How many people live in Passaic County, NJ?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 526,600 people living in Passaic County, NJ. That makes Passaic County the ninth-most populous county in New Jersey. It is home to 5.5% of people living in the state.
527K
population of Passaic County, NJ (2024)
5.5%
County share of the New Jersey population (2024)
About 526,600 people lived in Passaic County, NJ in 2024.
Population estimates, 2000–2024
What are Passaic County, NJ’s age demographics?
About 87,200 Passaic County, NJ residents are aged 65 and older in 2024. That represents 16.6% of its population. For comparison, the age group represents 18% of New Jersey’s population and 18% in the US overall.
Another 123,700 Passaic County residents, or 23.5% 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 Passaic County, NJ's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Passaic County, NJ’s racial and ethnic demographics?
Hispanic residents make up 46% of the Passaic County, NJ population, higher than the national share of 20%.
In contrast, Passaic County’s non-Hispanic white population accounts for 37.3%, below the 57.5% nationwide, and the non-Hispanic Black or African American population makes up 9.3% 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.
Passaic County, NJ has a higher share of a Hispanic population than New Jersey as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Passaic County, NJ is Paterson with about 160,500 residents in 2024.
Cities and towns in Passaic County, NJ ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Paterson | 160,463 |
| 2. | Clifton | 90,322 |
| 3. | Passaic | 70,722 |
| 4. | Wayne | 54,096 |
| 5. | West Milford | 24,990 |
| 6. | Hawthorne borough | 20,006 |
| 7. | Little Falls | 15,099 |
| 8. | Woodland Park borough | 13,477 |
| 9. | Ringwood borough | 11,762 |
| 10. | Wanaque borough | 11,346 |
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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.