United States › Texas › San Marcos CITY · 2020 ACS
San Marcos Texas · 67,553 residents · 38.9 sq mi
Time machine
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The short version
San Marcos is a city of 67,553 people in Texas. This skews young, with a median age of 23.7. Owners hold 26% of the housing stock. The population has more than doubled since 2000, adding 32,820 people. 67% were living in the same home a year earlier. The poverty rate is 28.9%, above the 12.8% national rate.
At a glance
Lower income
below the US median
US median: $66,278
Younger
median age 23.7
US median: 38.8
Average education
35% hold a bachelor's degree
US average: 33%
Less affordable
home values up 62%, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 23.3 in 2000
US average: 38.8
Population, 1990 – 2024
25K 37K 50K 62K 75K 1990 2000 2010 2020 2024 San Marcos Age distribution, 2020
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Section 02
Income & economy $42,030
+8%inflation adjusted, since 2000
from $25,809 in 2000
US average: $66,278
from $13,468 in 2000
US average: $35,364
Households earning $100K+
from 13.8% in 2009
US average: 43.9%
from 28.5% in 2000
US average: 12.8%
Workforce by industry, 2020
Professional, scientific, technical 5.3%
Arts, entertainment, food 2.3%
Public administration 2.2%
Transportation & warehousing 1.3%
Agriculture, forestry, fishing 0.9%
Education & health services 0.9%
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$185,300
+62%inflation adjusted, since 2000
from $76,000 in 2000
US average: $265,253
$1,099
+18%inflation adjusted, since 2000
from $622 in 2000
US average: $1,124
from 30.2% in 2000
74.2% rent
from 2.60 people in 2009
US average: 2.61
from 4.4 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 55.2%(19,165)
Hispanic / Latino 36.5%(12,676)
2020
White, non-Hispanic 42.2%(28,505)
Hispanic / Latino 40.6%(27,440)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 6 more hispanic origin groups with data Ancestry
+ 33 more ancestry groups with data from 29.0% in 2000
US average: 32.9%
High school or higher
from 79.5% in 2000
US average: 88.5%
from 11.0% in 2000
US average: 12.7%
Section 06
Commute & transportation from 15.7 min in 2000
US average: 26.9
from 77.2% in 2009
US average: 75.1%
from 6.8% in 2009
US average: 8.4%
Section 07
Work & employment from 10.1% in 2011
US average: 5.4%
from 59.3% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 28.1% in 2009
US average: 39.3%
Section 08
People & community from 5.6% in 2009
US average: 13.5%
from 23.4% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 58.5%(16,756)
Women 15+
Never married 59.6%(20,571)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 23.4% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
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, 2020
Gulf War (2001 or later) 37.3%(1,054)
Gulf War (1990s) 21.6%(610)
Share of the 2,829 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
Places similar to San Marcos Head to head
Compare San Marcos to nearby cities SAN MARCOS VS
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Frequently asked
How many people live in San Marcos, Texas? San Marcos, Texas has about 67,553 residents according to the 2020 American Community Survey.
What is the median household income in San Marcos, Texas? The typical household in San Marcos, Texas earns about $42,030 a year. Half of households make more than that, and half make less.
Is San Marcos, Texas expensive? In San Marcos, Texas, the median home is worth about $185,300, and the typical rent is about $1,099 a month.
How educated are people in San Marcos, Texas? About 34.6% of adults age 25 and over in San Marcos, Texas hold a bachelor's degree or higher.
What is the poverty rate in San Marcos, Texas? About 28.9% of people in San Marcos, Texas live below the federal poverty line.
Has San Marcos, Texas grown since 1990? Yes, San Marcos, Texas has grown since 1990. The population has added about 38,810 residents, a change of about 135 percent over that period.
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