New Hampshire

Belknap

63,705
2020 population
1850
first census record
18
census records

About Belknap

Belknap, New Hampshire, first appears in the United States federal census in 1850, when it recorded a population of 17,721. At the most recent census, in 2020, its population stood at 63,705.

The county's recorded population has risen across the decades to its highest level in 2020.

On the ground today, 47 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202063,705
201060,088
200056,325
199049,216
198042,884
197032,367
196028,912
195026,632
194024,328
193022,623
192021,178
191021,309
190019,526
189020,321
188017,948
187017,681
186018,549
185017,721
Source

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

Historic places in Belknap

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

Meredith Public Library
Meredith
Goss, Ossian Wilbur, Reading Room
Laconia
Monument Square Historic District
Alton
Mooney, Washington, House
New Hampton
Bay Meeting House and Vestry
Sanbornton
Gale Memorial Library
Laconia
Foss, Oscar, Memorial Library
Barnstead
US Post Office-Laconia Main
Laconia
Tilton, Charles E., Mansion
Tilton
First Free Will Baptist Church in Meredith
Meredith
First Baptist Church of Gilmanton
Gilmanton
Weirs, The
Laconia
Gilmanton Iron Works Library
Gilmanton
Belknap-Sulloway Mill
Laconia
First Congregational Church
Alton
Busiel, John W., House
Laconia
Centre Harbor Village Historic District
Centre Harbor
Busiel-Seeburg Mill
Laconia
Second Free Baptist Church
Alton
Kimball Castle
Gilford
Smith Meeting House
Gilmanton
New Hampton Town House
New Hampton
Sanbornton Square Historic District
Sanbornton
New Hampshire Veterans' Association Historic District
Laconia
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 Belknap County, New Hampshire

This page charts the census history of Belknap 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 Belknap

When does Belknap first appear in the US census?
Belknap, New Hampshire first appears in the federal census in 1850, with a recorded population of 17,721.
What is the population of Belknap?
At the most recent federal census (2020), Belknap had a recorded population of 63,705.
How many historic places are in Belknap?
47 sites are listed on the National Register of Historic Places in Belknap, New Hampshire.
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