Coos County, New Hampshire
Coos County: county in New Hampshire, United States.
About
Coos County is a county located in the U.S. state of New Hampshire. As of the 2010 census, the population was 33,055 and a population density of 7 people per km². After 10 years in 2020 county had an estimated population of 31,174 inhabitants. Its county seat is Lancaster. The county was created 223 years ago in 1802.
County Snapshot
Coos County at a glance
Coos County currently has 6 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
6
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
New Hampshire counties
10
Open related pagesLargest city
BerlinPopulation 9,813
Top linked places
Quick Facts about Coos County
| Population | 31,174 (2020) |
| Country | United States of America |
| State | New Hampshire (United States) |
| Different from | Coosa County, Coos County |
| Area | 4743 km2 |
| Water as percent of area | 1.95% |
| Land as percent of area | 98.05% |
| Latitude & Longitude | 44.6896,-71.3054 |
| Capital | Lancaster |
| Establishment | January 01, 1803 |
| Time Zone | Eastern Time Zone, UTC−04:00, UTC−05:00 |
| Local time | 06:31:18 (23rd September 2026) |
| Density | 7 Pop. per km² as of 2020 |
| Population growth | -5.69% (2010-2020) |
| Weather | 63℉ Sunny 7-days weather |
Geography
Coos County is located at 44°41'23"N 71°18'20"W (44.6896000, -71.3054200). It has 4 neighbors: Carroll County, Oxford County, Grafton County and Essex County.
Coos County map
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The largest city of Coos County is Berlin with a population of 9,813. Other cities include, Whitefield population 2,197, Colebrook population 2,134, Northumberland population 2,117 and Milan population 1,233. See all Coos County cities & populated places.
Coos County Populated Places
Cities, towns, neighborhoods & other populated places in Coos County.
| City Name | Population | Title |
|---|---|---|
| Berlin | 9,813 | City in Coos County, New Hampshire, USA |
| Whitefield | 2,197 | Town in New Hampshire, United States |
| Colebrook | 2,134 | City in Coös County, New Hampshire, United States of America |
| Northumberland | 2,117 | Town in the state of New Hampshire |
| Milan | 1,233 | Town in Coos County, New Hampshire |
| Jefferson | 1,049 | Town in New Hampshire, United States |
Official website of Coos County
Official Website- Erving's Location
- Jefferson
- Dummer
- Sargent's Purchase
- Atkinson and Gilmanton Academy Grant
- Wentworth's Location
- Chandler's Purchase
- Cutt's Grant
- Whitefield
- Crawford's Purchase
- Milan
- Dix's Grant
- Millsfield
- Bean's Purchase
- Pinkham's Grant
- Thompson and Meserve's Purchase
- Martin's Location
- Colebrook
- Stark
- Columbia
- Success
- Odell
- Carroll
- Randolph
- Clarksville
- Lancaster
- Bean's Grant
- Green's Grant
- Errol
- Berlin
- Low and Burbank's Grant
- Stewartstown
- Cambridge
- Kilkenny
- Northumberland
- Dixville
- Shelburne
- Stratford
- Hadley's Purchase
- Gorham
- Second College Grant
- Pittsburg
- Dalton
Demographics
According to census records, the population of Coos County decreased by 5.69% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 33,055 | - | census |
| 2011 | 32,507 | -1.66% | estimation process |
| 2012 | 31,978 | -1.63% | estimation process |
| 2013 | 31,949 | -0.09% | estimation process |
| 2014 | 32,779 | 2.6% | estimation process |
| 2015 | 32,343 | -1.33% | estimation process |
| 2016 | 31,916 | -1.32% | estimation process |
| 2017 | 31,396 | -1.63% | estimation process |
| 2018 | 31,486 | 0.29% | estimation process |
| 2019 | 31,563 | 0.24% | estimation process |
| 2020 | 31,174 | -1.23% | estimation process |
People born in Coos County (2)
People born in Coos County, including politician; Lieutenant Governor of Wisconsin Charles D. Parker, newspaper publisher Stilson Hutchins, .
More notable people
Other places with the same name (1)
- Coos County, Oregon county in New Hampshire, United States. with a population of 64,711 people.
New Hampshire Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Hillsborough County | 418,735 | The most populous county in the U. |
| Rockingham County | 311,307 | County in New Hampshire, United States |
| Merrimack County | 152,622 | County in New Hampshire, United States |
| Strafford County | 131,533 | County in New Hampshire, United States |
| Manchester | 112,546 | The most populous city in Hillsborough County, New Hampshire. |
| City of Manchester | 109,565 | The most populous city in Hillsborough County, New Hampshire. |
| Grafton County | 90,691 | County in New Hampshire, United States |
| Nashua | 89,167 | The most populous city in Hillsborough County, New Hampshire. |
| Cheshire County | 76,228 | County in New Hampshire, United States |
| Belknap County | 61,551 | County in New Hampshire, United States |
| Carroll County | 49,167 | County in New Hampshire, United States |
| Concord | 43,924 | The capital of New Hampshire. |
| Sullivan County | 43,267 | County in New Hampshire, United States |
| East Concord | 42,605 | A census-designated place in Merrimack County, New Hampshire. |
| Derry | 33,442 | Town in New Hampshire, United States |
| Dover | 32,443 | County seat city in Strafford County, New Hampshire, United States |