Trenton Metro
Trenton is wealthier than most US places, with a median household income of $100,645. Population has held roughly steady since 2000. 45% of adults hold a bachelor's degree or higher. Median home value has more than doubled since 2000, reaching $377,700. It ranks in the top 1% of US metro areas for household income.
Population & growth
PEP 2025 EST:399,289 residents (Census Bureau Vintage 2025, released March 2026)
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Education
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People & community
Principal cities
1 component county
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How many people live in Trenton-Princeton, NJ?
Trenton-Princeton, NJ has about 385,864 residents according to the 2024 American Community Survey.
What is the median household income in Trenton-Princeton, NJ?
The typical household in Trenton-Princeton, NJ earns about $100,645 a year. Half of households make more than that, and half make less.
Is Trenton-Princeton, NJ expensive?
In Trenton-Princeton, NJ, the median home is worth about $377,700, and the typical rent is about $1,623 a month.
How educated are people in Trenton-Princeton, NJ?
About 45.4% of adults age 25 and over in Trenton-Princeton, NJ hold a bachelor's degree or higher.
What is the poverty rate in Trenton-Princeton, NJ?
About 10.3% of people in Trenton-Princeton, NJ live below the federal poverty line.
Has Trenton-Princeton, NJ grown since 1990?
Yes, Trenton-Princeton, NJ has grown since 1990. The population has added about 60,040 residents, a change of about 18 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · METRO ROLLUP OF COMPONENT COUNTIES · UPDATED 2024