San Marcos ZIP Codes — San Diego County, CA

There are 4 unique ZIP codes in San Marcos, California. Area code: 760.
4
ZIP codes
35.50
sq mi land
0.12
sq mi water
760
area code
San Marcos, CA ZIP code map

About San Marcos, CA

San Marcos, California, is a vibrant city located in the heart of San Diego County. Known for its pleasant climate and community-oriented environment, it offers a blend of suburban living and urban amenities. With a rich cultural scene and numerous recreational facilities, San Marcos continues to attract residents and visitors alike.

Location & geography

San Marcos is situated in the northeastern part of San Diego County, approximately 35 miles north of downtown San Diego. The city is bordered by neighboring communities, including Carlsbad to the west, Escondido to the east, and Vista to the south, making it a central point in the region. Covering a land area of 35.50 square miles and a water area of 0.12 square miles, the city features a mix of rolling hills and flatlands, along with various lakes and parks.

Community & economy

The character of San Marcos is defined by its diverse population and strong commitment to community engagement. Various industries, including education, healthcare, and retail, contribute to the local economy, providing ample employment opportunities for residents. Daily life in San Marcos is enriched by community events, cultural activities, and access to outdoor spaces, making it a desirable place to live.

Transportation

San Marcos is well-connected through major highways such as Interstate 78, which facilitates easy travel to neighboring cities and beyond. The nearest major airport is McClellan-Palomar Airport, located just a few miles away, providing convenient access for air travel. Public transportation options include bus services that connect residents to various parts of the city and surrounding areas.

History

Founded in the mid-1800s, San Marcos was originally a farming community before evolving into a suburban city. Over the years, its key industries have shifted towards education and high-tech businesses, bolstered by the presence of institutions like California State University San Marcos. The city has experienced significant growth and development, particularly in the last few decades, transforming it into the thriving community it is today.

Did you know?

One surprising fact about San Marcos is that it is home to the famous San Marcos Fault, which is part of the geological landscape of the area. Additionally, the city has a rich history of wine production, once being nicknamed the 'Wine Capital of San Diego County.'

ZIP codes for San Marcos, CA (4)
ZIP code City County Map
92069 San Marcos San Diego View map
92078 San Marcos San Diego View map
92079 San Marcos San Diego View map
92096 San Marcos San Diego View map

Demographics & statistics

99,667
Population
36.8
Median age
$97,720
Median household income
$43,149
Per capita income
$723,750
Median home value
$2,131
Median monthly rent
62.8%
Home ownership
9.7%
Poverty rate
4.4%
Unemployment
22,643
Housing units
41.0%
Bachelor's or higher

Age distribution

Male Female
3,349
Under 5
3,345
3,661
5–9
3,657
3,568
10–14
3,564
3,870
15–19
3,867
2,991
20–24
2,989
6,107
25–34
6,100
7,747
35–44
7,739
5,930
45–54
5,925
2,887
55–59
2,885
2,527
60–64
2,525
3,996
65–74
3,992
2,113
75–84
2,111
1,112
85+
1,110
← Male
Female →

Age summary

GroupCount%
Under 1825,03925.1%
18 and over74,62874.9%
65 and over14,43414.4%
Median age36.8 years

Race & ethnicity

White 51%
Hispanic or Latino 17.2%
Two or more races 12.5%
Asian 8.7%
Other race 8.6%
Black or African American 1.4%
American Indian / Alaska Native 0.6%
GroupCount%
White61,33351%
Hispanic or Latino20,63517.2%
Two or more races15,08312.5%
Asian10,4148.7%
Other race10,3978.6%
Black or African American1,6821.4%
American Indian / Alaska Native7010.6%

Household income

Under $10k 5.1%
$10k–$15k 2.0%
$15k–$25k 5.2%
$25k–$35k 5.5%
$35k–$50k 9.4%
$50k–$75k 12.2%
$75k–$100k 11.9%
$100k–$150k 17.8%
$150k–$200k 11.9%
$200k+ 19.3%
Range% of households
Under $10k5.1%
$10k–$15k2.0%
$15k–$25k5.2%
$25k–$35k5.5%
$35k–$50k9.4%
$50k–$75k12.2%
$75k–$100k11.9%
$100k–$150k17.8%
$150k–$200k11.9%
$200k+19.3%
Median income$97,720

Housing

Home values

Under $50k 1.2%
$50k–$100k 1.3%
$100k–$150k 1.7%
$150k–$200k 2.2%
$200k–$300k 5.0%
$300k–$500k 11.6%
$500k–$1M 58.6%
$1M+ 18.7%

Housing overview

MetricValue
Median home value$723,750
Median rent / month$2,131
Owner occupied62.8%
Renter occupied37.2%
Vacant4.9%
Single-family detached51.2%
Large apartment buildings16.9%
Mobile homes9.9%
Median rooms5.4
Avg household size (owned)3.03

Year built

Era%
2020 or later1.2%
2010–201910.6%
2000–200923.6%
1990–199917.1%
1980–198916.5%
1970–197921.4%
1960–19696.5%
1950–19592.5%
1940–19490.4%
1939 or earlier0.6%

Bedrooms

Size% of units
No bedroom (studio)1.7%
1 bedroom7.6%
2 bedrooms31.5%
3 bedrooms31.8%
4 bedrooms21.1%
5+ bedrooms6.4%

Vehicles per household

Vehicles% of households
No vehicle4.8%
1 vehicle25.4%
2 vehicles43.6%
3 or more26.3%

Heating fuel

Fuel type%
Utility gas67.3%
Electricity26.4%
Propane / LP gas1.7%
Fuel oil0.3%
Wood0.4%
Solar1.8%
No fuel used2.0%

Households & families

Household typeCount%
Married-couple family18,34255.5%
Cohabiting couple1,8925.9%
Male householder, no spouse4,84014.7%
Female householder, no spouse7,90124.0%
Households with children under 1812,65738.4%
Households with seniors (65+)10,32531.1%
Average household size2.99

Marital status

StatusMaleFemale
Never married36.6%29.0%
Married53.5%49.9%
Separated1.0%2.2%
Widowed2.4%8.5%
Divorced6.7%10.5%

Education

Less than 9th grade 7.0%
Some HS, no diploma 5.1%
HS graduate 17.5%
Some college, no degree 20.5%
Associate's degree 9.1%
Bachelor's degree 27.1%
Graduate / professional 13.9%
Metric%
HS diploma or higher88.0%
Bachelor's or higher41.0%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool2,0777.1%
Kindergarten1,2384.1%
Elementary school11,17137.7%
High school5,12117.4%
College / grad school9,94033.8%

Employment

Industry of employment

Education & healthcare 21.5%
Professional & management 14.7%
Manufacturing 11.9%
Retail trade 10.8%
Arts, food & hospitality 9.1%
Construction 7.7%
Finance & real estate 5.5%
Other services 5.0%
Transportation & utilities 4.4%
Information 3.0%
Public administration 3.0%
Wholesale trade 2.8%
Agriculture & mining 1.0%

Occupation

Category%
Management, business & arts43.6%
Service18.1%
Sales & office20.4%
Natural resources & construction8.0%
Production & transportation10.0%

Employment type

Type%
Private sector81.1%
Government11.0%
Self-employed8.0%
Unpaid family workers0.1%

Commute

Method%
Drive alone73.3%
Carpool7.0%
Public transit0.6%
Walk1.4%
Other means1.4%
Avg commute (minutes)26.6

Poverty

All people 9.7%
Under 18 years 7.7%
18 and over 10.4%
Married-couple families 4.1%
Female-led households 14.8%

Income support

Source% of households
Social Security27.4%
Retirement income22.0%
Supplemental Security4.5%
Cash public assistance2.8%
Food stamps / SNAP6.6%

Health indicators

Condition%
High blood pressure26.7%
High cholesterol28.2%
Heart disease5.0%
Stroke2.5%
Asthma9.2%
Arthritis19.4%
Kidney disease2.5%
Pulmonary disease5.3%
Cancer5.7%
Behavior / access%
Binge drinking19.1%
No physical activity20.4%
Less than 7 hrs sleep33.2%
Fair or poor health13.7%
Poor mental health14.5%
Poor physical health9.4%
No health insurance12.9%
Visited doctor (checkup)68.6%
Visited dentist66.5%
Cholesterol screening90.0%
Teeth loss10.4%

Veterans & disability

VeteransCount%
Civilian veterans5,1476.9%
Disability%
Any disability10.3%
Under 183.0%
18–64 years7.4%
65 and over35.4%

Health insurance coverage

Type%
Private insurance70.3%
Public insurance32.9%
Uninsured under 192.7%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only92,97393.3%
Spanish11,26712.4%
Other Indo-European8,0798.9%
Asian & Pacific Islander6270.7%
Other languages2,2972.5%

Place of birth & citizenship

OriginCount%
Native born (US)77,10877.1%
Born in same state75,73275.8%
Born in different state54,39454.6%
Foreign born1,3761.4%
Naturalized citizen22,55922.9%
Not a US citizen12,44255.4%

Ancestry

AncestryCount%
Italian8,5868.6%
French8,1738.2%
Arab2,3822.4%
Polish1,6541.7%
English9230.9%
AncestryCount%
Dutch5730.6%
German5480.5%
Irish4110.4%
Norwegian1520.2%

Technology access

Metric% of households
Computer access33.0%
Internet access97.7%

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

Frequently asked questions
What ZIP codes does San Marcos, CA have?
San Marcos, CA has 3 ZIP codes: 92069, 92078, and 92096. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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