Median Age
37 Years
Largest Age Group
15-24 Years
Approximately 15% of Residents
Under 20
27%
Over 65
15%
Area Guide
Avg Rent
$2,454
Population
92,421
Renter Mix
40% Rent
Tucked between Escondido and Carlsbad in San Diego's North County, San Marcos has built a real identity around education, outdoor access, and a laid-back pace that feels distinctly Southern Californian without the coastal price tag. California State University San Marcos and Palomar College anchor the city's energy and economy, drawing students, faculty, and a steady stream of businesses that have grown up around both campuses. Neighborhoods like San Elijo Hills offer a town center with a walkable main street feel, while Discovery Hills puts residents close to lake trails and open hillsides. The University District near Cal State San Marcos has evolved into the North City corridor, with newer development giving that part of town a more polished, connected character.
The rental landscape reflects this variety, ranging from well-appointed apartment communities near campus transit stops to townhomes and garden-style residences in quieter hillside pockets. The SPRINTER light rail links key points across the SR-78 corridor, making car-free commuting a genuine option for many. Heritage Park preserves a slice of the city's agricultural past, and Double Peak Park rewards hikers with sweeping views stretching from the mountains to the Pacific. At roughly 25 square miles, San Marcos packs a lot of livability into a compact footprint.
The main campus of Palomar College is located in San Marcos
The San Elijo Fountain is a historical landmark
Median Household Income
$99,454
Average: $124,443
Education
29,179
Residents Have a Degree
Job Market
47,206
Workers Employed
Median Age
37 Years
Largest Age Group
15-24 Years
Approximately 15% of Residents
Under 20
27%
Over 65
15%
Housing Distribution
San Marcos has more homeowners than renters.
Education Distribution
Review this city's overall education levels.
As of May 2026, the average apartment rent in San Marcos, CA is $2,466 for a studio, $2,454 for one bedroom, $2,931 for two bedrooms, and $3,918 for three bedrooms. Apartment rent in San Marcos has increased by 1.2% in the past year.
Explore how walkable, bikeable, drivable, and transit-friendly San Marcos, CA is for everyday living.
Fairly Walkable
Walkability
Minimal Public Transit
Transit
Very Drivable
Drivability
Fairly Bikeable
Bikeability
Public
Grades K-5
758 Students
Public
Grades K-5
758 Students
Public
Grades K-5
717 Students
Public
Grades K-5
717 Students
Public
Grades K-8
1,171 Students
High Tech Middle North County School
Public
Grades 6-8
341 Students
Public
Grades K-8
1,171 Students
Community Collaborative Virtual - Sage Oak Charter
Public
Grades K-12
3,879 Students
Public
Grades 6-8
1,395 Students
Public
Grades 6-8
1,395 Students
High Tech High North County School
Public
Grades 9-12
409 Students
Public
Grades 9-12
3,067 Students
Public
Grades 9-12
3,067 Students
Community Collaborative Virtual - Sage Oak Charter
Public
Grades K-12
3,879 Students
Public
Grades 9-12
2,751 Students
The GreatSchools Rating helps parents compare schools within a state based on a variety of school quality indicators and provides a helpful picture of how effectively each school serves all of its students. Ratings are on a scale of 1 (below average) to 10 (above average) and can include test scores, college readiness, academic progress, advanced courses, equity, discipline and attendance data. We also advise parents to visit schools, consider other information on school performance and programs, and consider family needs as part of the school selection process.
View GreatSchools Rating Methodology
Data provided by
GreatSchools.org
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† Our analysis of utilities, groceries, transportation, healthcare, home prices, and other goods and services is sourced from the Cost of Living Index, a respected benchmark published by the Council for Community and Economic Research (C2ER) that provides a thorough overview of living expenses across different regions.
Rent data is provided by CoStar Group’s Market Trend reports. As the industry leader in commercial real estate information, analytics, and news, CoStar conducts extensive research to produce and maintain a comprehensive database of commercial real estate information. We combine this data with public record to provide the most up-to-date rental information available.
Consumer goods, services, and home prices are sourced from the Cost of Living Index published by the Council for Community and Economic Research (C2ER). The data on this page is updated quarterly. It was last published in February 2026.
Demographic information comes from Neustar and combines detailed address data with U.S. Census and American Community Survey statistics to produce reliable local estimates.