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Coos County, NH: population growth, jobs and income

Coos County lost 34 residents between 2024 and 2025 (−0.1%).

Coos County had an estimated 31,343 residents in 2025, up 0.3% (108 more people) since 2020. That is slower than New Hampshire as a whole (+2.7%), and the 10th fastest growth of 10 counties in New Hampshire.

Data as of 2025 · updated

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In the Coos County report

One-time $99 PDF: everything on this page for Coos County, ranked against New Hampshire and the U.S., plus these figures that are not on the free page:

  • Median gross rent$876/mo2020–24
  • Vacant homes, incl. seasonal and second homes32.2%2020–24
  • New homes permitted, last 12 months812025-10/2026-09
  • Rent growth, 5 yearsIn the report
  • Permits in 5+ unit buildingsIn the report
  • IRS income moving in (net AGI)In the report
  • Neighbouring-county comparison tableIn the report

What's inside: 5 pages

  1. 1 Summary, headline numbers and ranks (free preview)
  2. 2 Ranks and the neighbouring-county table
  3. 3 Migration, with IRS mover and income flows
  4. 4 Rent, vacant homes, permits and employers
  5. 5 Every source and the methods
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Headline numbers

What the numbers say

Net domestic migration added 275 people in 2025: more people moved in from other U.S. counties than moved out.

Private employers had 8,380 paid employees in mid-March 2023, −3.7% since 2018 (County Business Patterns).

Unemployment averaged 3.2% in 2025, 0.1 points higher than in 2019 (before the pandemic).

Builders were authorized to start 150 new homes in 2025, or 4.8 per 1,000 residents.

Median household income was $57,677 in the 2020–24 American Community Survey, +17.8% since 2016–20.

Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 1,763rd.

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Coos County population by year

Resident population, July 1 estimate (Census Bureau)
YearPopulationChange
202531,343−34
202431,377+130
202331,247−197
202231,444+42
202131,402+167
202031,235–

Census Bureau population estimates, July 1 of each year.

What drove the change in Coos County

Coos County grew by 108 people since 2020; the largest part came from domestic migration (+1,669).

Components of population change, people (Census Bureau)
Component20252020–25Share
Natural changebirths minus deaths−315−1,638
International migrationfrom and to other countries+11+78
Domestic migrationfrom and to other U.S. counties+275+1,669
Census adjustmentbalancing residual−5−1
Total change−34+108

Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.

How it ranks

MeasureIn New HampshireAmong U.S. counties
Population growth10th of 101,763rd of 3,107
Net domestic migration per 1,000 residents2nd of 10647th of 3,108
Private-sector job growth10th of 102,340th of 3,092
Median household income10th of 102,264th of 3,107
Lowest unemployment rate8th of 10603rd of 3,108
New homes permitted per 1,000 residents4th of 10663rd of 3,005

1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.

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The County Growth and Demographics Report for Coos County, NH as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.

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Neighbouring counties

Coos County grew more slowly than all 4 of its neighbouring counties (+0.3%, 2020–25).

Its median household income ($57,677, 2020–24) is lower than in all 4 of its neighbouring counties.

Coos County, NH and its 4 neighbouring counties: public federal figures
CountyPopulation2025Population change2020–25Net domestic migration per 1,000 residents2025Homes permitted per 1,000 residents2025Median household income2020–24
Coos County, NH This county31,343+0.3%8.84.8$57,677
Essex County, VT6,051+2.2%17.21.7$59,294
Oxford County, ME60,346+4.2%11.87.8$60,173
Carroll County, NH52,784+5.0%10.69.6$86,463
Grafton County, NH93,225+2.2%5.24.4$88,261

Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.

All 10 New Hampshire counties · Every state

Questions

Is Coos County growing?

Yes. Its population grew 0.3% between 2020 and 2025, about 108 more people (Census Bureau population estimates). New Hampshire as a whole changed +2.7% over the same years. That ranks 10th of 10 counties in New Hampshire for population growth.

How many people moved to Coos County?

On net, about 275 people in 2025: that many more moved in from other U.S. counties than moved out (Census Bureau net domestic migration estimate).

What is the unemployment rate in Coos County?

It averaged 3.2% in 2025 (BLS Local Area Unemployment Statistics, annual average).

What is the population of Coos County?

About 31,343 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.

How many jobs are in Coos County?

Private employers there had 8,380 paid employees in mid-March 2023, −3.7% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).

What Beacon CRE covers in New Hampshire

Map, parcel and listing layers cover North and South Carolina only for now. This page and the other New Hampshire county pages carry the public federal growth figures.

Coos County data alerts

Email me when Coos County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.

We use your address only to email you when new data for Coos County is out: what changed, with a link to that county's report. No newsletter, no other sales emails. Delete it any time with the link in every email. We'll email you a link to confirm first; nothing starts until you click it. Privacy notice.

Sources and method

Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.

Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.