ZipCodeLook
92078

Zip code 92078: San Marcos, California

Residential delivery areaSan Diego CountyPacific Time
Population
53,605
Median household income
$120K
U.S. $81K
Median home value
$942K
U.S. $333K
Median rent
$2,567/mo
U.S. $1,413
Median age
38.8
U.S. 38.9
Land area
17 sq mi
3,210 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 92078

92078 is an urban zip code in San Marcos, California (San Diego County), covering 17 sq mi of land. About 53,605 people live here, or 3,210 per square mile. The median resident is 38.8 years old, compared with 38.9 nationally.

The median household earns $120,268 a year, 49% above the national median of $80,734. 7% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $942,300, or 7.8 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 72% of occupied homes are lived in by their owners, and renters pay a median of $2,567 a month.

49% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 26.5 minutes each way, and 26% of workers work from home. The most common jobs among working residents are in management, healthcare and sales. 29% of households speak a language other than English at home, most often Spanish.

How 92078 compares

Sorted from highest to lowest national percentile

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Median age
38.8
Under 18
24.7%
65 and over
17%

Race and ethnicity

  • White52%
  • Black1.0%
  • Hispanic28%
  • Asian12%
  • Native American0%
  • Pacific Islander0%
  • Other0.4%
  • Multiracial7%
Diversity index
63.5
U.S. 61.4
Foreign-born
18.5%
U.S. 14.1%
Born in state
55.4%

Language spoken at home (households)

English only
71%
Spanish
16%
Other Indo-European
7%
Asian / Pacific
6%
Other
0.5%

Households

Households
18,522
Average household size
2.8
Family households
73.3%
Married couples
59.9%
Living alone
21.7%
Veterans (of adults)
5.9%
Male / female
49% / 51%

Income and poverty

Household income distribution

<$25k
10%
$25–50k
10%
$50–75k
11%
$75–100k
9%
$100–150k
19%
$150–200k
11%
$200k+
29%

Median household income

92078
$120,268
San Diego Co.
$106,268
California
$99,122
United States
$80,734
Per capita income
$54,529
U.S. $44,673
Poverty rate
7%
U.S. 12.5%
Households earning $150K+
39.8%
U.S. 23%
Income inequality (Gini)
0.441
U.S. 0.483

Housing

Median home value

92078
$942,300
San Diego Co.
$854,700
California
$734,700
United States
$332,700

Median gross rent

92078
$2,567
San Diego Co.
$2,246
California
$2,036
United States
$1,413

Types of housing

Single-family
68%
2–4 units
4%
5–19 units
7%
20+ units
10%
Mobile home
11%
Boat, RV, van
0%
Housing units
19,339
Owner-occupied
72%
Vacant
4.2%
Median year built
2000
Median rooms
5.5
Renters paying 30%+ of income
59.1%
Renters paying 50%+ of income
31.7%
Home value to income
7.8× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
64%
Carpooled
6%
Transit
0.3%
Walked
2%
Bicycle
0.9%
Worked from home
26%
Other
1%

Commute time (one way)

<10 min
8%
10–19
28%
20–29
22%
30–44
28%
45–59
7%
60+
6%
Average commute
26.5 min
U.S. 26.4 min
Unemployment
4.4%
U.S. 5.2%
In labor force
62.1%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management
16%
Healthcare
12%
Sales
9%
Business and finance
9%
Office and admin
9%
Engineering and science
6%
Computer and math
6%
Education
5%
Transportation and moving
5%
Construction and repair
5%
Cleaning and personal care
5%
Food service
4%
Arts, media and sports
3%
Production
2%
Legal and social services
2%
Police and fire
0.9%
Farming, fishing and forestry
0.7%

Industries

Professional and technical services
14%
Health care and social assistance
14%
Manufacturing
13%
Retail
10%
Education
8%
Finance, insurance and real estate
7%
Construction
6%
Restaurants and hotels
5%
Transportation, warehousing and utilities
5%
Admin, support and management
4%
Other services
3%
Information
3%
Public administration
3%
Arts and recreation
3%
Wholesale
2%
Agriculture and mining
0.8%
Median earnings per worker
$68,192
U.S. $49,666
Self-employed
11.8%
U.S. 10%
Government workers
11%
U.S. 14.5%
Nonprofit workers
7.9%
U.S. 8.8%

Median earnings by type of work

Type of work92078U.S.
Management, business, science and arts$109,186$74,888
Service$22,036$26,804
Sales and office$48,044$40,476
Construction and maintenance$48,763$49,199
Production and transportation$40,750$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
7%
High school
12%
Some college
22%
Associate's
9%
Bachelor's
31%
Graduate
19%
High school graduate or higher
92.6%
Bachelor's degree or higher
49.2%
Graduate or professional degree
18.7%
Households with broadband
96.3%
Cable, fiber or DSL
83.7%
No internet access
2.5%
Without health insurance
5.1%
Limited-English households
3.1%

Geography

City (USPS)
San Marcos
Center point
33.1171° N, 117.1808° W
Land area
17 sq mi
Water area
0.1 sq mi
Time zone
Pacific Time (UTC-8, UTC-7 in summer)
Zip type
Residential delivery area

Cities and towns within this zip

  • San Marcos79% of zip
  • Lake San Marcos (unincorporated)10% of zip
  • Harmony Grove (unincorporated)6% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 92078

ZipCityDistanceIncome
92096San Marcos1.6 mi—
92079San Marcos · PO box2 mi—
92029Escondido3.9 mi$124,726
92009Carlsbad4 mi$164,182
92069San Marcos4.2 mi$96,771
92091Rancho Santa Fe4.5 mi$103,452
92081Vista4.8 mi$105,379
92030Escondido · PO box5.5 mi—
92033Escondido · PO box5.5 mi—
92046Escondido · PO box5.5 mi—
92024Encinitas6.1 mi$158,507
92010Carlsbad6.7 mi$129,926

Zip codes like 92078 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 92078

What city is zip code 92078?

92078 is assigned to San Marcos, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 92078 in?

92078 is in San Diego County, California.

What is the population of 92078?

About 53,605 people live in 92078, according to the Census Bureau's American Community Survey.

What time zone is 92078 in?

92078 is in Pacific Time.

What is the median household income in 92078?

The median household income in 92078 is $120,268.

What zip codes are near 92078?

The closest zip codes to 92078 are 92096, 92079, 92029, 92009, 92069.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 92078, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.