How many people live in Belknap County, NH?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 65,300 people living in Belknap County, NH. That makes Belknap County the seventh-most populous county in New Hampshire. It is home to 4.6% of people living in the state.
65.3K
population of Belknap County, NH (2024)
4.6%
County share of the New Hampshire population (2024)
About 65,300 people lived in Belknap County, NH in 2024.
Population estimates, 2000–2024
What are Belknap County, NH’s age demographics?
About 16,900 Belknap County residents are aged 65 and older in 2024. That represents 25.8% of its population. For comparison, the age group represents 21.5% of New Hampshire’s population and 18% in the US overall.
Another 10,800 Belknap County residents, or 16.6% of the population, were children under 18. For comparison, the age group represents 17.7% of New Hampshire’s population and 21.6% in the US overall.
A higher share of Belknap County, NH's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Belknap County, NH’s racial and ethnic demographics?
Non-Hispanic white residents make up 93.9% of the Belknap County, NH population, higher than the national share of 57.5%.
In contrast, Belknap County’s Hispanic population accounts for 2.5%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.74% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Belknap County, NH has a higher share of a non-Hispanic white population than New Hampshire as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Belknap County, NH is Laconia with about 17,300 residents in 2024.
Cities and towns in Belknap County, NH ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Laconia | 17,310 |
| 2. | Gilford | 7,886 |
| 3. | Belmont | 7,428 |
| 4. | Meredith | 6,829 |
| 5. | Alton | 6,051 |
| 6. | Barnstead | 5,036 |
| 7. | Tilton | 4,116 |
| 8. | Gilmanton | 4,072 |
| 9. | Sanbornton | 3,057 |
| 10. | New Hampton | 2,425 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
