New Hampshire

Sullivan

43,063
2020 population
1830
first census record
20
census records

About Sullivan

Sullivan, New Hampshire, first appears in the United States federal census in 1830, when it recorded a population of 19,669. At the most recent census, in 2020, its population stood at 43,063.

Its recorded population peaked at 43,742 in 2010, and has since declined by roughly 2 percent.

On the ground today, 11 documented military engagements have been recorded within the county, among them Fort Number Four Attack 1744, Fort Number Four (Charlestown NH) — King George's War, Raid on Fort No. 4 NH 1746, and 69 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202043,063
201043,742
200040,458
199038,592
198036,063
197030,949
196028,067
195026,441
194025,442
193024,286
192020,922
191019,337
190018,009
189017,304
188018,161
187018,058
186019,041
185019,375
184020,340
183019,669
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Battles & engagements in Sullivan

Military engagements that took place in Sullivan, New Hampshire.

Fort Number Four Attack 1744
1744
Fort Number Four (Charlestown NH) — King George's War
1746
Raid on Fort No. 4 NH 1746
1746
Siege of Number 4 (Charlestown NH)
1747
Raid on Charlestown NH (King George's War)
1747
King George's War – Fort Number Four Siege 1747
1747
Fort Number Four Siege 1747
1747
Battle of Fort Number Four 1747
1747
Raid on Number 4 / Charlestown NH
1754
Raid on Charlestown (NH, 1754)
1754
Defense of Fort Number 4 (1754)
1754

Historic places in Sullivan

National Register of Historic Places listings in Sullivan, New Hampshire.

Charlestown Town Hall
Charlestown
Cornish-Windsor Covered Bridge
Cornish City
Washington Common Historic District
Washington
Covit House
Goshen
Windswept Acres-Powers House
Goshen
Seavey House
Goshen
Burford House
Goshen
Backside Inn
Goshen
Janicke House
Goshen
Plainfield Town Hall
Plainfield
Springfield Town Hall and Howard Memorial Methodist Church
Springfield
Unity Town Hall
Unity
Lear House
Goshen
Scranton House
Goshen
Garber House
Goshen
St. Gaudens, Louis, House and Studio
Cornish
Town Hall and Courthouse
Newport
Chase, Salmon P., Birthplace
Cornish Flat
Acworth Congregational Church
Acworth
Farwell School
Charlestown
English Church
Claremont
Claremont City Hall
Claremont
Little Red School House 1835 District No. 7
Newport
Saint-Gaudens National Historic Site Historic District
Cornish
Browse all New Hampshirehistoric sites ›

Other counties in New Hampshire

Explore census history and historic records for more New Hampshire counties.

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Everything a full report reveals about Sullivan County, New Hampshire

This page charts the census history of Sullivan County, New Hampshire. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Frequently asked about Sullivan

When does Sullivan first appear in the US census?
Sullivan, New Hampshire first appears in the federal census in 1830, with a recorded population of 19,669.
What is the population of Sullivan?
At the most recent federal census (2020), Sullivan had a recorded population of 43,063.
When did Sullivan's population peak?
Sullivan's recorded population peaked at 43,742 in 2010.
Were any battles fought in Sullivan?
11 documented military engagements took place in Sullivan, including Fort Number Four Attack 1744, Fort Number Four (Charlestown NH) — King George's War, Raid on Fort No. 4 NH 1746.
How many historic places are in Sullivan?
69 sites are listed on the National Register of Historic Places in Sullivan, New Hampshire.
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