How many people live in the Trenton, NJ area?
Updated Mar. 4, 2026Refreshed annually
In 2024 there were 392,100 people in the Trenton, NJ area. That makes the Trenton, NJ metropolitan statistical area the 144th-most populous metro area in the US. It is home to 0.12% of the nation's population.
392K
population of Trenton, NJ area (2024)
0.12%
Trenton, NJ area share of US population (2024)
Between 2010 and 2024, the population of the Trenton, NJ area increased from 368,200 to 392,100—a 6.5% increase. During that same period, the US population grew 9.9%.
About 392,100 people lived in the Trenton, NJ area in 2024.
Population estimates of the Trenton-Princeton, NJ Metro Area, 2010–2024
What are the age demographics of the Trenton, NJ area?
About 16.6% of the Trenton, NJ area's population in 2024 was aged 65 years or older, lower than the 18% share in the nation overall. Children (under 18) account for 22% of the Trenton, NJ area population, above the 21.6% population share of children nationwide.
A lower share of the Trenton, NJ area population is 65 and older than the US overall.
Population share by age group in Trenton-Princeton, NJ Metro Area and the US overall (2024)
What is the racial and ethnic makeup of the Trenton, NJ area?
Hispanic residents make up 24.6% of the Trenton, NJ area population, higher than the national share of 20%.
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.
A lower share of the Trenton, NJ area population is non-Hispanic white than the US overall.
Population share by race and ethnicity in Trenton-Princeton, NJ Metro Area and the US overall (2024)
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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.
