Population

122,489

US Census estimate, July 2025

Median home value

$624,300

Owner-occupied units

Fairfield, CA

California · 38.262° N, 122.032° W · 42 sq mi

Fairfield is a city in California, with a population of 122,489 and about 2,945 residents per square mile. The median household earns $101,895 a year, and the median home is worth $624,300.

Conditions

Humidity & wind

—

UV index

—

Sunrise & sunset

—

Local time

—

Forgotten Flicks movie T-shirts on TeePublic

Size & density

Land area

42 sq mi

Water excluded

Population density

2,945

People per square mile

Rank by population

#253

Of cities on this site

Rank by area

#313

Of cities on this site

Money & housing

Median household income

$101,895

US median ≈ $78,538

Median gross rent

$2,266

Per month

Homeownership

61.3%

US ≈ 65%

Average commute

30.7 min

One way

People

Median age

36.9

US median 39.1

Bachelor's degree +

26.6%

Age 25 and over

Foreign born

23.3%

Households

38,757

3.07 people each

Climate · 2021–2025 average

Clear days 69^/yr Mostly or fully clear sky

Days with rain 69^/yr 0.01 in or more

Days with snow 1^/yr

Days above 90° 45^/yr

Below freezing 2^/yr

Annual rainfall 25.7ⁱⁿ Inches per year, scaled to 70 in — the rows above count days

Warmest month

August

Average high 89°F

Coldest month

January

Average low 41°F

What people here do for work

Education & health care 20.8^%

Retail trade 12.6^%

Professional & business services 12.6^%

Manufacturing 9.2^%

Top four industries · share of all workers · ACS 2024

Wealthiest person in California

Name

Mark Zuckerberg

Forbes, Apr 2025

Net worth

$189B

As of 25 Apr 2025 — not live

Lives in

Palo Alto

Source of wealth

Largest employer in California · private sector

Employer

University of California

Sector

Education

Compiled from public reporting, not from an official dataset, and not independently verified. Government employers are excluded.

Largest public company in California

Company

Apple

Revenue

$391.0B

Fiscal year 2024

Headquarters

Cupertino

Ticker

AAPL

Compiled from public reporting, not from an official dataset, and not independently verified.

State of California

State bird

California Quail

State flower

California Poppy

State capital

Sacramento

Nickname

The Golden State

Compare Fairfield with

Cities near Fairfield

Vacaville, CA8 mi · 103,850
Napa, CA15 mi · 76,562
Vallejo, CA16 mi · 123,287
Pittsburg, CA18 mi · 77,542
Concord, CA20 mi · 123,261
Antioch, CA23 mi · 118,958
Walnut Creek, CA25 mi · 70,012
Davis, CA26 mi · 66,110