Fairfield, CA demographics:
population, income, and more

Total population
120,785
0.7% year-over-year change
Median household income
$101,895/yr
-0.4% year-over-year change
Housing units
40,391
2.0% year-over-year change

Fairfield population

How many people live in Fairfield

Fairfield is home to 120,785 residents, according to the most recent Census data. Gender-wise, 49.9% of Fairfield locals are male, and 50.1% are female.

Total population
120,785
0.7% year-over-year change
Gender ratio
Male
49.9%
60,268
Female
50.1%
60,517
Value Percent YoY change
Male 60,268 49.9% 1.5%
Female 60,517 50.1% -0.2%
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 Fairfield is 37, with the population distributed as follows: about 20% are children under 15, then 13.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 28.2% of the population, while another 23.5% fall into the 45 to 64 bracket. Finally, around 14.9% are 65 or older.

Median age
36.9
Age breakdown
Under 15
20%
15 to 24
13.4%
25 to 44
28.2%
45 to 64
23.5%
Over 65
14.9%
Value Percent YoY change
Under 15 24,091 20% 1.4%
15 to 24 16,170 13.4% -2.4%
25 to 44 34,080 28.2% 0.7%
45 to 64 28,393 23.5% 0.0%
Over 65 18,051 14.9% 3.5%
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, 73.8% of the population are US-born citizens, while 15.9% have gained naturalized citizenship. At the same time, 10.4% of residents are non-citizens. As for race, 32.2% of locals are Caucasian, 14.5% are African American and 18.1% have Asian roots. Another 0.7% are Indigenous American, 1.4% are Pacific Islanders, while 15.4% identify as another race. There’s also a share of 17.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
73.8%
Non-U.S.-born citizens
15.9%
Non-citizens
10.4%
Value Percent YoY change
U.S.-born citizens 89,087 73.8% 1.2%
Non-U.S.-born citizens 19,185 15.9% 2.1%
Non-citizens 12,513 10.4% -4.9%
Racial breakdown
White
32.2%
Black or African American
14.5%
American Indian and Alaska Native
0.7%
Asian
18.1%
Native Hawaiian and other Pacific Islander
1.4%
Two or more races
17.7%
Other
15.4%
Value Percent
White 38,871 32.2%
Black or African American 17,469 14.5%
American Indian and Alaska Native 864 0.7%
Asian 21,843 18.1%
Native Hawaiian and other Pacific Islander 1,726 1.4%
Two or more races 21,433 17.7%
Other 18,579 15.4%

Households in Fairfield

A peek inside Fairfield households

Fairfield has 38,757 households, with an average of 3 members in each. Of these, 73.6% are families, while the remaining 26.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
38,757
2.1% year-over-year change
Average people per household
3
Non-family households
10,218
Family households
28,539
Value Percent YoY change
Non-family households 10,218 26.4% 6.7%
Family households 28,539 73.6% 0.6%
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 40,391 units, with 69.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 6.7% 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 1.8% of the housing landscape.

Housing units
40,391
2.0% year-over-year change
Housing types
Value Percent
1 unit, detached 28,005 69.3%
1 unit, attached 2,696 6.7%
2 units 301 0.8%
3 or 4 units 2,029 5%
5 to 9 units 1,579 3.9%
10 to 19 units 1,391 3.4%
20 to 49 units 1,232 3%
50 or more units 2,414 6%
Mobile home 723 1.8%
Boat, RV, van, etc. 21 0%
Homes built since 2020
696
178.4% year-over-year change

The age of buildings in Fairfield

In Fairfield, the median construction year is 1986. About 0.8% of homes were built before the 1940s, with another 1.3% going up by 1949. Most development happened in the second half of the 20th century. Then, 16.2% of homes were added from 2000 to 2009, 9.1% between 2010 and 2019, and 1.7% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 321 0.8% -13.2%
Built between 1940 and 1949 525 1.3% 0.2%
Built between 1950 and 1959 3,403 8.4% 10.9%
Built between 1960 and 1969 4,268 10.6% -8.4%
Built between 1970 and 1979 6,759 16.7% 5.9%
Built between 1980 and 1989 7,964 19.7% 0.1%
Built between 1990 and 1999 6,251 15.5% -2.1%
Built between 2000 and 2009 6,536 16.2% 4.1%
Built between 2010 and 2019 3,668 9.1% -1.8%
Built in 2020 or later 696 1.7% 178.4%
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 38,757 occupied housing units in Fairfield, 61.3% are owner-occupied, while 38.7% are lived in by tenants. Meanwhile, 4% of all homes on the local market sit vacant.

Occupied housing units
38,757
2.1% year-over-year change
Occupancy breakdown
Renter occupied
15,000
Owner occupied
23,757
Value Percent YoY
change
Renter occupied 15,000 38.7% -0.8%
Owner occupied 23,757 61.3% 4.1%
Unoccupied housing units
4.0%
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.

Fairfield housing costs

Housing costs in Fairfield come to a median of $2,267 per month, while tenants specifically pay a median gross rent of $2,266.

Median housing costs per month
$2,267/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
$2,266/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 32.8% of the population in Fairfield went to high school, while 26.4% pursued college studies. Another 9.9% earned an associate degree and 16.3% hold a bachelor’s. Meanwhile, 8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 6,074 6.6% 4.8%
High school diploma 30,081 32.8% 1.0%
College diploma 24,182 26.4% -0.8%
Associate degree 9,055 9.9% -0.7%
Bachelor's degree 14,952 16.3% -0.1%
Graduate degree 7,357 8% 3.6%
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 $130,873 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.5% change from the previous year. At the same time, the median income stood at $101,895, reflecting a -0.4% shift over the same period.

Average household income in Fairfield
$130,873/year
2.5% year-over-year change
Median household income in Fairfield
$101,895/year
-0.4% 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 $104,839. Those with someone between 45 and 64 in charge, often well established professionally, earn $119,181 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $70,192, while those led by someone over 65, many of whom may be retired, have about $79,360 in earnings. Overall, 89.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $70,192 6.9%
25 - 44 $104,839 4.3%
45 - 64 $119,181 -6.0%
Over 65 $79,360 -4.9%
Above poverty level
106,083
Below poverty level
11,938
Value Percent YoY
change
Above poverty level 106,083 89.9% 1.1%
Below poverty level 11,938 10.1% -2.5%

Average renter income in Fairfield

To get a better sense of what renters earn on average in Fairfield, their median household income was $70,750 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 38.4%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$70,750
Rent-to-income ratio
38.4%
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 Fairfield

Workforce and job types in Fairfield

The job market in Fairfield is powered by 54,432 working residents, spread across a range of industries and roles. 74.7% of the working population are employed in professional or administrative positions, while 25.3% are in hands-on or service-based jobs. Also, 9.7% run their own businesses, 64.5% are employed by private companies, and 17.4% work in the public sector.

Workforce demographics

Working population
54,432
-1.7% year-over-year change
White collar
40,678
Blue collar
13,754
Value Percent YoY change
White collar 40,678 74.7% -1.5%
Blue collar 13,754 25.3% -2.5%
Employer type
Self employees
9.7%
Private companies
64.5%
Governmental workers
17.4%
Not for profit companies
8.4%
Value Percent YoY change
Self employees 5,262 9.7% 3.3%
Private companies 35,124 64.5% -1.8%
Governmental workers 9,462 17.4% -2.8%
Not for profit companies 4,584 8.4% -4.9%
Unemployment rate
5.8%
8.0% year-over-year change

Available workforce

The unemployment rate in Fairfield stands at 5.8%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Fairfield

How people get around in Fairfield

In Fairfield, the average commute time is 31 minutes. Commuting methods vary: 83.7% of residents travel by personal vehicle and 1.6% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
31 min
-1.3% year-over-year change
Means of transportation
Value Percent YoY change
Car 45,871 83.7% -2.6%
Taxicab 151 0.3% 25.8%
Bus or trolleybus 360 0.7% -26.5%
Subway or elevated 91 0.2% N/A
Railroad 62 0.1% -56.9%
Ferryboat 130 0.2% -15.0%
Motorcycle 125 0.2% 15.7%
Bicycle 278 0.5% 5.3%
Walk 866 1.6% 4.6%
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
94533 78,805 25,174 $87,384 $108,702
94534 41,203 14,036 $140,198 $174,532

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FAQs about Fairfield demographics 

What is the total population of Fairfield?

Fairfield has a total population of 120,785 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 +0.7% compared to a year ago.

What is the gender ratio in Fairfield?

The gender ratio in Fairfield is as follows:
  • 49.9% males (60,268 residents)
  • 50.1% females (60,517 residents)

What is the median age in Fairfield?

The median age in Fairfield is 36.9.

What is the age distribution of the population in Fairfield?

The age distribution in Fairfield is as follows:
  • Under 15: 20% (24,091 residents)
  • Ages 15-24: 13.4% (16,170 residents)
  • Ages 25-44: 28.2% (34,080 residents)
  • Ages 45-64: 23.5% (28,393 residents)
  • Over 65: 14.9% (18,051 residents)

What is the racial and ethnic makeup of Fairfield?

The racial and ethnic makeup of Fairfield is as follows:
  • White: 32.2% (38,871 residents)
  • Black or African American: 14.5% (17,469 residents)
  • American Indian and Alaska Native: 0.7% (864 residents)
  • Asian: 18.1% (21,843 residents)
  • Native Hawaiian and Other Pacific Islander: 1.4% (1,726 residents)
  • Two or More Races: 17.7% (21,433 residents)
  • Other: 15.4% (18,579 residents)

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

U.S.-born citizens represent 73.8% of the population in Fairfield.

How many housing units are there in Fairfield?

There are 40,391 housing units in Fairfield, reflecting a +2.0% 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 38,757 households, with an average of 3 people in each.

What is the median household income in Fairfield?

Fairfield has a median household income of $101,895, representing a -0.4% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Fairfield?

The employment rate is 94.2% in Fairfield, with a workforce of 54,432 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 74.7% (40,678 residents)
  • Blue-collar workers: 25.3% (13,754 residents)

Places of employment:
  • Self-employed: 9.7% (5,262 residents)
  • Private companies: 64.5% (35,124 residents)
  • Governmental workers: 17.4% (9,462 residents)
  • Not-for-profit companies: 8.4% (4,584 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