Leonia, NJ demographics:
population, income, and more

Total population
9,127
0.5% year-over-year change
Median household income
$129,219/yr
11.9% year-over-year change
Housing units
3,521
1.0% year-over-year change

Leonia population

How many people live in Leonia

Leonia is home to 9,127 residents, according to the most recent Census data. Gender-wise, 49.2% of Leonia locals are male, and 50.8% are female.

Total population
9,127
0.5% year-over-year change
Gender ratio
Male
49.2%
4,488
Female
50.8%
4,639
Value Percent YoY change
Male 4,488 49.2% 2.3%
Female 4,639 50.8% -1.2%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Leonia is 46, with the population distributed as follows: about 15.4% are children under 15, then 11.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 22% of the population, while another 33% fall into the 45 to 64 bracket. Finally, around 17.6% are 65 or older.

Median age
45.7
Age breakdown
Under 15
15.4%
15 to 24
11.9%
25 to 44
22%
45 to 64
33%
Over 65
17.6%
Value Percent YoY change
Under 15 1,409 15.4% -1.9%
15 to 24 1,087 11.9% -0.6%
25 to 44 2,009 22% 8.2%
45 to 64 3,012 33% 1.2%
Over 65 1,610 17.6% -6.4%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Leonia, 50.8% of the population are US-born citizens, while 34.6% have gained naturalized citizenship. At the same time, 14.6% of residents are non-citizens. As for race, 33.7% of locals are Caucasian, 3.2% are African American and 37.3% have Asian roots. There’s also a share of 20.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
50.8%
Non-U.S.-born citizens
34.6%
Non-citizens
14.6%
Value Percent YoY change
U.S.-born citizens 4,641 50.8% 1.1%
Non-U.S.-born citizens 3,153 34.6% 0.1%
Non-citizens 1,333 14.6% -0.7%
Racial breakdown
White
33.7%
Black or African American
3.2%
American Indian and Alaska Native
0%
Asian
37.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
20.2%
Other
5.6%
Value Percent
White 3,076 33.7%
Black or African American 290 3.2%
American Indian and Alaska Native 2 0%
Asian 3,407 37.3%
Two or more races 1,840 20.2%
Other 512 5.6%

Households in Leonia

A peek inside Leonia households

Leonia has 3,275 households, with an average of 3 members in each. Of these, 73.8% are families, while the remaining 26.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,275
0.0% year-over-year change
Average people per household
3
Non-family households
856
Family households
2,418
Value Percent YoY change
Non-family households 856 26.1% -4.7%
Family households 2,418 73.8% 1.7%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Leonia

The housing landscape of Leonia

Leonia's housing consists of 3,521 units, with 61.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 4.9% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.3% of the housing landscape.

Housing units
3,521
1.0% year-over-year change
Housing types
Value Percent
1 unit, detached 2,156 61.2%
1 unit, attached 172 4.9%
2 units 241 6.8%
3 or 4 units 327 9.3%
5 to 9 units 157 4.5%
10 to 19 units 194 5.5%
20 to 49 units 199 5.6%
50 or more units 65 1.8%
Mobile home 10 0.3%
Homes built since 2020
19
18.8% year-over-year change

The age of buildings in Leonia

In Leonia, the median construction year is 1946. About 40.7% of homes were built before the 1940s, with another 16.8% going up by 1949. Most development happened in the second half of the 20th century. Then, 0.6% of homes were added from 2000 to 2009, 2.7% between 2010 and 2019, and 0.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,433 40.7% 3.5%
Built between 1940 and 1949 592 16.8% 6.1%
Built between 1950 and 1959 452 12.8% -1.7%
Built between 1960 and 1969 208 5.9% -8.8%
Built between 1970 and 1979 256 7.3% -6.9%
Built between 1980 and 1989 260 7.4% -3.4%
Built between 1990 and 1999 182 5.2% 5.2%
Built between 2000 and 2009 23 0.6% 155.6%
Built between 2010 and 2019 95 2.7% -16.7%
Built in 2020 or later 19 0.5% 18.8%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Leonia occupancy rates

Out of the 3,275 occupied housing units in Leonia, 69.5% are owner-occupied, while 30.5% are lived in by tenants. Meanwhile, 7% of all homes on the local market sit vacant.

Occupied housing units
3,275
0.0% year-over-year change
Occupancy breakdown
Renter occupied
999
Owner occupied
2,275
Value Percent YoY
change
Renter occupied 999 30.5% 0.2%
Owner occupied 2,275 69.5% -0.1%
Unoccupied housing units
7.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Leonia housing costs

Housing costs in Leonia come to a median of $2,504 per month, while tenants specifically pay a median gross rent of $2,045.

Median housing costs per month
$2,504/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Leonia
$2,045/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Leonia

Leonia education at a glance

About 16.4% of the population in Leonia went to high school, while 10.9% pursued college studies. Another 8.9% earned an associate degree and 37.4% hold a bachelor’s. Meanwhile, 21.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 348 4.8% -7.7%
High school diploma 1,192 16.4% -2.4%
College diploma 796 10.9% -13.8%
Associate degree 647 8.9% 30.4%
Bachelor's degree 2,730 37.4% 6.8%
Graduate degree 1,578 21.6% -2.3%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Leonia

How much people earn in Leonia

The average annual household income in Leonia was $176,048 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -2.3% change from the previous year. At the same time, the median income stood at $129,219, reflecting a +11.9% shift over the same period.

Average household income in Leonia
$176,048/year
-2.3% year-over-year change
Median household income in Leonia
$129,219/year
11.9% year-over-year change

Leonia income by age

In Leonia, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $81,350. Those with someone between 45 and 64 in charge, often well established professionally, earn $156,969 overall. Overall, 95.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $81,350 -22.9%
45 - 64 $156,969 5.4%
Over 65 $112,000 7.8%
Above poverty level
8,682
Below poverty level
414
Value Percent YoY
change
Above poverty level 8,682 95.4% -0.3%
Below poverty level 414 4.6% 27.8%

Average renter income in Leonia

To get a better sense of what renters earn on average in Leonia, their median household income was $78,250 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 31.4%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$78,250
Rent-to-income ratio
31.4%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Leonia

Workforce and job types in Leonia

90.9% of the working population are employed in professional or administrative positions, while 9.1% are in hands-on or service-based jobs. Also, 13.8% run their own businesses, 68.6% are employed by private companies, and 10.2% work in the public sector.

Workforce demographics

White collar
4,465
Blue collar
447
Value Percent YoY change
White collar 4,465 90.9% 5.7%
Blue collar 447 9.1% 2.3%
Employer type
Self employees
13.8%
Private companies
68.6%
Governmental workers
10.2%
Not for profit companies
7.3%
Value Percent YoY change
Self employees 680 13.8% 3.0%
Private companies 3,370 68.6% 4.0%
Governmental workers 502 10.2% 13.1%
Not for profit companies 359 7.3% 13.2%

Transportation in Leonia

How people get around in Leonia

Commuting methods vary: 77.2% of residents travel by personal vehicle and 5.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 2,990 77.2% 0.0%
Taxicab 74 1.9% 27.6%
Bus or trolleybus 560 14.5% 7.9%
Railroad 4 0.1% 0.0%
Ferryboat 17 0.4% N/A
Bicycle 24 0.6% -17.2%
Walk 202 5.2% 29.5%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Leonia by zipcode?

Zipcode Population Number of households Median income Average income
07605 9,379 3,365 $129,219 $179,643

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FAQs about Leonia demographics 

What is the total population of Leonia?

Leonia has a total population of 9,127 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.5% compared to a year ago.

What is the gender ratio in Leonia?

The gender ratio in Leonia is as follows:
  • 49.2% males (4,488 residents)
  • 50.8% females (4,639 residents)

What is the median age in Leonia?

The median age in Leonia is 45.7.

What is the age distribution of the population in Leonia?

The age distribution in Leonia is as follows:
  • Under 15: 15.4% (1,409 residents)
  • Ages 15-24: 11.9% (1,087 residents)
  • Ages 25-44: 22% (2,009 residents)
  • Ages 45-64: 33% (3,012 residents)
  • Over 65: 17.6% (1,610 residents)

What is the racial and ethnic makeup of Leonia?

The racial and ethnic makeup of Leonia is as follows:
  • White: 33.7% (3,076 residents)
  • Black or African American: 3.2% (290 residents)
  • American Indian and Alaska Native: 0% (2 residents)
  • Asian: 37.3% (3,407 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 20.2% (1,840 residents)
  • Other: 5.6% (512 residents)

What percentage of the population in Leonia are U.S.-born citizens?

U.S.-born citizens represent 50.8% of the population in Leonia.

How many housing units are there in Leonia?

There are 3,521 housing units in Leonia, reflecting a +1.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Leonia and what is the average household size?

Leonia has a total of 3,275 households, with an average of 3 people in each.

What is the median household income in Leonia?

Leonia has a median household income of $129,219, representing a +11.9% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Leonia?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 90.9% (4,465 residents)
  • Blue-collar workers: 9.1% (447 residents)

Places of employment:
  • Self-employed: 13.8% (680 residents)
  • Private companies: 68.6% (3,370 residents)
  • Governmental workers: 10.2% (502 residents)
  • Not-for-profit companies: 7.3% (359 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025