Leonia
Leonia is significantly wealthier than the US average, with a median household income of $129,665. Population has held roughly steady since 2000. 61% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has more than doubled since 2000, reaching $672,900. With a median age of 45.9, the population is older than the US median of 38.9. It ranks in the top 5% of US cities for household income.
Population & growth
PEP 2025 EST:9,441 residents (Census Bureau Vintage 2025, released March 2026)
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Education
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People & community
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Compare Leonia to nearby cities
How many people live in Leonia, New Jersey?
Leonia, New Jersey has about 9,336 residents according to the 2024 American Community Survey.
What is the median household income in Leonia, New Jersey?
The typical household in Leonia, New Jersey earns about $129,665 a year. Half of households make more than that, and half make less.
Is Leonia, New Jersey expensive?
In Leonia, New Jersey, the median home is worth about $672,900, and the typical rent is about $2,073 a month.
How educated are people in Leonia, New Jersey?
About 61.0% of adults age 25 and over in Leonia, New Jersey hold a bachelor's degree or higher.
What is the poverty rate in Leonia, New Jersey?
About 4.3% of people in Leonia, New Jersey live below the federal poverty line.
Has Leonia, New Jersey grown since 1990?
Yes, Leonia, New Jersey has grown since 1990. The population has added about 971 residents, a change of about 12 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024