ZIP Code Tabulation Area

92078

San Marcos, CA · ACS 2020–2024

Download data

Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
53,605
Median household income
$120,268
People below poverty
7%
Median home value
$942,300

Income

The median income of households in 92078 was $120,268. An estimated 4.5% of households had income below $10,000 a year and 29.2% had income of $200,000 or more.

Household Income in 92078 in 2020-2024

View Data Table ↓

Percent
Less than $10,000 4.5
$10,000 to $14,999 1.3
$15,000 to $24,999 4.5
$25,000 to $34,999 3.8
$35,000 to $49,999 6.7
$50,000 to $74,999 11.3
$75,000 to $99,999 8.8
$100,000 to $149,999 19.3
$150,000 to $199,999 10.6
$200,000 or more 29.2

Median Earnings for Full-Time Year-Round Workers by Sex in 92078 in 2020-2024

View Data Table ↓

Dollars
Male 104278
Female 81145

An estimated 78.4% of households received earnings. An estimated 29.7% of households received Social Security and an estimated 23.6 % of households received retirement income other than Social Security. The average income from Social Security was $24,395. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in 92078 in 2020-2024

View Data Table ↓

Percent
Earnings 78.4
Social Security 29.7
Retirement income 23.6
Supplemental Security Income (SSI) 3.6
Cash public assistance income 2

Poverty and Participation in Government Programs

In 2020-2024, 7 % of people were in poverty. An estimated 3.5% of children under 18 were below the poverty level, compared with 13.4% of people 65 years old and over. An estimated 6.7% of people 18 to 64 years were below the poverty level.

Poverty Rates in 92078 in 2020-2024

View Data Table ↓

Percent
People in poverty 7
Children under 18 years below poverty 3.5
People 65 years old and over below poverty 13.4
People 18 to 64 years below poverty 6.7

In 2020-2024, 6.1 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 39.4% of households that received SNAP had children under 18, and 45.5% of households that received SNAP had one or more people 60 years and over. An estimated 30.4% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in 92078 in 2020-2024, 94.9% had health insurance coverage and 5.1% did not have health insurance coverage. Private coverage was 78.2% and public coverage was 28%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 1.4%.


In 2020-2024, 92078 had a total population of 53,605 - 27,473 (51.3%) females and 26,132 (48.7%) males. The median age was 38.8 years. An estimated 24.7% of the population was under 18 years, 29.9% was 19 to 44 years, 24% was 45 to 64 years, and 17 % was 65 years and older.

Population by Age and Sex for 92078 in 2020-2024

Male Female
Under 5 1916 1149
5 to 9 2116 1553
10 to 14 2137 2151
15 to 19 1924 2628
20 to 24 1214 1151
25 to 29 1118 995
30 to 34 1751 2041
35 to 39 1787 1950
40 to 44 2101 1925
45 to 49 1749 1937
50 to 54 1305 1658
55 to 59 1571 1647
60 to 64 1546 1455
65 to 69 1213 1507
70 to 74 1134 1250
75 to 79 777 1061
80 to 84 260 650
85 and over 513 765

Hispanic Origin and Race

For people reporting one race alone, 57.7% were White; 1% were Black or African American; 5.4% were American Indian and Alaska Native; 12.1% were Asian; 0.3% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 19.4% reported Two or More Races. An estimated 27.7% of the people in 92078 were Hispanic or Latino. An estimated 51.8% of the people in 92078 were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 18,522 households in 92078. The average household size was 2.79 people.

Married-couple households made up 59.9% of the households in 92078 while cohabiting couple households made up 3.7% of households. Female householders with no spouse or partner present were 24.3% of all households, while 12.1% of households had male householders with no spouse or partner present. Some households had one person, as 8.9% of households were male householders living alone, and 12.8% were female householders living alone, for a total of 21.7% of all households.

In 92078, 38.6% of all households had one or more people under the age of 18; 32.7% of all households had one or more people 65 years and over.

Types of Households in 92078 in 2020-2024

View Data Table ↓

Percent
Married-couple households 59.9
Cohabiting Couples 3.7
Male Householder
No spouse/partner present
12.1
Female Householder
No spouse/partner present
24.3

Marital Status

Among persons 15 and older, 60.9% of males and 53.1% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 30.1 26.5
Now married, except separated 60.9 53.1
Separated 0.7 1.3
Widowed 2.3 7.2
Divorced 6.1 12

Grandparents and Grandchildren

In 92078, 1,158 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 18.7% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 81.5% of the people living in 92078 were U.S. natives. 55.4% of the 92078 population were living in the state where they were born.

Approximately 18.5% of 92078 residents in 2020-2024 were foreign-born. 65% of foreign-born were naturalized U.S. citizens and an estimated 82.6 % entered the country before the year 2010.

Foreign-born residents of 92078 come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for 92078.

Region of Birth for the Foreign-Born Population in 92078 in 2020-2024

View Data Table ↓

Percent
Latin America 41
Asia 40.4
Europe 14.4
Africa 0.7
Northern America 3.1
Oceania 0.5

Language

Among people at least five years old living in 92078 in 2020-2024, 26.3 % spoke a language other than English at home. Spanish was spoken by 16.2% of people at least five years old; 7.8% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in 92078 in 2020-2024

View Data Table ↓

Percent
Spanish 16.2
Other Indo-European languages 4.8
Asian and Pacific Islander languages 5
Other languages 0.3

Geographic Mobility

In 2020-2024, 88.2 % of the people at least one year old living in 92078 were living in the same house one year earlier.

Geographic Mobility of Residents of 92078 in 2020-2024

View Data Table ↓

Percent
Same house 88.2
Different house, same county 9.3
Different county, same state 1.3
Different state 0.9
Abroad 0.3

Education

In 2020-2024, 92.6 % of people 25 years and over had at least graduated from high school and 49.2% had a bachelor's degree or higher. An estimated 7.5% did not complete high school.

The total school enrollment in 92078 was 15,404 in 2020-2024. Nursery school enrollment was 817 and kindergarten through 12th grade enrollment was 10,009. College or graduate school enrollment was 4,578.

Educational Attainment of People in 92078 in 2020-2024

View Data Table ↓

Percent
Less than high school diploma 7.5
High school diploma or equivalency 12.4
Some college, no degree 21.9
Associate's degree 9
Bachelor's degree 30.5
Graduate or professional degree 18.7

Disability

In 92078, among the civilian noninstitutionalized population in 2020-2024, 10.7 % reported a disability. The likelihood of having a disability varied by age - from 3.1% of people under 18 years old, to 6.6% of people 18 to 64 years old, and to 36.4% of those 65 and over.


Employment Status and Type of Employer

In 92078, 59 % of the population 16 and over were employed; 37.9% were not currently in the labor force.

An estimated 82.6% of the people employed were private wage and salary workers; 11% were federal, state, or local government workers; and 6.1 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 20,392 82.6
Federal, state, or local government workers 2,703 11
Self-employed workers in own not incorporated business 1,499 6.1

Industries

In 2020-2024, the civilian employed population 16 years and older in 92078 worked in the following industries:

Percent by Industry in 92078 in 2020-2024

View Data Table ↓

Percent
Agriculture, forestry, fishing and hunting, and mining 0.8
Construction 6
Manufacturing 12.6
Wholesale trade 1.9
Retail trade 9.8
Transportation and warehousing, and utilities 4.9
Information 3.2
Finance and insurance, and real estate and rental and leasing 7.5
Professional, scientific, and management, and administrative and waste management services 17.4
Educational services, and health care and social assistance 21.8
Arts, entertainment, and recreation, and accommodation, and food services 7.9
Other Services, except public administration 3.3
Public administration 3

Occupations

Occupations for the Civilian Employed Population 16 Years and over in 92078 in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 13,417 54.4
Service occupations 3,516 14.2
Sales and office occupations 4,588 18.6
Natural resources, construction, and maintenance occupations 1,391 5.6
Production, transportation, and material moving occupations 1,770 7.2

Commuting to Work

An estimated 63.9% of 92078 workers drove to work alone in 2020-2024, and 6.4% carpooled. Among those who commuted to work, it took them on average 26.5 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in 92078 in 2020-2024

View Data Table ↓

Percent
Car, truck, van -- drove alone 63.9
Car, truck, van -- carpooled 6.4
Public transportation (excluding taxicab) 0.3
Walked 1.6
Other means 2.1
Worked from home 25.6

In 2020-2024, 92078 had a total of 19,339 housing units. Of these housing units, 68.2% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 21% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 10.8% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in 92078 in 2020-2024

View Data Table ↓

Percent
Single-family houses 68.2
Apartments in multi-unit structures 21
Mobile homes 10.8
Boat, RV, van, etc 0

16.6% of the housing inventory was comprised of houses built since 2010, while 0.3% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in 92078 was 5.5 rooms, and of these housing units 62.7% had three or more bedrooms.


In 2020-2024, 92078 had 18,522 housing units that were occupied or had people living in them, while the remaining 817 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 72% while renters occupied 28%. The average household size of owner-occupied houses was 2.84 and in renter-occupied houses it was 2.66.

3.5% of householders of these occupied houses had moved into their house since 2021, while 3% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 3.4% and another 21.1% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in 92078:

House Heating Fuel Used in 92078 in 2020-2024

View Data Table ↓

Percent
Gas 69.2
Electricity 25.3
Fuel oil, kerosene, etc 0.3
All other fuels 3.2
No fuel used 2

In 2020-2024, the median property value for owner-occupied houses in 92078 was $942,300.

Of the owner-occupied households, 74 % had a mortgage. 26% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $3,520 and for owners without a mortgage it was $1,027.

For renter-occupied houses, the median gross rent for 92078 was $2,567. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.