San Marcos is a city located in Hays County Texas. It is also the county seat of Hays County. With a 2023 population of 74,351, it is the 56th largest city in Texas and the 539th largest city in the United States.San Marcos is currently growing at a rate of 3.14% annually and its population has increased by 10.06% since the most recent census, which recorded a population of 67,553 in 2020. Spanning over 34 miles, San Marcos has a population density of 2,178 people per square mile.
The average household income in San Marcos is $54,535 with a poverty rate of 29.35%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in San Marcos is 25.1 years, 26.1 years for males, and 24.2 years for females.
According to the most recent ACS, the racial composition of San Marcos was:
White
Two or more races
Black or African American
Other race
Asian
Native American
Native Hawaiian or Pacific Islander
3.01
Average Family Size
2.44
Average Household Size
29.1%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among other race people with a rate of 94.83%.
The highest rate of bachelors degrees is among other race people with a rate of 52.91%.
All
Male
Female
$31,680
Average Earnings
$34,699
Average Male
$26,647
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
72.11% of San Marcos residents speak only English, while 27.89% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 23.55% of the population.
rate
29.35%
Overall Poverty Rate
22.26%
Male Poverty Rate
34.86%
Female Poverty Rate
The race most likely to be in poverty in San Marcos is Islander, with 61.11% below the poverty level.
The race least likely to be in poverty in San Marcos is Multiple, with 13.64% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 7.04%. Among those working part-time, it was 46.03%, and for those that did not work, the poverty rate was 41.12%.
rate
rate
Households
Families
MarriedFamilies
NonFamilies
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
26.7%
Overall Marriage Rate
27.3%
Male Marriage Rate
26.3%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is Over 65.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
2,829
Number of Veterans
2,569
Male Veterans
260
Female Veterans
count
count
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
7.71%
Veteran Poverty Rate
25.35%
Veteran Disability Rate
LaborForceParticipation
65.7%
Labor Force Participation
60.8%
Employment Rate
7.4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
63.81%
Born in San Marcos
86.27%
Native Born
8.54%
Foreign Born
5.03%
Non Citizen
3.51%
Naturalized
86.27% of San Marcos residents were born in the United States, with 63.81% having been born in Texas. 5.03% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.