How many people live in Grafton County, NH?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 93,000 people living in Grafton County, NH. That makes Grafton County the fifth-most populous county in New Hampshire. It is home to 6.6% of people living in the state.
93K
population of Grafton County, NH (2024)
6.6%
County share of the New Hampshire population (2024)
About 93,000 people lived in Grafton County, NH in 2024.
Population estimates, 2000–2024
What are Grafton County, NH’s age demographics?
About 22,800 Grafton County residents are aged 65 and older in 2024. That represents 24.5% of its population. For comparison, the age group represents 21.5% of New Hampshire’s population and 18% in the US overall.
Another 14,100 Grafton County residents, or 15.1% 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 lower share of Grafton County, NH's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Grafton County, NH’s racial and ethnic demographics?
Non-Hispanic white residents make up 89.2% of the Grafton County, NH population, higher than the national share of 57.5%.
In contrast, Grafton County’s Hispanic population accounts for 3.1%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 1.4% 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.
Grafton 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 Grafton County, NH is Lebanon with about 15,400 residents in 2024.
Cities and towns in Grafton County, NH ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Lebanon | 15,389 |
| 2. | Hanover | 12,005 |
| 3. | Plymouth | 6,621 |
| 4. | Littleton | 6,032 |
| 5. | Haverhill | 4,620 |
| 6. | Enfield | 4,482 |
| 7. | Canaan | 3,820 |
| 8. | Campton | 3,434 |
| 9. | Bristol | 3,276 |
| 10. | Thornton | 2,863 |
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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.
