Cities and Towns in Coos County, New Hampshire

Founded in 1803, Coös County is one of 10 counties in the state of New Hampshire. Historically, Coös County was formed from part of Grafton County. The city of Lancaster is the county seat. With FIPS code of 7, Coös County has a population of 31,268 and area of 1,801 square miles (4,665 km²).

List of all cities in Coos County, NH alphabetically

City/Town	Postal Code	Area Code
Berlin, NH	03570	603
Bretton Woods, NH	03575	603
Carroll, NH	03598	603
Clarksville, NH	03592	603
Colebrook, NH	03576	603
Columbia, NH	03576	603
	03590	603
Dalton, NH	03598	603
Dixville, NH	03576	603
Dixville Notch, NH	03576	603
Dummer, NH	03588	603
Errol, NH	03579	603
Gorham, NH	03581	603
Groveton, NH	03582	603
Jefferson, NH	03583	603
Lancaster, NH	03584	603
Milan, NH	03588	603
Mount Washington, NH	03589	603
No Stratford, NH	03590	603
North Stratford, NH	03590	603
Northumberland, NH	03582	603
	03583	603
	03584	603
Pittsburg, NH	03592	603
Randolph, NH	03593	603
Shelburne, NH	03581	603
Stark, NH	03582	603
Stewartstown, NH	03576	603
Stratford, NH	03590	603
Twin Mountain, NH	03595	603
Wentworths Location, NH	03579	603
West Stewartstown, NH	03597	603
Whitefield, NH	03598	603

Major Cities and Towns in Coos County, New Hampshire

Berlin

Area, Population, Zip Codes, Latitude, and Longitude

• Area: 41.1 square miles
• Population: 9,200 (2023 estimate)
• Zip Codes: 03570
• Latitude: 44.4677° N
• Longitude: 71.1996° W

Location and History

Berlin is the largest city in Coos County and is located in the northernmost part of New Hampshire, nestled in the Androscoggin River valley and surrounded by the White Mountains. The city was first settled in the early 19th century, and it was incorporated in 1829. Berlin’s economy has historically been dominated by the timber and paper industries, with logging and paper mills being the backbone of the community for much of the 19th and 20th centuries. The city’s location along the Androscoggin River made it a prime site for the industrialization of paper production. At its peak, Berlin was known as the “Paper City” due to its numerous paper mills. In recent decades, Berlin has seen a shift away from industrial manufacturing, and its economy now leans more on tourism, recreation, and outdoor industries. The city offers visitors access to the White Mountains, as well as opportunities for hiking, skiing, and exploring the Great North Woods. Today, Berlin’s charming downtown and revitalization efforts aim to preserve its rich history while transitioning into a modern, vibrant community.

Major Schools and Landmarks

Berlin is part of the Berlin School District, which includes the Berlin High School, a regional center for education, and several elementary and middle schools. The city is home to the White Mountain Community College, providing higher education opportunities in the region. Berlin also has several notable landmarks, including the Coos County Historical Society Museum, which offers exhibits on the city’s industrial past and early settlement. The Androscoggin River, running through the heart of the city, provides scenic views and recreational opportunities like kayaking and fishing. Berlin is also close to the White Mountain National Forest, offering residents and visitors access to miles of hiking trails, camping, and winter sports such as skiing at nearby ski resorts like the Androscoggin Valley. The city is also home to several parks, including the scenic Milan Hill State Park, which offers panoramic views of the surrounding mountains and valleys. Despite its industrial history, Berlin is increasingly becoming known for its vibrant outdoor scene, with opportunities for everything from winter sports to summer hikes in some of the most scenic landscapes in the Northeast.

Lancaster

Area, Population, Zip Codes, Latitude, and Longitude

• Area: 36.7 square miles
• Population: 3,500 (2023 estimate)
• Zip Codes: 03584
• Latitude: 44.4646° N
• Longitude: 71.6116° W

Location and History

Lancaster is a historic town located in the north-central part of Coos County, nestled between the Connecticut River to the west and the White Mountains to the east. The town was first settled in 1764 and incorporated in 1779. Lancaster’s history has been tied to agriculture, logging, and trade. In the 19th century, Lancaster served as an important market town for the surrounding agricultural region. The town’s economy expanded during the industrial revolution, with the development of mills along the Connecticut River and the construction of the railroad, which helped transport goods to larger markets. Over the years, Lancaster’s economy shifted toward tourism and outdoor recreation, with visitors attracted by its proximity to the White Mountain National Forest, the Connecticut River, and the nearby Franconia Notch State Park. Today, Lancaster offers a more laid-back, rural lifestyle, and its scenic views of the surrounding mountains and river continue to draw visitors. With a charming, walkable downtown and rich historical architecture, Lancaster is a town that blends natural beauty with a strong sense of community and local history.

Major Schools and Landmarks

Lancaster is served by the Lancaster School District, which includes the Lancaster Elementary School and the prestigious White Mountains Regional High School. Lancaster is also home to several cultural institutions such as the Lancaster Historical Society, which preserves and interprets the town’s history. The town’s major landmarks include the Lancaster Fairgrounds, which hosts the annual Lancaster Fair, one of the oldest fairs in the state, offering a traditional New England agricultural fair experience. The Fairgrounds are a central feature of the community, drawing thousands of visitors every year. Lancaster also boasts several parks, including the stunning Weeks State Park, which offers excellent hiking, picnicking, and breathtaking panoramic views of the surrounding mountains. The town’s proximity to the White Mountain National Forest makes it an ideal location for outdoor activities such as hiking, wildlife watching, and camping. Lancaster’s historic downtown features 19th-century architecture and offers a variety of local shops, cafes, and restaurants, making it a cozy and vibrant hub for residents and visitors alike. The town’s combination of outdoor adventure and small-town charm makes it a popular destination for those seeking a slower pace of life in a beautiful setting.

Colebrook

Area, Population, Zip Codes, Latitude, and Longitude

• Area: 29.2 square miles
• Population: 2,500 (2023 estimate)
• Zip Codes: 03576
• Latitude: 44.6804° N
• Longitude: 71.6976° W

Location and History

Colebrook is a small town located in the northernmost part of New Hampshire, nestled along the Connecticut River. Originally settled in the 1770s and incorporated in 1829, Colebrook’s early economy was based on agriculture, timber, and the development of water-powered mills. By the 19th century, the town became an important center for the lumber and timber industry, which spurred population growth and contributed to the construction of roads and railroads. Like much of the region, Colebrook was greatly influenced by the expansion of the railroads, which provided easier access for transporting lumber and other goods.