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Pittsburg, New Hampshire
Park in Pittsburg
Park in Pittsburg
Location in Coös County, New Hampshire
Country United States
State New Hampshire
County Coös
Incorporated 1840
Named for William Pitt, 1st Earl of Chatham
Villages Pittsburg
Happy Corner
 • Total 291.3 sq mi (754.5 km2)
 • Land 281.3 sq mi (728.6 km2)
 • Water 10.0 sq mi (25.8 km2)  3.43%
1,322 ft (403 m)
 • Total 800
 • Density 3/sq mi (1.1/km2)
Time zone UTC−5 (Eastern)
 • Summer (DST) UTC−4 (Eastern)
ZIP code
Area code(s) 603
FIPS code 33-61780
GNIS feature ID 0871099

Pittsburg is a town in Coös County, New Hampshire, United States. The population was 800 at the 2020 census. It is the northernmost town in New Hampshire and the largest town by area in New England. U.S. Route 3 is the only major highway in the town, although the northern terminus of New Hampshire Route 145 also lies within Pittsburg.

Pittsburg is part of the Berlin, New Hampshire–Vermont Micropolitan Statistical Area.


Pittsburg derives its name from William Pitt, Prime Minister of the United Kingdom. Prior to its incorporation in 1840, the area was settled c. 1810 and known as the Territory of Indian Stream. It had the unique distinction of having been its own microstate briefly during the 1830s, called the Republic of Indian Stream, due to an ambiguous boundary between the United States and Canada.


Pittsburg shares an international border with Québec province, Canada to its west and north, and borders the states of Maine (to the east) and Vermont (a very small portion to the southwest). Directly to the south is Clarksville. Pittsburg is the only New Hampshire municipality to border Canada, the only one that borders both Maine and Vermont, the only one to share a land border with Vermont, and the only town entirely north of the 45th parallel. Pittsburg contains the only part of New Hampshire west of the Connecticut River, as that river defines the Vermont state line from Clarksville southward. New Hampshire's only Canadian border crossing is located at the northern end of town at the terminus of U.S. Route 3. The western edge of Pittsburg is defined by Halls Stream, being the "northwesternmost headwaters of the Connecticut River", which defined (ambiguously) the border in the Treaty of Paris of 1783.

Contained within the boundaries of Pittsburg are the Connecticut Lakes, which form the beginning of the Connecticut River. Early maps (e.g. 1854) also show several grants that were incorporated into the eastern edge of Pittsburg, including Carlisle No. 1, Webster/Carlisle No. 2 and Hubbards No. 3, all north of Atkinson and Gilmanton Academy Grant.

According to the United States Census Bureau, the town has a total area of 291.2 square miles (754 km2), the largest of any municipality incorporated as a town in both New Hampshire and New England. 281.4 square miles (729 km2) of it is land and 9.8 square miles (25 km2) of it is water, comprising 3.37% of the town.

The highest point in Pittsburg is the summit of Stub Hill, at 3,627 feet (1,106 m) above sea level. Mount Magalloway, 3,383 feet (1,031 m) above sea level, is a prominent summit reachable by hiking trail.


Historical population
Census Pop.
1840 315
1850 425 34.9%
1860 413 −2.8%
1870 400 −3.1%
1880 581 45.3%
1890 609 4.8%
1900 687 12.8%
1910 624 −9.2%
1920 1,311 110.1%
1930 671 −48.8%
1940 820 22.2%
1950 697 −15.0%
1960 639 −8.3%
1970 726 13.6%
1980 780 7.4%
1990 901 15.5%
2000 867 −3.8%
2010 869 0.2%
2020 800 −7.9%
U.S. Decennial Census

As of the census of 2000, there were 867 people, 386 households, and 264 families residing in the town. The population density was 3.1 people per square mile (1.2/km2). There were 1,281 housing units at an average density of 4.5 per square mile (1.8/km2). The racial makeup of the town was 98.27% White, 0.12% African American, 0.58% Native American, 0.23% from other races, and 0.81% from two or more races. Hispanic or Latino of any race were 0.46% of the population.

Pittsburg NH school
Pittsburg School

There were 386 households, out of which 22.3% had children under the age of 18 living with them, 59.1% were married couples living together, 4.4% had a female householder with no husband present, and 31.6% were non-families. 26.7% of all households were made up of individuals, and 14.8% had someone living alone who was 65 years of age or older. The average household size was 2.24 and the average family size was 2.67.

In the town, the population was spread out, with 18.9% under the age of 18, 5.4% from 18 to 24, 23.8% from 25 to 44, 32.9% from 45 to 64, and 19.0% who were 65 years of age or older. The median age was 46 years. For every 100 females, there were 105.9 males. For every 100 females age 18 and over, there were 105.6 males.

The median income for a household in the town was $38,516, and the median income for a family was $42,500. Males had a median income of $31,250 versus $25,455 for females. The per capita income for the town was $17,703. About 5.0% of families and 7.4% of the population were below the poverty line, including 7.8% of those under age 18 and 11.5% of those age 65 or over.

In 2014 the largest ancestry groups reported in Pittsburg were English (30.9%), French or French Canadian (21.0%), Irish (9.8%), and "American" (9.2%).


Pittsburg is a mecca for snowmobile and ATV enthusiasts year round. In the winter months thousands of people flock to Pittsburg to take advantage of the state-funded and club-supported and maintained trails that can bring snowmobilers from anywhere in the state of New Hampshire to Pittsburg, with access to the states of Maine, Vermont and the border crossing to Canada. Some of the same trails are used in the summer for ATVs. Check the Pittsburg Ridge Runners Snowmobile Club and the Great North Woods Riders ATV Club web sites for further information. Also, for weather information specific to the First Connecticut Lake in Pittsburg check John's NH Weather for current conditions, forecast and much more.

Another focus in the area for tourists is fishing and hunting. Pittsburg is home to the four Connecticut Lakes, Back Lake, part of Lake Francis, and numerous smaller water bodies. The lakes are annually stocked with fish and allow for weekends of good fishing. The area is known for fly fishing. Two sections of the Connecticut River are fly fishing only, including the "Trophy Stretch". The Connecticut Lakes Region has attracted anglers and hunters since the turn of the century. There are maps on the local snowmobile club's website that can be helpful in planning a trip to the area. It shows all trails in Pittsburg as well as roads and access points to the lakes and rivers.

Lake Francis State Park allows for lakeside camping, fishing, and canoeing on the lake or the Connecticut River. Deer Mountain Campground enables camping and picnicking on the Connecticut River.

Notable people

  • Edgar Aldrich (1848–1921), United States District Judge for the District of New Hampshire
  • Harry B. Amey (1868–1949), United States Attorney for Vermont
  • Luther Parker (1800–1853), political figure in the Republic of Indian Stream in the 1830s

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See also

Kids robot.svg In Spanish: Pittsburg (Nuevo Hampshire) para niños

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