Belknap County, New Hampshire Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 7th-largest in New Hampshire
The population of Belknap County, New Hampshire is 64,300 as of the 2023 American Community Survey, making it the 7th-largest county in New Hampshire. The median household income is $87,983, the median home value is $340,000, and the median age is 48.3.
The population of Belknap County has grown 8.6% since 2010 (60,101 → 65,257), a +0.59% annualized rate.
64,300
Population
+0.59%
Annual growth
160
People / sq mi
$87,983
Median Income
$340,000
Median Home Value
Belknap County covers 402 sq mi of land at 160.0 people per square mile.
About Belknap County, NH
What sets Belknap County apart is money: median household income runs $87,983, above the US median of $78,538. With 64,300 residents, Belknap County is a county in New Hampshire. It is the #7-largest of all counties in New Hampshire nationally.
Households here are among the highest-earning of all US counties: median income is $87,983, above the US median of $78,538. Poverty is relatively low for US counties at 7.0%, below the national 12.4%. The median home value is $340,000, with typical rent around $1,184.
Educational attainment is on the higher side for US counties — 32.6% of adults hold a four-year degree, below the national 35.0%. About 11.5% of workers primarily work from home, below the national 14.0%, and the average commute runs about 26 minutes each way.
Taken together, the income and housing figures place Belknap County firmly in the higher-cost, higher-earning tier of US counties — a profile that tends to track dense job markets and competitive housing.
Belknap County Population History (2010-2024)
The county of Belknap County had a population of 60,101 in 2010 and 65,257 in 2024, a 8.6% growth over 14 years. The peak was 65,257 in 2024. Average annual growth rate: 0.59%.
65,257
Population (2024)
60,101
Population (2010)
65,257
Peak (2024)
0.59%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 60,101 |
| 2011 | 60,339 |
| 2012 | 60,450 |
| 2013 | 60,257 |
| 2014 | 60,313 |
| 2015 | 60,408 |
| 2016 | 60,774 |
| 2017 | 60,907 |
| 2018 | 61,242 |
| 2019 | 61,398 |
| 2020 | 63,774 |
| 2021 | 64,598 |
| 2022 | 64,647 |
| 2023 | 65,019 |
| 2024 | 65,257 |
Race & Ethnicity
| White | 93.8% |
| Black or African American | 0.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.8% |
| Two or More Races | 0.0% |
Age & Sex
48.3
Median Age
50.6%
Female
49.4%
Male
23.4%
Age 65+
Age Distribution
Children (under 15): 14.2% · Seniors (65+): 23.4%
Income & Poverty
| Median household income | $87,983$-7,645 vs state |
| Mean household income | $111,450 |
| Per-capita income | $47,000 |
| Poverty rate | 7.0%+2.6% vs state |
| Unemployment rate | 1.6% |
| Employment-to-population | 60.6% |
Top Industries by Employment
The largest employment sector in Belknap County is professional & business services, accounting for 24.3% of workers.
How residents commute
0.3%
Drive alone
1.4%
Carpool
77.9%
Public transit
11.5%
Work from home
25.7 min
Avg commute
Housing
$340,000$-27,200 vs state
Median home value
$1,184
Median rent
78.7%
Homeownership rate
38,718
Total housing units
67.5%
Occupied
32.5%
Vacant
21.3%
Renter-occupied
Social & access
93.9%
With health insurance
94.3%
With broadband internet
46.8%
Foreign-born
10.2%
Veterans (18+)
16.1%
With a disability
96.5%
Speak language other than English at home
Education
93.8%
High School+
32.6%
Bachelor's+
Largest cities in New Hampshire
Other counties in New Hampshire
Part of New Hampshire
Metro areas in New Hampshire
County rankings
Frequently Asked Questions
Belknap County, New Hampshire has a population of 64,300 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 7th-largest county in New Hampshire. Population density is 160 people per square mile.
The population of Belknap County has grown 8.6% since 2010 (60,101 → 65,257), a +0.59% annualized rate.
The median household income in Belknap County, New Hampshire is $87,983, with mean (average) household income of $111,450 and per-capita income of $47,000. 7.0% of residents live below the federal poverty level.
In Belknap County, the largest racial and ethnic groups are White (93.8%), Hispanic or Latino (0.8%), Black or African American (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Belknap County, New Hampshire is 48.3 years. Residents are 50.6% female and 49.4% male.
The median home value in Belknap County is $340,000 and median monthly rent is $1,184. 78.7% of occupied housing units are owner-occupied. The county has 38,718 total housing units, 32.5% of which are vacant.
The largest employment sector in Belknap County, New Hampshire is professional, scientific, and management services, employing 24.3% of workers. The unemployment rate is 1.6%.
Manchester is among the largest cities associated with Belknap County, New Hampshire, with a population of 115,415.
Belknap County, NH Climate
Belknap County, NH has an average annual temperature of 7°C (45°F) and receives about 1038 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
7°C
Avg Temp
1038
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -8° / 18° | 74 mm |
| February | -6° / 22° | 71 mm |
| March | -1° / 31° | 74 mm |
| April | 6° / 42° | 88 mm |
| May | 13° / 55° | 92 mm |
| June | 18° / 64° | 90 mm |
| July | 20° / 69° | 94 mm |
| August | 19° / 67° | 93 mm |
| September | 15° / 59° | 79 mm |
| October | 9° / 48° | 91 mm |
| November | 3° / 37° | 104 mm |
| December | -4° / 26° | 88 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Belknap County, NH
The most comfortable months to visit Belknap County, NH are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 27°C high). The coldest is January (near -13°C low). November is usually the wettest month.
Where to stay near Belknap County
Visiting or relocating to Belknap County, NH? Compare hotels and short-term rentals across the county — live availability and prices.
Top-rated places to stay near Belknap County
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a move to Belknap County?
Get relocation and cost-of-living insights for Belknap County, NH by email. No spam, unsubscribe anytime.
More from New Hampshire
Population 424,732
Population 317,163
Population 155,018
Population 131,743
Full rankings of New Hampshire counties
Statewide data for New Hampshire
Population, race, income, age, and trends across New Hampshire
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.