Belknap County, NH Demographics
Belknap County, NH is the 7th most populous of 10 counties in New Hampshire, with 63,705 residents across 402 square miles. That is about 159 people per square mile.
At the 2020 census
| Population | 63,705 |
|---|---|
| Land area | 402 sq mi |
| Density | 159 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Belknap County compares to the US
We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Belknap County, NH
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Belknap County, NH — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Belknap County, NH
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 9660 | 5,052 | 6.8 | 739 |
| Census Tract 9657 | 4,915 | 43.1 | 114 |
| Census Tract 9661 | 4,493 | 6.4 | 701 |
| Census Tract 9659 | 4,092 | 1.6 | 2,639 |
| Census Tract 9658.02 | 4,075 | 16.3 | 250 |
| Census Tract 9655.98 | 3,962 | 11.1 | 355 |
| Census Tract 9664.03 | 3,957 | 11.9 | 334 |
| Census Tract 9656 | 3,945 | 57.9 | 68 |
| Census Tract 9653 | 3,680 | 26.4 | 139 |
| Census Tract 9651 | 3,417 | 50.0 | 68 |
| Census Tract 9658.01 | 3,239 | 13.6 | 238 |
| Census Tract 9662 | 3,234 | 5.0 | 642 |
| Census Tract 9665.01 | 3,082 | 39.5 | 78 |
| Census Tract 9654 | 3,026 | 47.4 | 64 |
| Census Tract 9652 | 2,982 | 13.6 | 219 |
| Census Tract 9665.02 | 2,812 | 24.2 | 116 |
| Census Tract 9664.04 | 2,282 | 21.8 | 105 |
| Census Tract 9664.01 | 1,460 | 5.2 | 282 |
Related places
Other counties nearby
Metro areas containing Belknap County
About this page
This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.
Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.