Population

138,675

US Census estimate, July 2025

Median home value

$902,600

Owner-occupied units

Fullerton, CA

California · 33.886° N, 117.928° W · 22 sq mi

Fullerton is a city in California, with a population of 138,675 and about 6,185 residents per square mile. The median household earns $104,286 a year, and the median home is worth $902,600.

Conditions

Humidity & wind

—

UV index

—

Sunrise & sunset

—

Local time

—

Size & density

Land area

22 sq mi

Water excluded

Population density

6,185

People per square mile

Rank by population

#213

Of cities on this site

Rank by area

#599

Of cities on this site

Money & housing

Median household income

$104,286

US median ≈ $78,538

Median gross rent

$2,194

Per month

Homeownership

51.8%

US ≈ 65%

Average commute

30.5 min

One way

People

Median age

36.9

US median 39.1

Bachelor's degree +

43.5%

Age 25 and over

Foreign born

29.3%

Households

48,117

2.86 people each

Climate · 2021–2025 average

Clear days 63^/yr Mostly or fully clear sky

Days with rain 56^/yr 0.01 in or more

Days with snow 0^/yr

Days above 90° 38^/yr

Below freezing 0^/yr

Annual rainfall 23.4ⁱⁿ Inches per year, scaled to 70 in — the rows above count days

Warmest month

August

Average high 88°F

Coldest month

January

Average low 47°F

What people here do for work

Education & health care 23.9^%

Professional & business services 13.8^%

Manufacturing 11.6^%

Arts, food & hospitality 10.4^%

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.

Forgotten Flicks movie T-shirts on TeePublic

State of California

State bird

California Quail

State flower

California Poppy

State capital

Sacramento

Nickname

The Golden State

Compare Fullerton with

Cities near Fullerton

La Habra, CA3 mi · 60,908
Placentia, CA4 mi · 54,911
Buena Park, CA5 mi · 81,741
South Whittier, CA7 mi · 55,650
Garden Grove, CA8 mi · 170,455
Orange, CA8 mi · 138,365
Whittier, CA8 mi · 85,815
Hacienda Heights, CA8 mi · 54,291