Alpine ZIP Codes — San Diego County, CA

There are 2 unique ZIP codes in Alpine, California. Area code: 619.

ZIP codes

77.87

sq mi land

0.69

sq mi water

619

area code

Alpine, CA ZIP code map

About Alpine, CA

Alpine, California, is a charming community nestled in the foothills of the Cuyamaca Mountains. Situated in San Diego County, it offers a serene atmosphere away from the hustle and bustle of city life. Known for its picturesque landscapes, Alpine draws residents and visitors alike with its natural beauty and small-town feel.

Location & geography

Alpine is located approximately 30 miles east of downtown San Diego and is surrounded by numerous suburban structures and natural terrain. Nearby cities include El Cajon to the west at about 12 miles, Lakeside also to the west at about 11 miles, and Ramona to the north at approximately 14 miles. The total land area of Alpine is 77.87 square miles, with a water area of 0.69 square miles, featuring a mix of rugged hills, valleys, and open spaces.

Community & economy

The character of Alpine is defined by its friendly atmosphere and strong sense of community among its residents. A mix of outdoor recreation opportunities, including hiking and biking, reflects the town's connection to nature, while local industries are typically centered around retail and service sectors. Daily life in Alpine often involves enjoying outdoor activities, supporting local businesses, and participating in community events.

Transportation

Alpine is accessible via Interstate 8, which connects it to San Diego to the west and extends eastward toward the Imperial Valley. The nearest major airport is San Diego International Airport, located about 35 miles away, providing residents convenient access to domestic and international flights. Public transit options are limited, but local services may connect Alpine with nearby cities.

History

Alpine was founded in the late 19th century and has since grown as a residential hub in the San Diego area. Key industries have traditionally included agriculture and tourism, with many residents drawn to its warm climate and beautiful outdoor settings. Notable events in Alpine's history include the establishment of the Alpine Woman’s Club, which plays a vital role in community service and local philanthropy.

Did you know?

One surprising fact about Alpine is that it is often referred to as the 'Gateway to the Cuyamaca Mountains,' attracting outdoor enthusiasts from all over. The community is also home to the well-known Alpine Music Festival, which showcases local talent and fosters a love for music within the area.

ZIP codes for Alpine, CA (2)

ZIP code	City	County	Map
91901	Alpine	San Diego	View map
91903	Alpine	San Diego	View map

Demographics & statistics

18,669

Population

42.0

Median age

$110,013

Median household income

$48,764

Per capita income

$740,000

Median home value

$1,963

Median monthly rent

72.6%

Home ownership

8.8%

Poverty rate

6.3%

Unemployment

4,907

Housing units

29.7%

Bachelor's or higher

Age distribution

Male Female

463

Under 5

486

541

5–9

569

601

10–14

631

576

15–19

606

573

20–24

603

1,093

25–34

1,149

1,048

35–44

1,101

1,408

45–54

1,481

578

55–59

607

699

60–64

735

894

65–74

941

526

75–84

553

101

85+

106

← Male

Female →

Age summary

Group	Count	%
Under 18	3,982	21.3%
18 and over	14,687	78.7%
65 and over	3,121	16.7%
Median age	42.0 years

Race & ethnicity

White 71.3%

Hispanic or Latino 10.6%

Two or more races 9.1%

Other race 4.3%

Asian 2.1%

Black or African American 1.4%

American Indian / Alaska Native 0.8%

Native Hawaiian / Pacific Islander 0.4%

Group	Count	%
White	14,889	71.3%
Hispanic or Latino	2,214	10.6%
Two or more races	1,897	9.1%
Other race	906	4.3%
Asian	438	2.1%
Black or African American	296	1.4%
American Indian / Alaska Native	163	0.8%
Native Hawaiian / Pacific Islander	80	0.4%

Household income

Under $10k 3.6%

$10k–$15k 1.7%

$15k–$25k 2.5%

$25k–$35k 6.5%

$35k–$50k 4.1%

$50k–$75k 12.3%

$75k–$100k 13.2%

$100k–$150k 24.7%

$150k–$200k 12.3%

$200k+ 19.1%

Range	% of households
Under $10k	3.6%
$10k–$15k	1.7%
$15k–$25k	2.5%
$25k–$35k	6.5%
$35k–$50k	4.1%
$50k–$75k	12.3%
$75k–$100k	13.2%
$100k–$150k	24.7%
$150k–$200k	12.3%
$200k+	19.1%
Median income	$110,013

Housing

Home values

Under $50k 1.9%

$50k–$100k 2.7%

$100k–$150k 2.5%

$150k–$200k 0.3%

$200k–$300k 3.0%

$300k–$500k 9.9%

$500k–$1M 65.6%

$1M+ 14.1%

Housing overview

Metric	Value
Median home value	$740,000
Median rent / month	$1,963
Owner occupied	72.6%
Renter occupied	27.4%
Vacant	3.6%
Single-family detached	74.5%
Large apartment buildings	6.2%
Mobile homes	4.5%
Median rooms	5.7
Avg household size (owned)	2.94

Year built

Era	%
2020 or later	0.0%
2010–2019	4.2%
2000–2009	11.1%
1990–1999	27.3%
1980–1989	20.2%
1970–1979	20.2%
1960–1969	5.4%
1950–1959	5.6%
1940–1949	2.9%
1939 or earlier	3.2%

Bedrooms

Size	% of units
No bedroom (studio)	2.5%
1 bedroom	5.2%
2 bedrooms	23.9%
3 bedrooms	40.6%
4 bedrooms	21.9%
5+ bedrooms	5.9%

Vehicles per household

Vehicles	% of households
No vehicle	3.5%
1 vehicle	18.3%
2 vehicles	39.3%
3 or more	38.9%

Heating fuel

Fuel type	%
Utility gas	32.4%
Electricity	29.4%
Propane / LP gas	26.6%
Wood	4.8%
Solar	3.2%
No fuel used	1.3%

Households & families

Household type	Count	%
Married-couple family	3,870	60.2%
Cohabiting couple	459	7.1%
Male householder, no spouse	858	13.4%
Female householder, no spouse	1,238	19.3%
Households with children under 18	2,131	33.2%
Households with seniors (65+)	2,010	31.3%
Average household size	2.87

Marital status

Status	Male	Female
Never married	31.6%	25.5%
Married	56.6%	54.7%
Separated	1.3%	0.6%
Widowed	4.1%	7.3%
Divorced	6.4%	11.8%

Education

Less than 9th grade 1.3%

Some HS, no diploma 3.1%

HS graduate 23.5%

Some college, no degree 33.5%

Associate's degree 8.9%

Bachelor's degree 19.4%

Graduate / professional 10.3%

Metric	%
HS diploma or higher	95.6%
Bachelor's or higher	29.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	139	3.4%
Kindergarten	225	5.5%
Elementary school	1,826	44.5%
High school	943	23.0%
College / grad school	969	23.6%

Employment

Industry of employment

Education & healthcare 16.2%

Retail trade 14.9%

Professional & management 13.0%

Construction 10.6%

Manufacturing 9.3%

Arts, food & hospitality 9.0%

Public administration 7.7%

Other services 6.0%

Finance & real estate 5.7%

Transportation & utilities 5.2%

Wholesale trade 1.1%

Information 0.6%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	37.8%
Service	19.4%
Sales & office	21.3%
Natural resources & construction	8.5%
Production & transportation	13.1%

Employment type

Type	%
Private sector	74.8%
Government	14.7%
Self-employed	10.1%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	84.9%
Carpool	4.1%
Public transit	0.6%
Walk	1.8%
Other means	0.2%
Avg commute (minutes)	29.2

Poverty

All people 8.8%

Under 18 years 10.9%

18 and over 8.2%

Married-couple families 3.9%

Female-led households 7.0%

Income support

Source	% of households
Social Security	32.8%
Retirement income	29.1%
Supplemental Security	3.2%
Cash public assistance	1.2%
Food stamps / SNAP	5.3%

Health indicators

Condition	%
High blood pressure	29.5%
High cholesterol	31.7%
Heart disease	5.5%
Stroke	2.6%
Asthma	9.5%
Arthritis	22.6%
Kidney disease	2.6%
Pulmonary disease	5.9%
Cancer	6.7%

Behavior / access	%
Binge drinking	19.8%
No physical activity	17.4%
Less than 7 hrs sleep	32.6%
Fair or poor health	12.2%
Poor mental health	14.2%
Poor physical health	9.6%
No health insurance	8.3%
Visited doctor (checkup)	70.5%
Visited dentist	71.2%
Cholesterol screening	92.3%
Teeth loss	8.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,228	8.4%

Disability	%
Any disability	9.8%
Under 18	1.7%
18–64 years	7.9%
65 and over	27.2%

Health insurance coverage

Type	%
Private insurance	74.8%
Public insurance	33.5%
Uninsured under 19	2.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	17,720	94.9%
Spanish	844	4.8%
Other Indo-European	585	3.3%
Asian & Pacific Islander	32	0.2%
Other languages	227	1.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	17,168	92.0%
Born in same state	17,023	91.2%
Born in different state	13,030	69.8%
Foreign born	145	0.8%
Naturalized citizen	1,501	8.0%
Not a US citizen	1,049	69.9%

Ancestry

Ancestry	Count	%
French	2,362	12.7%
Italian	2,241	12%
Arab	770	4.1%
English	302	1.6%

Ancestry	Count	%
Polish	244	1.3%
German	116	0.6%
Irish	114	0.6%
Dutch	43	0.2%

Technology access

Metric	% of households
Computer access	34.4%
Internet access	98.8%

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

Frequently asked questions

What ZIP codes does Alpine, CA have?

Alpine, CA has one ZIP code: 91901. Each ZIP code serves a distinct delivery area within the city and surrounding region.