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San Marcos, California Map and Directory


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Current Weather Conditions in San Marcos, California
Source: Accuweather
San Diego County, California locator map According to the United States Census Bureau, San Marcos is a City that is located in San Diego County, California at 33.14 degrees North and 117.17 degrees West.  The city's time zone is America/Los Angeles, and the city's primary telephone area code is 760.  The land area of San Marcos is about 24.37 square miles, whereas the water area of the city is about 0.02 square miles.  San Diego County's land area is about 4,207 square miles, so the city occupies about 0.6 percent of the county's total land area.

The Census Bureau estimates that San Marcos had about 96,664 residents in 2019, which is approximately 3,967 people per square mile of land area. 

According to recent American Community Survey data, the median household income in San Marcos was about $78,797 per year. 

The California counties map at upper right shows San Diego County, highlighted in red.  Use the menu below to display interactive maps of San Marcos, either in a frame on this page or in full-screen mode. 

Use the menu below to display categorized San Marcos directories. 

San Marcos Products and Services Directory

Selected San Marcos, California Listings

These randomly selected San Marcos listings provide some insight into the city's cultural environment and economic climate.

ACI Medical
  • Industrial Equipment & Supplies Wholesale & Manufacturers
  • Medical Equipment & Supplies Retail
  • Clothing & Accessories Retail
  • Medical Equipment & Supplies Wholesale & Manufacturers
  • Surgical Instruments Wholesale & Manufacturers
Artistic Pianos
  • Musical Instruments Retail
  • Pianos & Organs Retail
Chiropractic Health Center DR Tracy Magie
  • Chiropractors
Concours Classics
  • Auto Body Repair & Painting
  • Auto Customizing, Conversion & Restoration
  • Motorcycle, Motor Scooter & ATV Service & Repair
  • Motorcycle & Motor Scooter Painting & Customizing
Edge Dance Academy
  • Performing Arts Schools
  • Dance Studios
  • Art Schools
  • Dance Instructors
Holly Home Carpets Inc.
  • Carpet & Rug Dealers
Kingsborne Wire Works Corporation
  • Engineers
  • Auto Parts Retail
  • Auto Parts Wholesale & Manufacturers
  • Manufacturing Engineers
Mary Cavanagh
  • Attorneys
  • Corporate Business Attorneys
  • Real Estate Attorneys
  • Trial Attorneys
  • Bankruptcy Attorneys
Ocean Reef
  • Importers
  • Water Sports
  • Scuba & Skin Diving
  • Diving Instruction
  • Diving Equipment & Supplies
Pacific Mobility Center
  • Auto Parts Retail
  • Medical Equipment & Supplies Retail
  • Hospital Equipment & Supplies Retail
  • Wheelchair Lifts & Scooters
  • Auto Hand & Foot Controls
Richard & Richard Construction Company
  • Builders & Contractors
  • Building Contractors
San Marcos Branch Library
  • Cultural Attractions, Events & Facilities
  • Libraries
T & H Prime Meats & Sausage
  • Meats Retail
  • Meats Wholesale
  • Meats

Nearby California Cities and Towns *

* Parenthesized numbers indicate economic activity levels.

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