How many people live in Hunterdon County, NJ?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 131,700 people living in Hunterdon County, NJ. That makes Hunterdon County the 18th-most populous county in New Jersey. It is home to 1.4% of people living in the state.
132K
population of Hunterdon County, NJ (2024)
1.4%
County share of the New Jersey population (2024)
About 131,700 people lived in Hunterdon County, NJ in 2024.
Population estimates, 2000–2024
What are Hunterdon County, NJ’s age demographics?
About 29,300 Hunterdon County residents are aged 65 and older in 2024. That represents 22.3% of its population. For comparison, the age group represents 18% of New Jersey’s population and 18% in the US overall.
Another 25,000 Hunterdon County residents, or 19% of the population, were children under 18. For comparison, the age group represents 21.5% of New Jersey’s population and 21.6% in the US overall.
A higher share of Hunterdon County, NJ's population is aged 45–64 than the US as a whole.
Population estimates by age group, (2024)
What are Hunterdon County, NJ’s racial and ethnic demographics?
Non-Hispanic white residents make up 79.9% of the Hunterdon County population, higher than the national share of 57.5%.
In contrast, Hunterdon County’s non-Hispanic Black or African American population accounts for 2.7%, below the 12.6% nationwide, and the Hispanic population makes up 10.1% of the county, compared with 20% 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.
Hunterdon County, NJ has a higher share of a non-Hispanic white population than New Jersey as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Hunterdon County, NJ is Raritan with about 25,300 residents in 2024.
Cities and towns in Hunterdon County, NJ ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Raritan | 25,288 |
| 2. | Readington | 16,371 |
| 3. | Clinton | 13,405 |
| 4. | Union | 6,536 |
| 5. | Lebanon | 6,237 |
| 6. | Tewksbury | 5,919 |
| 7. | Holland | 5,232 |
| 8. | Flemington borough | 4,905 |
| 9. | Alexandria | 4,845 |
| 10. | Delaware | 4,592 |
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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.
