San Dimas ZIP Code List — Los Angeles County, CA

There is one unique ZIP code in San Dimas, California and it is 91773. Area code: 909.

ZIP codes

14.98

sq mi land

0.39

sq mi water

909

area code

San Dimas, CA ZIP code map

About San Dimas, CA

San Dimas, California, is a charming city located in the western San Gabriel Valley region of Los Angeles County. Known for its rich history and vibrant community, it features a blend of residential neighborhoods and commercial areas. With its proximity to major highways and attractions, San Dimas serves as a convenient and appealing place for both residents and visitors alike.

Location & geography

Situated just east of the bustling city of Pomona, San Dimas is surrounded by several neighboring cities, including La Verne to the east and Covina to the south. The city covers a land area of 14.98 square miles, with an additional 0.39 square miles of water, contributing to its diverse landscape. The terrain is characterized by gently rolling hills, providing scenic views and opportunities for outdoor activities.

Community & economy

The character of San Dimas showcases a friendly, small-town atmosphere where residents take pride in their community. The city is home to various industries, including retail and manufacturing, which provide a range of employment opportunities. Daily life in San Dimas is enriched by its local parks, schools, and community events that foster a strong sense of belonging among residents.

Transportation

San Dimas is conveniently accessible via several major highways, including the 57 Freeway and the 210 Freeway, making travel to nearby areas straightforward. For air travel, the nearest airport is Ontario International Airport, located approximately 15 miles to the east. Public transit options include bus services that connect San Dimas with surrounding cities and regions.

History

San Dimas was founded in the late 19th century and has roots tied to agriculture and farming. Key industries in the early days included citrus growing and dairy farming, which laid the foundation for the city’s development. Over the years, San Dimas has experienced growth and change, with notable events such as the establishment of the San Dimas Rodeo, which celebrates the city’s Western heritage.

Did you know?

One surprising fact about San Dimas is that it is home to the popular Raging Waters theme park, which offers a range of water attractions and draws visitors from all over Southern California. Additionally, the city has been a filming location for various television shows and movies, adding to its cultural significance.

ZIP codes for San Dimas, CA (1)

ZIP code	City	County	Map
91773	San Dimas	Los Angeles	View map

Demographics & statistics

34,066

Population

42.7

Median age

$101,466

Median household income

$46,643

Per capita income

$714,400

Median home value

$2,202

Median monthly rent

70.6%

Home ownership

9.4%

Poverty rate

5.3%

Unemployment

8,819

Housing units

38.1%

Bachelor's or higher

Age distribution

Male Female

836

Under 5

909

891

5–9

968

1,003

10–14

1,091

918

15–19

997

826

20–24

897

2,115

25–34

2,298

1,916

35–44

2,083

2,350

45–54

2,554

1,285

55–59

1,397

1,235

60–64

1,342

1,714

65–74

1,864

955

75–84

1,038

280

85+

305

← Male

Female →

Age summary

Group	Count	%
Under 18	6,833	20.1%
18 and over	27,233	79.9%
65 and over	6,155	18.1%
Median age	42.7 years

Race & ethnicity

White 44%

Hispanic or Latino 17.8%

Two or more races 14.8%

Asian 13.1%

Other race 6.7%

Black or African American 2.7%

American Indian / Alaska Native 0.7%

Native Hawaiian / Pacific Islander 0.2%

Group	Count	%
White	18,242	44%
Hispanic or Latino	7,373	17.8%
Two or more races	6,140	14.8%
Asian	5,433	13.1%
Other race	2,767	6.7%
Black or African American	1,100	2.7%
American Indian / Alaska Native	308	0.7%
Native Hawaiian / Pacific Islander	76	0.2%

Household income

Under $10k 3.9%

$10k–$15k 1.7%

$15k–$25k 5.6%

$25k–$35k 5.7%

$35k–$50k 9.4%

$50k–$75k 11.1%

$75k–$100k 12.4%

$100k–$150k 18.5%

$150k–$200k 12.0%

$200k+ 19.7%

Range	% of households
Under $10k	3.9%
$10k–$15k	1.7%
$15k–$25k	5.6%
$25k–$35k	5.7%
$35k–$50k	9.4%
$50k–$75k	11.1%
$75k–$100k	12.4%
$100k–$150k	18.5%
$150k–$200k	12.0%
$200k+	19.7%
Median income	$101,466

Housing

Home values

Under $50k 3.7%

$50k–$100k 3.3%

$100k–$150k 1.6%

$150k–$200k 1.5%

$200k–$300k 2.3%

$300k–$500k 7.4%

$500k–$1M 67.3%

$1M+ 12.9%

Housing overview

Metric	Value
Median home value	$714,400
Median rent / month	$2,202
Owner occupied	70.6%
Renter occupied	29.4%
Vacant	3.3%
Single-family detached	60.6%
Large apartment buildings	7.2%
Mobile homes	9.2%
Median rooms	5.8
Avg household size (owned)	2.83

Year built

Era	%
2020 or later	0.2%
2010–2019	3.5%
2000–2009	4.2%
1990–1999	6.9%
1980–1989	20.7%
1970–1979	31.7%
1960–1969	15.8%
1950–1959	9.9%
1940–1949	1.8%
1939 or earlier	5.3%

Bedrooms

Size	% of units
No bedroom (studio)	4.0%
1 bedroom	5.7%
2 bedrooms	25.0%
3 bedrooms	34.8%
4 bedrooms	24.7%
5+ bedrooms	5.8%

Vehicles per household

Vehicles	% of households
No vehicle	3.4%
1 vehicle	26.6%
2 vehicles	38.6%
3 or more	31.5%

Heating fuel

Fuel type	%
Utility gas	78.9%
Electricity	18.9%
Propane / LP gas	1.3%
Fuel oil	0.1%
Solar	0.2%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	6,551	55.0%
Cohabiting couple	770	6.5%
Male householder, no spouse	1,563	13.1%
Female householder, no spouse	3,026	25.4%
Households with children under 18	3,761	31.6%
Households with seniors (65+)	4,452	37.4%
Average household size	2.80

Marital status

Status	Male	Female
Never married	31.6%	26.5%
Married	54.7%	49.6%
Separated	2.2%	1.0%
Widowed	2.0%	11.3%
Divorced	9.4%	11.6%

Education

Less than 9th grade 2.6%

Some HS, no diploma 3.8%

HS graduate 20.2%

Some college, no degree 25.0%

Associate's degree 10.5%

Bachelor's degree 22.9%

Graduate / professional 15.2%

Metric	%
HS diploma or higher	93.7%
Bachelor's or higher	38.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	660	8.0%
Kindergarten	293	3.6%
Elementary school	3,030	36.9%
High school	1,628	19.8%
College / grad school	2,599	31.7%

Employment

Industry of employment

Education & healthcare 25.9%

Professional & management 11.3%

Manufacturing 10.3%

Retail trade 9.5%

Construction 7.2%

Finance & real estate 6.8%

Other services 5.4%

Public administration 5.4%

Wholesale trade 5.3%

Arts, food & hospitality 5.3%

Transportation & utilities 4.3%

Information 2.8%

Agriculture & mining 0.6%

Occupation

Category	%
Management, business & arts	46.1%
Service	12.9%
Sales & office	23.6%
Natural resources & construction	8.3%
Production & transportation	9.2%

Employment type

Type	%
Private sector	76.0%
Government	17.4%
Self-employed	6.3%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	73.1%
Carpool	10.2%
Public transit	1.0%
Walk	0.9%
Other means	0.7%
Avg commute (minutes)	31.8

Poverty

All people 9.4%

Under 18 years 11.0%

18 and over 8.9%

Married-couple families 3.1%

Female-led households 14.6%

Income support

Source	% of households
Social Security	33.8%
Retirement income	25.8%
Supplemental Security	3.1%
Cash public assistance	2.4%
Food stamps / SNAP	4.1%

Health indicators

Condition	%
High blood pressure	27.3%
High cholesterol	30.3%
Heart disease	5.4%
Stroke	2.6%
Asthma	8.8%
Arthritis	19.4%
Kidney disease	2.7%
Pulmonary disease	5.3%
Cancer	6.4%

Behavior / access	%
Binge drinking	17.5%
No physical activity	16.9%
Less than 7 hrs sleep	30.6%
Fair or poor health	12.1%
Poor mental health	14.0%
Poor physical health	9.0%
No health insurance	10.6%
Visited doctor (checkup)	65.8%
Visited dentist	68.5%
Cholesterol screening	93.0%
Teeth loss	7.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,543	5.7%

Disability	%
Any disability	14.6%
Under 18	2.5%
18–64 years	12.4%
65 and over	35.8%

Health insurance coverage

Type	%
Private insurance	71.1%
Public insurance	32.7%
Uninsured under 19	2.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	32,321	94.9%
Spanish	3,011	9.3%
Other Indo-European	1,027	3.2%
Asian & Pacific Islander	142	0.4%
Other languages	1,698	5.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	27,224	79.9%
Born in same state	26,843	78.8%
Born in different state	22,532	66.1%
Foreign born	381	1.1%
Naturalized citizen	6,842	20.1%
Not a US citizen	4,959	72.5%

Ancestry

Ancestry	Count	%
French	2,398	7%
Italian	2,393	7%
Arab	682	2%
Polish	350	1%
English	192	0.6%

Ancestry	Count	%
Dutch	144	0.4%
German	117	0.3%
Norwegian	41	0.1%
Irish	29	0.1%

Technology access

Metric	% of households
Computer access	35.0%
Internet access	94.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for San Dimas, CA?

San Dimas, CA has one ZIP code: 91773.

What is the main ZIP code for San Dimas, CA?

The primary ZIP code for San Dimas, CA is 91773. The city uses area code 909 for phone service.

What county is San Dimas, CA in?

San Dimas is located in Los Angeles County, California.

How many ZIP codes are in San Dimas, CA?

San Dimas, CA has 1 ZIP code.

What ZIP code covers the San Dimas downtown area and the historic San Dimas Park?

San Dimas downtown and San Dimas Park are located in ZIP code 91773, which serves the central portion of the city.

What is the ZIP code for San Dimas High School and the surrounding residential neighborhoods?

San Dimas High School and its surrounding neighborhoods are located in ZIP code 91773, which covers the entire city of San Dimas.