Coos County, New Hampshire
Your guide to voting in Coos County, New Hampshire: registration, sample ballots, ID requirements and where to get local help. Home to about 31,100 people, Coos County ranks 10th in population among New Hampshire's 10 counties. New Hampshire counties do not run elections. Your town or city clerk and supervisors of the checklist handle registration, absentee ballots and polling places.
Next Election
March 14, 2028
Voter Portal
Register Online
What's On My Ballot?
ID Requirements
Absentee / Early Voting
Registration Deadline
Same-day registration is available at the polls on Election Day.
Why Voting Matters
Every eligible adult in Coos County, New Hampshire holds the same power on Election Day: one vote that counts exactly as much as anyone else's. The next election for Coos County voters is New Hampshire's presidential primary, set by state law for March 14, 2028 unless the Secretary of State chooses an earlier date; local elections can come sooner, so check your local election office. Many Coos County jobs are in health care and restaurants and hospitality, so decisions about health care costs and tourism and small businesses hit close to home.
In the 2024 presidential election, about 17,200 ballots were cast in Coos County, up about 4% from 16,500 in 2020. With roughly 26,500 adults living in the county, that is around 65% of adult residents, below the statewide rate of about 71%.
That means roughly 9,220 adult residents did not cast a presidential ballot. Some are not eligible, but many are, and that is a lot of untapped power. If just one in 20 of them voted, Coos County would add about 461 voices, more than enough to decide a close local race.
Covering about 1,795 square miles with roughly 17 people per square mile, Coos County is the kind of rural community where a few dozen votes can settle a local election. The county is home to about 2.2% of New Hampshire's population.
ZIP codes in or partly in Coos County include 03570, 03574, 03575, 03576, 03579, 03581, 03582 and 03583, plus 9 more. Confirm your registration, read through your sample ballot before Election Day, and choose whether you will vote early, by mail or in person. Invite someone you know in Coos County to join you.
Voter Assistance Resources
Local election help in Coos County: New Hampshire counties do not run elections. Your town or city clerk and supervisors of the checklist handle registration, absentee ballots and polling places. For registration, polling places, early voting and absentee ballots, contact your town or city clerk.
Statewide directory, New Hampshire Secretary of State voter page:
https://www.sos.nh.gov/elections/voters
See your sample ballot. New Hampshire Secretary of State sample ballots:
https://www.sos.nh.gov/elections/sample-ballots
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 Coos 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 the Disability Rights Center of New Hampshire, New Hampshire's Protection and Advocacy agency, at (800) 834-1721. 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 Hampshire 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 Coos 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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