United States › California › San Marcos CITY · 2010 ACS
San Marcos California · 83,781 residents · 24.6 sq mi
Time machine
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The short version
San Marcos is home to 83,781 people in California. The typical home is worth $441,400, having more than doubled since 2000. The population has risen by half since 2000, adding 28,804 people. This skews young, with a median age of 32.9. 24% of locals were born outside the United States. Renters pay $1,237 a month at the median.
At a glance
Wealthier
above the US median
US median: $52,703
Younger
median age 32.9
US median: 37.2
Average education
30% hold a bachelor's degree
US average: 28%
Less affordable
home values up 95%, inflation adjusted
US median home: $225,659
Section 01
Population & growth from 32.1 in 2000
US average: 37.2
Population, 1990 – 2024
33K 50K 67K 84K 101K 1990 2000 2010 2020 2024 San Marcos Age distribution, 2010
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Section 02
Income & economy $58,897
+1%inflation adjusted, since 2000
from $45,908 in 2000
US average: $52,703
from $18,657 in 2000
US average: $27,286
Households earning $100K+
from 43.0% in 2009
US average: 33.3%
from 12.0% in 2000
US average: 13.8%
Workforce by industry, 2010
Transportation & warehousing 5.1%
Public administration 4.1%
Arts, entertainment, food 2.5%
Professional, scientific, technical 1.9%
Agriculture, forestry, fishing 1.5%
Education & health services 1.1%
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$441,400
+95%inflation adjusted, since 2000
from $178,400 in 2000
US average: $225,659
$1,237
+23%inflation adjusted, since 2000
from $797 in 2000
US average: $853
from 66.0% in 2000
37.2% rent
from 4.7% in 2009
US average: 12.1%
from 3.11 people in 2009
US average: 2.60
from 46.4% in 2009
US average: 30.9%
from 63.6% in 2009
US average: 46.8%
from 7.4 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 53.9%(29,617)
Hispanic / Latino 36.9%(20,271)
2010
White, non-Hispanic 48.6%(40,736)
Hispanic / Latino 36.6%(30,697)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 8 more hispanic origin groups with data Ancestry
+ 43 more ancestry groups with data from 20.0% in 2000
US average: 27.9%
High school or higher
from 75.1% in 2000
US average: 84.9%
from 5.8% in 2000
US average: 10.2%
Section 06
Commute & transportation from 18.8 min in 2000
US average: 25.2
from 75.7% in 2009
US average: 76.2%
from 14.6% in 2009
US average: 10.4%
from 2.3% in 2009
US average: 4.7%
from 4.4% in 2009
US average: 4.1%
from 1.9% in 2009
US average: 2.8%
from 0.3% in 2009
US average: 0.5%
from 4.9% in 2009
US average: 8.7%
Section 07
Work & employment from 10.4% in 2009
US average: 12.9%
from 35.4% in 2009
US average: 35.2%
Section 08
People & community from 25.1% in 2009
US average: 12.8%
from 8.8% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married 34.4%(12,367)
Women 15+
Never married 30.4%(11,934)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 17.5% in 2013
US average: 8.4%
from 58.4% in 2020
US average: 54.8%
Direct-purchase
from 12.5% in 2020
US average: 13.8%
from 13.2% in 2020
US average: 18.4%
from 19.9% in 2020
US average: 20.9%
VA health care
from 2.8% in 2020
US average: 2.2%
Any private
from 70.7% in 2020
US average: 67.1%
Any public
from 31.2% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 30.3%(1,243)
Gulf War (1990s) 29%(1,189)
Share of the 4,104 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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Frequently asked
How many people live in San Marcos, California? San Marcos, California has about 83,781 residents according to the 2010 American Community Survey.
What is the median household income in San Marcos, California? The typical household in San Marcos, California earns about $58,897 a year. Half of households make more than that, and half make less.
Is San Marcos, California expensive? In San Marcos, California, the median home is worth about $441,400, and the typical rent is about $1,237 a month.
How educated are people in San Marcos, California? About 29.6% of adults age 25 and over in San Marcos, California hold a bachelor's degree or higher.
What is the poverty rate in San Marcos, California? About 11.3% of people in San Marcos, California live below the federal poverty line.
Has San Marcos, California grown since 1990? Yes, San Marcos, California has grown since 1990. The population has added about 44,807 residents, a change of about 115 percent over that period.
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