Coos County, NH Demographics
Coos County, NH is the 10th most populous of 10 counties in New Hampshire, with 31,268 residents across 1,795 square miles. That is about 17 people per square mile.
At the 2020 census
| Population | 31,268 |
|---|---|
| Land area | 1,795 sq mi |
| Density | 17 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Coos 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: Coos County, NH
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Coos County, NH — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Coos County, NH
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 9506 | 4,135 | 6.9 | 600 |
| Census Tract 9511 | 3,423 | 61.8 | 55 |
| Census Tract 9504 | 3,267 | 218.1 | 15 |
| Census Tract 9505 | 3,218 | 75.6 | 43 |
| Census Tract 9507 | 3,089 | 9.8 | 315 |
| Census Tract 9509 | 3,053 | 156.1 | 20 |
| Census Tract 9502 | 2,743 | 101.3 | 27 |
| Census Tract 9508 | 2,201 | 44.7 | 49 |
| Census Tract 9510 | 2,192 | 256.5 | 9 |
| Census Tract 9503 | 2,040 | 456.7 | 4 |
| Census Tract 9501 | 1,907 | 407.1 | 5 |
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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.