Fairfield, NJ demographics:
population, income, and more

Total population
7,722
1.4% year-over-year change
Median household income
$115,980/yr
2.0% year-over-year change
Housing units
3,096
2.7% year-over-year change

Fairfield population

How many people live in Fairfield

Fairfield is home to 7,722 residents, according to the most recent Census data. Gender-wise, 43.1% of Fairfield locals are male, and 56.9% are female.

Total population
7,722
1.4% year-over-year change
Gender ratio
Male
43.1%
3,329
Female
56.9%
4,393
Value Percent YoY change
Male 3,329 43.1% -2.8%
Female 4,393 56.9% 5.0%
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 Fairfield is 50, with the population distributed as follows: about 16.6% are children under 15, then 8.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 18.8% of the population, while another 27.1% fall into the 45 to 64 bracket. Finally, around 28.8% are 65 or older.

Median age
49.9
Age breakdown
Under 15
16.6%
15 to 24
8.6%
25 to 44
18.8%
45 to 64
27.1%
Over 65
28.8%
Value Percent YoY change
Under 15 1,285 16.6% -6.6%
15 to 24 668 8.6% 36.9%
25 to 44 1,449 18.8% -1.1%
45 to 64 2,096 27.1% 9.3%
Over 65 2,224 28.8% -6.0%
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 Fairfield, 83.8% of the population are US-born citizens, while 12.4% have gained naturalized citizenship. At the same time, 3.8% of residents are non-citizens. As for race, 82.2% of locals are Caucasian, 1.5% are African American and 3.2% have Asian roots. There’s also a share of 12.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
83.8%
Non-U.S.-born citizens
12.4%
Non-citizens
3.8%
Value Percent YoY change
U.S.-born citizens 6,467 83.8% 0.5%
Non-U.S.-born citizens 960 12.4% 1.2%
Non-citizens 295 3.8% 31.1%
Racial breakdown
White
82.2%
Black or African American
1.5%
American Indian and Alaska Native
0%
Asian
3.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
12.8%
Other
0.3%
Value Percent
White 6,352 82.2%
Black or African American 116 1.5%
Asian 248 3.2%
Two or more races 986 12.8%
Other 21 0.3%

Households in Fairfield

A peek inside Fairfield households

Fairfield has 3,000 households, with an average of 3 members in each. Of these, 75.3% are families, while the remaining 24.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,000
1.2% year-over-year change
Average people per household
3
Non-family households
740
Family households
2,259
Value Percent YoY change
Non-family households 740 24.7% 1.5%
Family households 2,259 75.3% 1.1%
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 Fairfield

The housing landscape of Fairfield

Fairfield's housing consists of 3,096 units, with 76.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 4.4% and offer a more compact, shared living style.

Housing units
3,096
2.7% year-over-year change
Housing types
Value Percent
1 unit, detached 2,364 76.4%
1 unit, attached 135 4.4%
2 units 43 1.4%
5 to 9 units 104 3.4%
20 to 49 units 450 14.5%
Homes built since 2020
100
222.6% year-over-year change

The age of buildings in Fairfield

In Fairfield, the median construction year is 1974. About 3.5% of homes were built before the 1940s, with another 1.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 22.4% of homes were added from 2000 to 2009, 3.5% between 2010 and 2019, and 3.2% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 108 3.5% 24.1%
Built between 1940 and 1949 43 1.4% -29.5%
Built between 1950 and 1959 306 9.9% 14.2%
Built between 1960 and 1969 885 28.6% -13.0%
Built between 1970 and 1979 495 16% 13.8%
Built between 1980 and 1989 269 8.7% 42.3%
Built between 1990 and 1999 89 2.9% -20.5%
Built between 2000 and 2009 694 22.4% -7.8%
Built between 2010 and 2019 107 3.5% 72.6%
Built in 2020 or later 100 3.2% 222.6%
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.

Fairfield occupancy rates

Out of the 3,000 occupied housing units in Fairfield, 78.7% are owner-occupied, while 21.3% are lived in by tenants. Meanwhile, 3.1% of all homes on the local market sit vacant.

Occupied housing units
3,000
1.2% year-over-year change
Occupancy breakdown
Renter occupied
640
Owner occupied
2,360
Value Percent YoY
change
Renter occupied 640 21.3% 4.4%
Owner occupied 2,360 78.7% 0.4%
Unoccupied housing units
3.1%
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.

Fairfield housing costs

Housing costs in Fairfield come to a median of $2,964 per month, while tenants specifically pay a median gross rent of $2,656.

Median housing costs per month
$2,964/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 Fairfield
$2,656/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 Fairfield

Fairfield education at a glance

About 23.9% of the population in Fairfield went to high school, while 16.5% pursued college studies. Another 9.5% earned an associate degree and 28.2% hold a bachelor’s. Meanwhile, 20.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 87 1.4% 4.8%
High school diploma 1,464 23.9% -3.1%
College diploma 1,012 16.5% -7.8%
Associate degree 583 9.5% 81.6%
Bachelor's degree 1,726 28.2% -8.3%
Graduate degree 1,254 20.5% 10.2%
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 Fairfield

How much people earn in Fairfield

The average annual household income in Fairfield was $145,608 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -4% change from the previous year. At the same time, the median income stood at $115,980, reflecting a +2% shift over the same period.

Average household income in Fairfield
$145,608/year
-4.0% year-over-year change
Median household income in Fairfield
$115,980/year
2.0% year-over-year change

Fairfield income by age

In Fairfield, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $166,466. Those with someone between 45 and 64 in charge, often well established professionally, earn $166,919 overall. Overall, 93.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $166,466 -23.4%
45 - 64 $166,919 4.1%
Over 65 $84,490 3.1%
Above poverty level
7,058
Below poverty level
505
Value Percent YoY
change
Above poverty level 7,058 93.3% 5.1%
Below poverty level 505 6.7% -33.9%

Employment in Fairfield

Workforce and job types in Fairfield

85.8% of the working population are employed in professional or administrative positions, while 14.2% are in hands-on or service-based jobs. Also, 18.4% run their own businesses, 60% are employed by private companies, and 16.2% work in the public sector.

Workforce demographics

White collar
2,908
Blue collar
482
Value Percent YoY change
White collar 2,908 85.8% -2.3%
Blue collar 482 14.2% 28.9%
Employer type
Self employees
18.4%
Private companies
60%
Governmental workers
16.2%
Not for profit companies
5.4%
Value Percent YoY change
Self employees 623 18.4% 14.3%
Private companies 2,035 60% -4.0%
Governmental workers 548 16.2% 3.0%
Not for profit companies 184 5.4% 19.5%

Transportation in Fairfield

How people get around in Fairfield

Means of transportation
Value Percent YoY change
Car 2,715 97.2% 2.8%
Bus or trolleybus 7 0.2% N/A
Railroad 32 1.2% 39.1%
Bicycle 40 1.4% -2.4%
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 Fairfield by zipcode?

Zipcode Population Number of households Median income Average income
07004 7,824 3,039 $115,980 $145,876

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FAQs about Fairfield demographics 

What is the total population of Fairfield?

Fairfield has a total population of 7,722 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 +1.4% compared to a year ago.

What is the gender ratio in Fairfield?

The gender ratio in Fairfield is as follows:
  • 43.1% males (3,329 residents)
  • 56.9% females (4,393 residents)

What is the median age in Fairfield?

The median age in Fairfield is 49.9.

What is the age distribution of the population in Fairfield?

The age distribution in Fairfield is as follows:
  • Under 15: 16.6% (1,285 residents)
  • Ages 15-24: 8.6% (668 residents)
  • Ages 25-44: 18.8% (1,449 residents)
  • Ages 45-64: 27.1% (2,096 residents)
  • Over 65: 28.8% (2,224 residents)

What is the racial and ethnic makeup of Fairfield?

The racial and ethnic makeup of Fairfield is as follows:
  • White: 82.2% (6,352 residents)
  • Black or African American: 1.5% (116 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 3.2% (248 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 12.8% (986 residents)
  • Other: 0.3% (21 residents)

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

U.S.-born citizens represent 83.8% of the population in Fairfield.

How many housing units are there in Fairfield?

There are 3,096 housing units in Fairfield, reflecting a +2.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Fairfield has a total of 3,000 households, with an average of 3 people in each.

What is the median household income in Fairfield?

Fairfield has a median household income of $115,980, representing a +2.0% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Fairfield?

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

Job types:
  • White-collar workers: 85.8% (2,908 residents)
  • Blue-collar workers: 14.2% (482 residents)

Places of employment:
  • Self-employed: 18.4% (623 residents)
  • Private companies: 60% (2,035 residents)
  • Governmental workers: 16.2% (548 residents)
  • Not-for-profit companies: 5.4% (184 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