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San Marcos

City of San Marcos

  •   State: 
    San Diego County
    San Marcos
      County FIPS: 
    33°8′31″N 117°10′13″W
      Area total: 
    24.36 sq mi (63.08 km²)
      Area land: 
    24.34 sq mi (63.03 km²)
      Area water: 
    0.02 sq mi (0.05 km²)
    1963; Incorporated January 28, 1963 ( 1963-01-28 ) Chartered July 4, 1994 ( 1994-07-04 )
  •   Latitude: 
      Dman name cbsa: 
    San Diego-Chula Vista-Carlsbad, CA
    Pacific Standard Time (PST) UTC-8:00; Pacific Daylight Time (PDT) UTC-7:00
      ZIP codes: 

    San Marcos, San Diego County, California, United States

  •   Population: 
      Population density: 
    3,900 residents per square mile of area (1,500/km²)
      Household income: 
      Unemployment rate: 
  •   Sales taxes: 
      Income taxes: 

As of the 2020 census, the city's population was 94,833. The city is bordered by Escondido to the east, Encinitas to the southwest, Carlsbad to the west, and Vista to the northwest. Lake San Marcos is an enclave, or county island, in the southwestern part of the city, within San Marcos' sphere of influence but technically an unincorporated community. San Marcos became an incorporated city on January 28, 1963. In the 1970s, San Marcos was flourishing as the third fastest-growing city in the state, with a population of 17,479 by 1980. The population continued to grow over the next two decades, surpassing 30,000 in 1990 and nearing 85,000 by 2010. Like most of San Diego County, cool weather is common in May and June through September. Due to the moderating influence of the Pacific Ocean, temperatures rarely fall below freezing in winter and above 100 degrees in summer. The area has a total area of 24.4 square miles (63.2 km²) and 0.02 square km² (0.08 sq miles) of it is water-logged due to the water table being so low. The town's name is Spanish for "St. Mark" or "Little Vallecitos de San Marcos" (Little Valleys of Saint Mark) The town was named after the day of discovery: April 25, St. Marks Day, when the Spaniards first discovered the valley.


San Marcos is the primary city name, but also Elfin Forest are acceptable city names or spellings. The official name is City of San Marcos. In 1797 the Spaniards came upon a fertile valley, which was named Los Vallecitos de San Marcos (Little Valleys of Saint Mark) In 1883, a few miles south of the settlement, John H. Barham founded the first town in the area, originally situated on the southeast corner of what are now Rancho Santa Fe Road and San Marcos Boulevard. In 1887, the Santa Fe Railroad announced that it was going to lay tracks going through the valley, but to the disappointment of the citizens, the tracks were laid one mile (1.6 km) from the center of the town. In the 1970s, San Marcos was flourishing as the third fastest-growing city in the state, and had a population of 17,479 by 1980. The population continued to boom over the next two decades, surpassing 30,000 in 1990 and nearing 85,000 by 2010.San Marcos experienced a period of growth from 1956 onward, when the first water from the Colorado River arrived. Several small businesses were founded and the population rapidly increased to 2,500. The main business in San Marcos in the 19th and early 20th centuries was farming, and in the mid-20th century, dairies and poultry production became a big part of the business in the town of San Marcos. The city was incorporated on January 28, 1963, and is located on the banks of the San Luis Rey River, which flows into the San Diego River and the San Francisco Bay.


According to the United States Census Bureau, the city has a total area of 24.4 square miles (63 km²) Most of the rain falls between November and March, averaging about 13 inches per year, with up to 20 inches falling in the San Marcos Hills. Due to the moderating influence of the nearby Pacific, temperatures rarely fall below freezing in winter and above 100 degrees F. in summer. July through September are usually the warmest months, although hot and dry Santa Ana winds can strike any month (most commonly August) and raise risks of severe wildfires. The city is located on the San Diego River, a tributary of the San Ysidro River, which flows through the city. It is the only city in San Diego County that is not on the National Register of Historic Places. It was the site of the first U.S. Civil War Battle of San Diego, which took place in 1864. The town was named after San Diego's first president, William San Marcos, who was elected in 1875. The name San Marcos is Spanish for "peaceful" or "liberty" and refers to the city's history as a place of refuge for the Spanish-speaking population. It also means "town of San Marcos" in Spanish, which means "home of the hills". The city's name is derived from the Spanish word "san Marcos" for "hilly" (meaning "hill") or "mountain", which refers to its location in the hills. It has been known as San Marcos since the 1800s.


The 2010 United States Census reported that San Marcos had a population of 83,781. The racial makeup of San Marcos was 53,235 (63.5%) White, 1,967 (2.3%) African American, 7,518 (9.0%) Asian, 322 (0.4%) Pacific Islander, 15,853 (18.9%) from other races, and 4,295 (5.1%) from two or more races. 36.87% of the population were Hispanic or Latino of any race. There were 28,641 housing units at an average density of 1,174.3 per square mile (453.4/km²), of which 17,094 (62.8%) were owner-occupied, and 10,108 (37.2%) were occupied by renters. The homeowner vacancy rate was 2.1%; the rental vacancy rate is 5.7%. 50,570 people (60.4%) lived in owner- occupied housing units and 32,367 people (38.6%) lived in rental housing units. The average household size was 3.05; the average family size was3.49. The median income for a household in the city was $45,084; the median family income was $60,816. The city's population was 54,977 as of the census of 2000, with 18,111 households, and 13,221 families residing in theCity. The population was spread out, with 23,287 people under the age of 18, 9,215 people aged 18 to 24, 25,237 people aged 25 to 44, 17,515 people aged 45 to 64, and 8,527 people (10.2) who were 65 and older.


According to the city's 2021 Annual Comprehensive Financial Report, the top 10 employers in the city are: The city's top employers are: the hospital, police and fire departments. The city is home to the U.S. Naval Academy and the University of Wisconsin-Madison. The top employers of the city, according to the report, are the hospital and the fire and police departments. In total, the city has more than 1,000 employees. The economy is the largest employer in the City of Wounded Knee. The U.N. is the second-largest employer of women in the country, after the United States. The number of women employed by the city is at an all-time high. The unemployment rate is at 3.7 per cent, the lowest in the state. The average wage is $28.6 per hour. The median household income is $27.1 per hour, the highest in the county. The cost of living is $3.2 per person, the average cost of life is $2.9 per day, and the average household size is 1.7 square feet, the report says. The City's economy is one of the fastest-growing in the nation. It is also the most diverse in the world, with a population of 1.6 million people. In 2013, the economy was the third-largest in the region, with more than 300,000 people living in the area. In 2014, it was the sixth-largest city in the United Kingdom.

Arts and culture

An illuminated cross stands on a hill above Lake San Marcos and is visible at night from many parts of the city. Other landmarks include the Williams Barn (or "Red Barn"), a community center and reception hall built in 1952 to resemble a "big red barn" It is located in Walnut Grove Park in Twin Oaks, along with a collection of historic houses from around the city maintained by the San Marcos Historical Society. The Williams Barn was built to look like a red barn, and it is located on the edge of the lake. It is one of several historic houses in the city that have been preserved by the city's Historical Society, which also maintains other historic houses. The city is home to a number of museums and galleries, including the National Museum of American History and the Museum of Science and Industry in San Marcos, which was built in 1881. The San Marcos Museum of Art and Industry is located at the top of the hill and is open to the public at night. The museum is open from 6 to 9 p.m. every day and has a museum and gallery that is open until late into the night. It also has a large collection of historical houses, including some that date back to the 18th century and the early 20th century, which are on display in the museum's parking lot. The Museum of History and Art in San Marcos is open through the end of the year and has been open since the 1930s. It was the first museum to be built in the San Marco city.


San Marcos uses a council-manager system of government with a separately elected mayor. The city council consists of the mayor and four other members, who are elected in Districts 1 & 2 in 2018 and Districts 3 & 4 in 2020, the Mayor is elected at large. As of December 2018, the city manager is Jack Griffin. San Marcos is in California's 50th congressional district, currently represented by Darrell Issa (R). The city is represented by Jim Desmond in the 5th district of the County Board of Supervisors. At the state level, San Marcos is represented by Republican Assemblymember Marie Waldron in the 75th Assembly district, and Republican Senator Brian Jones in the 38th Senate District. The Mayor is Rebecca Jones, Mayor Pro Tem is Sharon Jenkins and other Councilmembers are Maria Nuñez for D1, Randy Walton for D2 and Ed Musgrove serves D4. The City of San Marcos has a population of 4,000 people. It is located in the Central Coast region of California and is located on the San Diego-San Diego railroad corridor. It has an estimated population of 3,000, with the majority of its residents living in the eastern part of the city. It was founded in the early 1900s, and is one of the first cities in the state to develop a large industrial area. It also has a history of economic growth, particularly in the 1950s and 1960s. It is one of only a handful of cities in California to have a population in excess of 1 million.


The San Marcos Unified School District is one of the largest school districts in San Diego County. The main 200-acre (0.81 km²) campus of Palomar College is located in northern San Marcos. Cal State San Marcos is a campus in the California State University system. High Tech High, Middle and Elementary are all charter schools located in San Marcos and are located across the street from San Marcos High School on San Marcos Boulevard. The San Marcos Adult School offers adult education courses for adults in the areas of: high school diploma, GED, HISET, adult basic education, and English as a Second Language. It is a member of the Education to Career Network of North SanDiego County and is funded by the California Adult Education Program. It enrolls about 14,000 students and offers 44 undergraduate programs, 10 graduate programs, and 1 Doctorate in Education in three colleges and one nursing school. The giant letter P (for "Palomar") on the hillside above the campus is a ubiquitous landmark for San Marcos, visible miles away. It was founded in 1989 and built on a 304- acres (1.23 km²), and offers more than 250 associate degree and certificate programs. Residents of California are charged $46 per unit. The school district has 20 schools with diverse educational programs for kindergarten through adult education students. It has 11 elementary schools, 3 middle schools (San Elijo Hills, Woodland Park and San Marcos middle schools), 2 K-8 school (Double Peak, La Mirada Academy K- 8) and 2 comprehensive high schools. It also has 1 charter high school, 1 independent study high school.


State Route 78 provides freeway access to San Marcos, with six interchanges serving the city. Several county routes connect the city with other nearby cities including Vista, Carlsbad and Escondido. Light rail service is available in the city of San Marcos with stops located at Palomar College, the San Marcos Civic Center, and Cal State San Marcos. BREEZE buses, which are also operated by the North County Transit District, serve the city using lines 304, 305, 347, 353, and 445. San Marcos is located on the San Diego County Coastline, which runs through San Diego. The San Diego River runs through the city, connecting the city to San Diego, Los Angeles, San Diego and Imperial Beach. The city is also on the Santa Catalina Coast, which connects to the north coast and the east coast of the U.S. via the Santa Barbara Channel. The Santa Barbara River flows into the San Luis Obispo River, which drains into the Pacific Ocean. San Diego is on the eastern edge of the Santa Cruz Mountains, which run from San Diego to Los Angeles and the northern tip of the Baja California Peninsula. The Los Angeles River runs from the north to the south, connecting San Diego with Santa Barbara and Los Angeles. The Baja River flows through the southern part of the city and into the northern part of Los Angeles County, where it connects with the San Francisco Bay Area and the Central Coast. The California Bay Area is the largest urban area in the state, with more than 100,000 residents.

Air Quality, Water Quality, Superfund Sites & UV Index

The Air Quality index is in San Marcos, San Diego County, California = 5.2. These Air Quality index is based on annual reports from the EPA. Higher values are better (100=best). The number of ozone alert days is used as an indicator of air quality, as are the amounts of seven pollutants including particulates, carbon monoxide, sulfur dioxide, lead, and volatile organic chemicals. The Water Quality Index is 75. A measure of the quality of an area’s water supply as rated by the EPA. Higher values are better (100=best). The EPA has a complex method of measuring the watershed quality, using 15 indicators such as pollutants, turbidity, sediments, and toxic discharges. The Superfund Sites Index is 70. Higher is better (100=best). Based upon the number and impact of EPA Superfund pollution sites in the county, including spending on the cleanup efforts. The UV Index in San Marcos = 5.9 and is a measure of an area's exposure to the sun's ultraviolet rays. This is most often a combination of sunny weather, altitude, and latitude. The UV Index has been defined by the WHO ( and is uniform worldwide.


The most recent city population of 94,833 individuals with a median age of 33.9 age the population grows by 51.33% in San Marcos, San Diego County, California population since 2000 and are distributed over a density of 3,900 residents per square mile of area (1,500/km²). There are average 3.02 people per household in the 27,535 households with an average household income of $63,269 a year. The unemployment rate in Alabama is 10.50% of the available work force and has dropped -5.41% over the most recent 12-month period and the projected change in job supply over the next decade based on migration patterns, economic growth, and other factors will increase by 18.68%. The number of physicians in San Marcos per 100,000 population = 243.9.


The annual rainfall in San Marcos = 15.6 inches and the annual snowfall = 0 inches. The annual number of days with measurable precipitation (over .01 inch) = 44. The average number of days per year that are predominantly sunny = 265. 88 degrees Fahrenheit is the average daily high temperature for the month of July and 37.7 degrees Fahrenheit is the average daily low temperature for the month of January. The Comfort Index (higher=better) is 45, where higher values mean a more pleasant climate. The Comfort Index measure recognizes that humidity by itself isn't the problem. (Have you noticed nobody ever complains about the weather being 'cold and humid?) It's in the summertime that we notice the humidity the most, when it's hot and muggy. Our Comfort Index uses a combination of afternoon summer temperature and humidity to closely predict the effect that the humidity will have on people.

Median Home Cost

The percentage of housing units in San Marcos, San Diego County, California which are owned by the occupant = 65.04%. A housing unit is a house, apartment, mobile home, or room occupied as separate living quarters. The average age of homes = 16 years with median home cost = $273,340 and home appreciation of -7.53%. This is the value of the years most recent home sales data. Its important to note that this is not the average (or arithmetic mean). The median home price is the middle value when you arrange all the sales prices of homes from lowest to highest. This is a better indicator than the average, because the median is not changed as much by a few unusually high or low values. The property tax rate of $7.35 shown here is the rate per $1,000 of home value. If for simplification for example the tax rate is $14.00 and the home value is $250,000, the property tax would be $14.00 x ($250,000/1000), or $3500. This is the 'effective' tax rate.


The local school district spends $4,407 per student. There are 23.5 students for each teacher in the school, 8422 students for each Librarian and 1009 students for each Counselor. 7.99% of the area’s population over the age of 25 with an Associate Degree or other 2-year college degree, 14.69% with a master’s degree, Ph.D. or other advanced college degree and 5.97% with high school diplomas or high school equivalency degrees (GEDs).

  • San Marcos's population in San Diego County, California of 8,483 residents in 1900 has increased 11,18-fold to 94,833 residents after 120 years, according to the official 2020 census.

    Approximately 50.48% female residents and 49.52% male residents live in San Marcos, San Diego County, California.

    As of 2020 in San Marcos, San Diego County, California are married and the remaining 37.86% are single population.

  • 29.3 minutes is the average time that residents in San Marcos require for a one-way commute to work. A long commute can have different effects on health. A Gallup poll in the US found that in terms of mental health, long haul commuters are up to 12 percent more likely to experience worry, and ten percent less likely to feel well rested. The Gallup poll also found that of people who commute 61­–90 minutes each day, a whopping one third complained of neck and back pain, compared to less than a quarter of people who only spend ten minutes getting to work.

    73.60% of the working population which commute to work alone in their car, 16.49% of the working population which commutes to work in a carpool, 1.84% of the population that commutes using mass transit, including bus, light rail, subway, and ferry. 4.47% of the population that has their home as their principal place of work.

  • Of the total residential buildings in San Marcos, San Diego County, California, 65.04% are owner-occupied homes, another 29.88% are rented apartments, and the remaining 5.08% are vacant.

  • The 42.69% of the population in San Marcos, San Diego County, California who identify themselves as belonging to a religion are distributed among the following most diverse religions.

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