San Marcos, Texas Population 2024

72,686
020K40K60K80K191019201930194019501960197019801990200020102020YearPopulation

San Marcos Demographics

According to the most recent ACS, the racial composition of San Marcos was:

  • White: 63.32%
  • Two or more races: 19.98%
  • Other race: 8.23%
  • Black or African American: 5.64%
  • Asian: 2.14%
  • Native American: 0.62%
  • Native Hawaiian or Pacific Islander: 0.07%
State
Texas
Land Area (mi²)
38.9 sq mi
Density (mi²)
1,869.90/sq mi
Growth Since 2020
6.55% (4,469)
The current population of San Marcos, Texas is 72,686 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 68,217.

Population by Race

Race
Population
Percentage (of total)
White43,64363.32%
Two or more races13,76819.98%
Other race5,6738.23%
Black or African American3,8905.64%
Asian1,4742.14%
Native American4270.62%
Native Hawaiian or Pacific Islander450.07%
63.32%19.98%8.23%5.64%Race

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

San Marcos Population by Race

San Marcos Population Pyramid 2024

0102030405060708011K10K9K8K7K6K5K4K3K2K1K001K2K3K4K5K6K7K8K9K10K11KMaleFemale

San Marcos Median Age

25.5

Total

26.1

Male

24.8

Female

San Marcos Adults

There are 60,406 adults, (7,367 of whom are seniors) in San Marcos.

San Marcos Age Dependency

29.9

Age Dependency Ratio

13.9

Old Age Dependency Ratio

16.1

Child Dependency Ratio

San Marcos Sex Ratio

Female36,58353.08%
Male32,33746.92%

San Marcos Population by Age

San Marcos Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All27,6062.2530.569.5
Non Family15,6021.7116.683.4
Married7,9362.955941
Female3,0743.1227.172.9
Male9942.6130.969.1

2.83

Average Family Size

2.25

Average Household Size

30.5%

Rate of Home Ownership

28.75%11.14%56.52%Households by Type

Married

Male

Female

NonFamily

MarriedMaleAllFemaleNon Family00.10.20.30.40.50.60.70.80.91

owner

renter

San Marcos Households and Families

Less Than 9th Grade9th to 12th GradeHigh School GraduateSome CollegeAssociates DegreeBachelors DegreeGraduate Degree01K2K3K4K

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,5894.46%
Associates Degree2,5607.19%
Bachelors Degree7,83021.99%
Graduate Degree5,44815.3%
High School Graduate8,27723.25%
Less Than 9th Grade1,6564.65%
Some College8,24323.15%
23.25%23.15%7.19%21.99%15.3%Over 25 Education

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

San Marcos Educational Attainment by Sex (over 25)

San Marcos Educational Attainment by Race

IslanderWhiteOther RaceBlackNative American2+ RacesAsianHispanic0%20%40%60%80%100%

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White16,29916,0408,316
Hispanic15,02012,3203,091
2+ Races7,4876,2451,906
Other Race3,4073,0371,366
Black1,3671,203313
Asian571474253
Native American30526167
Islander18180

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 51.02%.

San Marcos Educational Attainment by Race

OverallLess Than 9th GradeHigh School GraduateSome CollegeBachelors DegreeGraduate Degree$0$20,000$40,000$60,000$80,000

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$46,940$53,359$42,369
Graduate Degree$59,257$70,950$55,135
High School Graduate$30,855$38,588$24,181
Less Than 9th Grade$33,795$40,179$18,833
Overall$39,076$40,999$34,607
Some College$33,366$34,982$27,861

$39,076

Average Earnings

$40,999

Average Male

$34,607

Average Female

San Marcos Earnings by Educational Attainment

San Marcos Language by Age

73.58%23.11%Languages

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

San Marcos Language

73.58% of San Marcos residents speak only English, while 26.42% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 23.11% of the population.

San Marcos Language

San Marcos Poverty by Race

BlackAsianWhiteOtherHispanicMultipleNative0%5%10%15%20%25%30%35%40%45%50%

rate

Name
Total
In Poverty
Poverty Rate
White28,6308,31229.03%
Hispanic26,8845,80021.57%
Multiple12,7562,11516.58%
Other5,4631,36124.91%
Black2,5611,16445.45%
Asian98832933.3%
Native403102.48%

26.7%

Overall Poverty Rate

20.97%

Male Poverty Rate

31.89%

Female Poverty Rate

Poverty in San Marcos

The race most likely to be in poverty in San Marcos is Black, with 45.45% below the poverty level.

The race least likely to be in poverty in San Marcos is Native, with 2.48% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 6.47%. Among those working part-time, it was 41.39%, and for those that did not work, the poverty rate was 38.24%.

San Marcos Poverty

Less Than 9th GradeHigh SchoolSome CollegeBachelors or Greater0%2%4%6%8%10%12%14%16%18%20%22%24%

rate

Rate
Poverty
Some College22.53%
Less Than 9th Grade20.39%
High School19.37%
Bachelors or Greater7.28%

San Marcos Poverty Rate by Education

Male EmployedMale UnemployedFemale EmployedFemale Unemployed0%5%10%15%20%25%30%35%40%45%50%55%60%65%

rate

Rate
Poverty
Male Unemployed61.54%
Female Unemployed29.38%
Female Employed25.78%
Male Employed14.44%

San Marcos Poverty Rate by Employment Status and Sex

San Marcos Income by Household Type

Under10k10kTo15k15kTo25k25kTo35k35kTo50k50kTo75k75kTo100k100kTo150k150kTo200kOver200k0510152025

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$63,670$83,378
Households$51,030$63,872
Married Families$83,801$-999,999,999
Non Families$35,997$46,506
HouseholdsFamiliesMarried FamiliesNon Families020,00040,00060,00080,000

mean

median

Income by Household Type

San Marcos Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

28.2%

Overall Marriage Rate

30.1%

Male Marriage Rate

26.6%

Female Marriage Rate

San Marcos Married by Age and Sex

45-5455-6435-44Over 6520-3415-190102030405060

male

female

San Marcos Marriage

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 45-54.

San Marcos Marital Status by Race

TwoOrMoreRacesHispanicWhiteNonHispanicWhiteOtherRaceAsianIndianBlackHawaiian0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

San Marcos Marital Status

33.69%21.71%41.25%Veterans by War

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,587

Number of Veterans

2,466

Male Veterans

121

Female Veterans

War
Veterans
Vietnam971
Second Gulf War793
First Gulf War511
Korea72
World War II7

San Marcos Veterans by War

18 to 3435 to 5455 to 6465 to 7475+050100150200250300350400450500550600650700

count

Age Group
Veterans
65 to 74695
35 to 54652
75+605
18 to 34369
55 to 64266

San Marcos Veterans by Age

WhiteHispanicOther Race2+ RacesBlackNative AmericanAsian02004006008001,0001,2001,4001,6001,800

count

Name
Veterans
% of Total
White1,6824.36%
Hispanic7813.3%
Other Race4148.18%
2+ Races3112.72%
Black1504.48%
Native American174.51%
Asian130.94%

San Marcos Veterans by Race

San Marcos Veterans by Education

5.13%14.41%37.82%42.64%Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.7%

Veteran Poverty Rate

28.75%

Veteran Disability Rate

San Marcos Veterans by Education

16 - 1920 - 2425 - 2930 - 3435 - 4445 - 5455 - 5960 - 6465 - 7475+0102030405060708090

LaborForceParticipation

67.1%

Labor Force Participation

62.7%

Employment Rate

6.1%

Unemployment Rate

San Marcos Employment by Age

Native AmericanHispanic2+ RacesIslanderAsianWhiteWhite Non-HispanicOther RaceBlack01020304050607080

LaborForceParticipation

San Marcos Employment by Race

Less Than High SchoolHigh School GraduateSome CollegeBachelors or Greater0102030405060708090

LaborForceParticipation

San Marcos Employment by Education

Origin of Non-Citizens

8.61%24.32%62.82%Origin

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.

Origin of Naturalized Citizens

26.97%62.19%Origin

Europe

Asia

Africa

Oceania

Latin America

North America

68.93%

Born in San Marcos

91.75%

Native Born

8.25%

Foreign Born

4.89%

Non Citizen

3.36%

Naturalized

Place of Birth

91.75% of San Marcos residents were born in the United States, with 68.93% having been born in Texas. 4.89% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

San Marcos Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202978,2721,1171.45%
202877,1551,1171.47%
202776,0381,1181.49%
202674,9201,1171.51%
202573,8031,1171.54%
202472,6861,1171.56%
202371,5691,1841.68%
202270,3851,0531.52%
202169,3321,1151.63%
202068,2173,4655.35%
201964,7529501.49%
201863,8021860.29%
201763,6161,8342.97%
201661,7821,3162.18%
201560,4661,4692.49%
201458,9974,5888.43%
201354,4094,3998.8%
201250,0102,3224.87%
201147,6882,4305.37%
201045,25800%
200034,7335,99020.84%
199028,7435,32322.73%
198023,4204,56024.18%
197018,8606,14748.35%
196012,7132,73327.38%
19509,9803,97466.17%
19406,00687216.98%
19305,13460713.41%
19204,52745611.2%
19104,071-74,201-94.8%

San Marcos Population by Year