San Marcos city, California Census 2020 Population By Race and Ethnicity

Updated on September 4, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 94.83K population of San Marcos city, CA residents comprised of 34.88K residents who identified as Hispanic or Latino (36.78%), and 59.96K residents who identified as Non-Hispanic (63.22%).

Race: The White Alone population was the largest racial group in San Marcos city, CA, with a population of 48.18K (50.81%). The Some Other Race Alone population was the second largest racial group in San Marcos city, CA, with a population of 17.47K (18.42%). The Two Or More Races population was the third largest racial group in San Marcos city, CA, with a population of 15.22K (16.05%). The smallest racial group in San Marcos city, CA was Native Hawaiian And Pacific Islander Alone with a population of 298 (0.31%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in San Marcos city, CA, with a population of 41.99K (44.28%). The Hispanic - Some Other Race Alone population was the second largest ethnic group in San Marcos city, CA, with a population of 16.95K (17.87%). The Hispanic - Two or More Races population was the third largest ethnic group in San Marcos city, CA, with a population of 10.30K (10.86%). The smallest ethnic group in San Marcos city, CA was Hispanic - Native Hawaiian & Pac. Islander with a population of 45 (0.05%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in San Marcos city, California from the 2020 decennial census.

You can see similar information for other cities and places in California and also for the state of California.

San Marcos city, CA Hispanics and Non Hispanics Population in Census 2020
Total Population:
San Marcos city, CA Racial Groups in Census 2020
Total Population:
San Marcos city, CA Ethnicity Groups in Census 2020
Total Population:
San Marcos city, CA Population of Racial Groups in Census 2020
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Race Population % of City or Place Population
Black or African American Alone 2117 2.23
White Alone 48180 50.81
American Indian and Alaska Native Alone 1131 1.19
Asian Alone 10419 10.99
Native Hawaiian And Pacific Islander Alone 298 0.31
Some Other Race Alone 17471 18.42
Two Or More Races 15217 16.05
San Marcos city, CA Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of City or Place Population
Non-Hispanic - White Alone 41989 44.28
Hispanic - Some Other Race Alone 16946 17.87
Hispanic - Two or More Races 10301 10.86
Non-Hispanic - Asian Alone 10185 10.74
Hispanic - White Alone 6191 6.53
Non-Hispanic - Two or More Races 4916 5.18
Non-Hispanic - Black Alone 1898 2.00
Hispanic - American Indian & Alaska Native 942 0.99
Non-Hispanic - Some Other Race Alone 525 0.55
Non-Hispanic - Native Hawaiian & Pac. Islander 253 0.27
Hispanic - Asian Alone 234 0.25
Hispanic - Black Alone 219 0.23
Non-Hispanic - American Indian & Alaska Native 189 0.20
Hispanic - Native Hawaiian & Pac. Islander 45 0.05