Who lives in San Marcos: young, Hispanic, and university-driven
The city has a significant Hispanic majority, a strong university student presence, and a very low median age, with English and Spanish coexisting in everyday life.
San Marcos has a demographic profile quite different from traditional inland Texas. The population skews young because of the university, with a median age below the state average and thousands of students residing within city limits during the academic semester.
The ethnic composition is mixed, with a strong Hispanic presence (largely of Mexican origin, a legacy of the colonial roots of central Texas), non-Hispanic whites, a smaller Black community, and a growing number of Asian and South Asian residents connected to Austin's tech corridor. English-Spanish bilingualism is common in commerce, schools, and public services.
Families with children are concentrated in the southern and western neighborhoods, while the area near campus and downtown is dominated by students in shared apartments. Religion follows the Texas pattern: evangelical and Baptist Protestants are the majority, with a significant Catholic presence and a growing non-religious segment tied to the university population.
- English
- Spanish
- Vietnamese
- Mandarin
- Tagalog
- Protestant Christianity
- Catholicism
- Non-religious
- Mormons (LDS)
- Islam