Where is San Marcos, California Located in the United States? - San Marcos is a city located in the San Diego County in California, United States. San Marcos lies between 33.1434 Degrees North latitudes and -117.1661 Degrees West longitudes.
Location Map of San Marcos, San Diego, California
About Map: The map shows the location of San Marcos in San Diego County, in the U.S. state of California.
San Marcos Map, California, USA
About San Marcos Map: This Google Map provides a detailed view with zoom, satellite, and street options to explore the area and its surroundings.
About San Marcos, San Diego County, California
San Marcos is located in San Diego County in the U.S. state of California, United States. It lies in the southern part of the state in the state of the United States within the North County region of the San Diego metropolitan area. The city was incorporated in 1963 and was named after Rancho San Marcos, and it has developed into a residential, educational, and commercial center in northern San Diego County.
Population
According to the United States Census Bureau, the population of San Marcos is 94,833 as recorded in the 2020 Census, and the population density is approximately 3,900 people per square mile.
Area and Geography
According to the United States Census Bureau, San Marcos covers a total area of approximately 24.4 square miles (about 63.2 square kilometers), including about 24.4 square miles (63.2 square kilometers) of land and a minimal amount of water area.
Location and Surroundings
San Marcos is situated east of Carlsbad and south of Escondido, positioned a few miles inland from the Pacific coastline. The city features rolling hills, residential neighborhoods, and commercial districts that reflect its suburban growth. State Route 78 serves as the primary transportation corridor, connecting San Marcos to surrounding communities and coastal areas.
Attractions and Recreation
San Marcos offers parks, hiking trails, and recreational facilities that support outdoor activities and community events. Popular destinations include Double Peak Park, Discovery Lake, and Lake San Marcos. The city is also home to California State University San Marcos and Palomar College, contributing significantly to higher education and regional economic development.
Transportation
San Marcos is served by State Route 78, providing direct highway access across northern San Diego County. Public transportation includes the SPRINTER light rail line and regional bus services linking the city to Oceanside and Escondido. The nearest major airport is San Diego International Airport, located approximately 35 miles to the south.
Explore more cities in California or visit the United States Map section to learn more about the country’s geography.
Sources:
Population and area data sourced from the United States Census Bureau (2020 Census). General city information referenced from the Official San Marcos City Website.
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San Marcos City Facts
| City | San Marcos |
| State | California |
| County | San Diego County |
| Country | United States |
| Region | Southern California - North County San Diego |
| Incorporated | January 28, 1963 |
| Founded | 1880s |
| Total Area | Approximately 24.4 sq mi (63.2 km2) |
| Land Area | Approximately 24.4 sq mi (63.2 km2) |
| Water Area | Approximately 0.0 sq mi (0.0 km2) |
| Elevation | Approximately 620 ft (189 m) |
| Population (2023 estimate) | Approximately 95,000+ |
| Population (2020 Census) | 94,833 |
| Population Density | Approximately 3,900 people per sq mi |
| Time Zone | Pacific Time (UTC-8 / UTC-7 DST) |
| ZIP Codes | 92024, 92069, 92078, 92079, 92096 |
| Area Code | 760, 442 |
| Major Highways | State Route 78, Interstate 15 nearby |
| Public Transit | North County Transit District - Sprinter, Breeze Bus |
| Major Attractions | California State University San Marcos, Double Peak Park, Discovery Lake |
| Official Website | https://www.san-marcos.net/ |
Distance from San Marcos City, CA to Nearby Cities in California
- Vista, CA – 6 miles (10 km)
- Escondido, CA – 10 miles (16 km)
- Carlsbad, CA – 12 miles (19 km)
- Oceanside, CA – 14 miles (23 km)
- Encinitas, CA – 15 miles (24 km)
- Poway, CA – 20 miles (32 km)
- Del Mar, CA – 22 miles (35 km)
- La Jolla, CA – 30 miles (48 km)
- San Diego, CA – 35 miles (56 km)
- Chula Vista, CA – 45 miles (72 km)
- Temecula, CA – 30 miles (48 km)
- Murrieta, CA – 35 miles (56 km)
- Lake Elsinore, CA – 40 miles (64 km)
- Riverside, CA – 60 miles (97 km)
- Corona, CA – 55 miles (89 km)
- San Clemente, CA – 25 miles (40 km)
- Irvine, CA – 50 miles (80 km)
- Anaheim, CA – 60 miles (97 km)
- Santa Ana, CA – 55 miles (89 km)
- Los Angeles, CA – 90 miles (145 km)
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