,700 adults living in the county, that is around 78% of adult residents, above the statewide rate of about 55%.
Put another way, about 3,480 adults in Los Alamos County sat that election out. Not all of them can vote, but if even 5% of them did, that would be roughly 174 more ballots, often more than the margin in races for local councils, school boards, the legislature or Congress.
Across about 109 square miles, Los Alamos County averages around 180 people per square mile, mixing neighborhoods, towns and open land. The county is home to about 0.9% of New Mexico's population.
ZIP codes in or partly in Los Alamos County include 87544 and 87547. Take two minutes to confirm your registration, preview your ballot with the links on this page, and decide when and how you will vote. Bring a neighbor along.
Voter Assistance Resources
Who runs elections in Los Alamos County? In New Mexico, the county clerk handles registration, absentee ballots and voting locations. For registration, polling places, early voting and absentee ballots, contact the Los Alamos County clerk.
Statewide directory, New Mexico Secretary of State's county clerk information:
https://www.sos.nm.gov/voting-and-elections/voter-information-portal-nmvote-org/county-clerk-information/
See your sample ballot. New Mexico Voter Services portal, which shows your sample ballot:
https://voterportal.servis.sos.state.nm.us/
You can also preview a personalized ballot at Vote411.org.
Free, nonpartisan help is available before and on every Election Day: call or text the Election Protection hotline at 866-OUR-VOTE (866-687-8683). Spanish: 888-VE-Y-VOTA (888-839-8682). Asian languages: 888-API-VOTE (888-274-8683).
Voters with disabilities in Los Alamos County can ask for an accessible voting machine, curbside voting where offered, and help from a person of their choice. If you run into barriers, contact Disability Rights New Mexico, New Mexico's Protection and Advocacy agency, at (800) 432-4682. VoteRiders (844-338-8743) offers free help with voter ID.
Need a ride? Many local transit agencies and ride services offer free or discounted rides to the polls on Election Day, so check what is available before the next election. See our New Mexico voter page for statewide options. Details can change, so confirm with the official election office.
Military and overseas voters can get help from the Federal Voting Assistance Program at 1-800-438-VOTE (8683) or fvap.gov.
Sign up to be an election worker
Election workers (often called poll workers) keep voting running smoothly in Los Alamos County. Most are paid for their time, get free training, and help their neighbors cast their ballots. You can work a full day, a shorter shift, or help before Election Day. County and municipal election offices recruit and train their own workers, and the EAC's Help America Vote page links to yours. Find out how to sign up:
https://www.eac.gov/help-america-vote
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