City

San Marcos, CA

4 ZIP codes  ·  San Diego County  ·  California

👥100,367Population
💰$104,716Median HH Income▲ 37% above avg
🎂37.6Median Age
🏠$799,681Median Home Value▲ 187% above avg
🎓53.6%College Grads▲ 38% above avg
📊4.5%Unemployment▼ 8% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 49.4% Female 50.6% ♀

Race & Ethnicity

White: 45.5%Hispanic: 36.5%Black: 1.3%Asian: 10.6%Other: 5.5%Race
White45.5%
Hispanic36.5%
Black1.3%
Asian10.6%
Other5.5%

Age Breakdown

Under 5
6%
5–17
19%
18–24
9%
25–44
27%
45–64
24%
65+
6%

Key Indicators

Median Age37.6 yrs
Avg HH Size2.96
Below Poverty9.8% ≈ Avg
College Grads53.6% ▲ 38% above avg
Unemployment4.5% ▼ 8% below avg
No HS Diploma2,032 (3.4%)
HS Graduate11,500 (19%)
Some College6,006 (9.9%)
Associates8,440 (13.9%)
Bachelors5,942 (9.8%)
Graduate Degree26,645 (44%)

Education

No HS: 3.4%HS Grad: 19%Some College: 9.9%Associates: 13.9%Bachelors: 9.8%Graduate: 44%Edu
No HS3.4%
HS Grad19.0%
Some College9.9%
Associates13.9%
Bachelors9.8%
Graduate44.0%
Housing & Income

Housing Tenure

Owner: 64.1%Renter: 35.9%Tenure
Owner64.1%
Renter35.9%

Home Value Distribution

Under $50k
1%
$50k–$100k
1%
$100k–$150k
1%
$150k–$200k
2%
$200k–$300k
5%
$300k–$500k
10%
Over $500k
80%

Financials

Median HH Income$104,716 ▲ 37% above avg
Median Home Value$799,680 ▲ 187% above avg
Home/Income Ratio7.6x (nat avg ~3.5x)
Median Rent$2,286/mo
Total Housing Units34,936
Vacant Units1,567

Income Distribution

Under $25k
12%
$25k–$50k
10%
$50k–$75k
13%
$75k–$100k
11%
$100k–$150k
19%
$150k–$200k
13%
Over $200k
21%
Employment & Commute

How People Get to Work

Drove Alone
77%
Public Transit
0%
Walked
2%
Work From Home
21%

Commute Time

Under 15 min
19%
15–30 min
39%
30–45 min
27%
Over 45 min
15%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
4%
1960s–1970s
18%
1980s–1990s
23%
2000+
55%
About San Marcos, CA

San Marcos is a city in California, located in San Diego County. The city spans 4 ZIP codes and is home to approximately 100,367 residents. It is a relatively young city, with a median age of 37.62 years.

Economically, San Marcos is a upper-middle-income community. The median household income of $104,715 is above the national average. Approximately 9.8% of residents live below the poverty line. The unemployment rate is 4.5%, near the national average.

The real estate market in San Marcos is a premium housing market. Median home values stand at $799,680, which is more than double the national average. Renters typically pay around $2,286 per month. Homeownership is high at 64.1%, typical of suburban and family-oriented communities.

The population of San Marcos is well-educated. 53.6% of adults hold a bachelor's degree or higher — above the national average. The community is racially diverse, with White as the largest group at 45.5%.

San Marcos, CA offers residents above-average earning potential within California. Spread across 4 ZIP codes, the city's neighborhoods vary in character, density, and demographics — explore each ZIP code below for a detailed breakdown.

ZIP Codes in San Marcos
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
92069 46,825 $93,065 $714,700 $2,078 4.7% 46.7% 55.8%
92078 53,542 $114,905 $874,000 $2,468 4.4% 59.6% 71.3%