San Marcos, TX Demographics

What is the population of San Marcos?

There are 67,143 residents in San Marcos, with a median age of 25.2. Of this, 47.58% are males and 52.42% are females. US-born citizens make up 90.07% of the resident pool in San Marcos, while non-US-born citizens account for 3.95%. Additionally, 5.98% of the population is represented by non-citizens. A total of 45,126 people in San Marcos currently live in the same house as they did last year.
Y-o-Y Change
Total Population 67,143 3.6%
Male Population 31,946 3.8%
Female Population 35,197 3.4%
Male Population 47.58%
Female Population 52.42%
Y-o-Y Change
Median Age 25.2 1.2%
Citizen U.S. Born 60,473 2.9%
Citizen not U.S. Born 2,653 6.0%
Not Citizen 4,017 13.2%
Citizen U.S. Born 90.07%
Citizen not U.S. Born 3.95%
Not Citizen 5.98%
Y-o-Y Change
Moved from Abroad 356 95.6%
Moved from Same County 9,589 -14.2%
Moved from Same State 10,180 12.5%
Moved from Different State 1,428 -6.8%
Same House as Last Year 45,126 6.5%
Moved from Abroad 0.53%
Moved from Same County 14.38%
Moved from Same State 15.27%
Moved from Different State 2.14%
Same House as Last Year 67.68%

What are the employment statistics in San Marcos?

White-collar workers make up 83% of the working population in San Marcos, while blue-collar employees account for 17%. There are also 2,366 entrepreneurs in San Marcos (6.41% of the workforce); 25,820 workers employed in private companies (69.97%); and 6,535 people working in governmental institutions (17.71%).
Y-o-Y Change
White Collar 30,625 6.7%
Blue Collar 6,274 3.8%
White Collar 83%
Blue Collar 17%
Y-o-Y Change
Self Employees 2,366 12.4%
Private Companies 25,820 4.1%
Governmental Workers 6,535 8.0%
Not for Profit Companies 2,178 20.9%
Self Employees 6.41%
Private Companies 69.97%
Governmental Workers 17.71%
Not for Profit Companies 5.9%

How many households are there in San Marcos?

There are a total of 26,980 households in San Marcos, each made up of around 2 members. Family establishments represent 43.92% of these San Marcos households, while non-family units account for the remaining 56.08%. Additionally, 17.49% of households have children and 82.51% of households are without children.
Y-o-Y Change
Total households 26,980 4.8%
Average People per Household 2 N/A
Family Households 11,850 7.2%
Non-Family Households 15,130 3.1%
Family Households 43.92%
Non-Family Households 56.08%
Y-o-Y Change
Households with Children 4,719 9.9%
Households without Children 22,261 3.8%
Households with Children 17.49%
Households without Children 82.51%

What are the median and average incomes in San Marcos?

The average annual household income in San Marcos is $60,543, while the median household income sits at $47,394 per year. Residents aged 25 to 44 earn $59,144, while those between 45 and 64 years old have a median wage of $57,646. In contrast, people younger than 25 and those older than 65 earn less, at $24,838 and $55,459, respectively.
Y-o-Y Change
Average Household Income $60,543 13.1%
Median Household Income $47,394 11.5%
People below Poverty Level -6 N/A
People above Poverty Level 43,775 7.7%

How many homeowners and renters are there in San Marcos?

There are 29,540 housing units in San Marcos, and the median year in which these properties were built is 1997. Of the 26,980 occupied housing units in San Marcos, 28.87% are owner-occupied, while 71.13% have renters living in them. Meanwhile, properties bought with mortgages account for 62.72% of the units, and the median value of a home with a mortgage is $263,100. In general, housing costs reach $1,268 per month in San Marcos.
Y-o-Y Change
Housing Units 29,540 4.6%
Median Year Built 1997 0.1%
Built in 1939 or Earlier 758 14.2%
Built between 1940 and 1949 816 0.5%
Built between 1950 and 1959 1,173 -7.3%
Built between 1960 and 1969 1,382 4.5%
Built between 1970 and 1979 2,815 4.0%
Built between 1980 and 1989 4,459 2.6%
Built between 1990 and 1999 4,547 -4.3%
Built between 2000 and 2009 5,404 -0.5%
Built between 2010 and 2019 7,575 9.6%
Built in 2020 or Later 611 1,597.2%
Y-o-Y Change
Occupied Housing Units 26,980 4.8%
Owner Occupied 7,790 15.5%
Renter Occupied $19,190 1.1%
Owner Occupied 28.87%
Renter Occupied 71.13%
Y-o-Y Change
With Mortgage 4,886 9.7%
Without Mortgage 2,904 27.0%
Median Value with Mortgage $263,100 15.1%
Median Value without Mortgage $208,200 38.2%
Median Housing Costs per Month $1,268 7.5%
With Mortgage 62.72%
Without Mortgage 37.28%

What is the level of education in San Marcos?

Approximately 27.12% of the population in San Marcos holds a high school degree (that's 15,924 residents), while 37.27% have attained a college certificate (10,439 locals) and 17.59% have a bachelor's degree (10,329 people).
Y-o-Y Change
No High School 2,034 26.4%
Some High School 15,924 4.3%
Some College 10,439 6.5%
Associate Degree 3,746 6.6%
Bachelor's Degree 10,329 7.6%
Graduate Degree 4,801 8.5%
No High School 3.46%
Some High School 27.12%
Some College 37.27%
Associate Degree 6.38%
Bachelor's Degree 17.59%
Graduate Degree 8.18%

What is the marital status of San Marcos residents?

A total of 35,661 people in San Marcos have never been married (which represents 59.31% of the total population), while 17,893 of them are wedded (29.76%). Separated and divorced residents are in smaller numbers, at 782 (1.3%) and 4,938 (8.21%), respectively.
Y-o-Y Change
Never Married 35,661 0.5%
Married 17,893 11.0%
Separated 782 -14.7%
Widowed 1,635 -0.4%
Divorced 4,938 4,938.0%
Never Married 59.31%
Married 29.76%
Separated 1.3%
Widowed 2.72%
Divorced 8.21%

What are the most common means of transportation in San Marcos?

The top three means of transportation people in San Marcos use to get to work are: car, walking and bus or trolley bus. A total of 30,222 residents commute by car, 1,738 prefer going to work by walking and 322 by bus or trolley bus
Y-o-Y Change
Car 30,222 6.2%
Bus or TrolleyBus 322 9.2%
Bicycle 271 -19.1%
Motorcycle 125 -13.8%
TaxiCab 16 N/A
Walk 1,738 -8.4%

What is the median and average household income in San Marcos by zipcode?

ZipCode Population Number of Households Median Income Average Income
78666 86,530 33,173 $52,432.00 $68,664.00

Methodology & Disclaimers

Demographic data shown in this section was gathered from the latest U.S. Census Bureau release, the 2022 American Community Survey. The information is updated yearly, as soon as new data is made available by the US Census Bureau.
No representation, guarantee or warranty is made as to the accuracy or completeness of information modified or aggregated for specific neighborhoods and/or zip codes.