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CITY · 2020 ACS

San Marcos

Texas · 67,553 residents · 38.871 sq mi
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The short version

San Marcos has notably lower household income than the US average, with a median household income of $42,030. The city has grown rapidly, with population up 94% since 2000. Median home value has more than doubled since 2000, reaching $185,300. At a median age of 23.7, residents skew younger than the country as a whole. The poverty rate of 28.9% is well above the national figure. Households here earn about 34% less than the Texas median.

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

Total population
67,553
+94%since 2000
from 34,733 in 2000
1990 – 2025
Median age
23.7
+2%since 2000
from 23.3 in 2000
US average: 38.8
Population, 1990 – 2024
25K37K50K62K75K1990201020202024San Marcos
202471K
1990201020202024
Age distribution, 2020
Under 54.7%(3,202)
US avg: 5.6%
5 to 94.2%(2,816)
US avg: 6.1%
10 to 144%(2,695)
US avg: 6.5%
15 to 1914.3%(9,651)
US avg: 6.6%
20 to 2427.5%(18,553)
US avg: 6.7%
25 to 3416.5%(11,146)
US avg: 13.5%
35 to 448.5%(5,729)
US avg: 12.7%
45 to 546.4%(4,297)
US avg: 12.3%
55 to 646%(4,040)
US avg: 13.1%
65 to 744.7%(3,199)
US avg: 10%
75 to 842.3%(1,554)
US avg: 4.9%
85 and over1%(671)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$42,030
+8%inflation adjusted, since 2000
from $25,809 in 2000
US average: $66,278
1990 – 2024
Per capita income
$21,920
+63%since 2000
from $13,468 in 2000
US average: $35,364
Households earning $100K+
21.6%
+7.8 ptssince 2009
from 13.8% in 2009
US average: 43.9%
Poverty rate
28.9%
+0.4 ptssince 2000
from 28.5% in 2000
US average: 12.8%
Workforce by industry, 2020
Information15.4%
US avg: 11.1%
Finance & insurance6.1%
US avg: 5.5%
Retail trade5.4%
US avg: 10%
Professional, scientific, technical5.3%
US avg: 4.7%
Wholesale trade5.1%
US avg: 6.7%
Other services4.1%
US avg: 6.6%
Arts, entertainment, food2.3%
US avg: 2%
Public administration2.2%
US avg: 4.7%
Transportation & warehousing1.3%
US avg: 2.5%
Agriculture, forestry, fishing0.9%
US avg: 1.7%
Education & health services0.9%
US avg: 0.8%
Manufacturing0.9%
US avg: 0.5%
Construction0.1%
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$185,300
+62%inflation adjusted, since 2000
from $76,000 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,099
+18%inflation adjusted, since 2000
from $622 in 2000
US average: $1,124
Owner-occupied
25.8%
−4.4 ptssince 2000
from 30.2% in 2000
74.2% rent
Afford Score
4.4
Unchangedsince 2009
from 4.4 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in San Marcos on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic55.2%(19,165)
Black5.4%(1,860)
Hispanic / Latino36.5%(12,676)
Asian1.2%(418)
Other0%
2020
White, non-Hispanic42.2%(28,505)
Black6.6%(4,463)
Hispanic / Latino40.6%(27,440)
Asian2.9%(1,930)
Other4.3%(2,898)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican34.9%(22,383)
Central American2.3%(1,501)
Salvadoran1.7%(1,091)
Puerto Rican1.3%(838)
Spaniard0.4%(263)
Honduran0.4%(242)
Peruvian0.2%(130)
Nicaraguan0.2%(116)
Cuban0.2%(105)
Colombian0.1%(77)
Venezuelan0.1%(68)
+ 6 more hispanic origin groups with data
Ecuadorian0.1%(66)
Chilean0.1%(57)
Dominican0%(16)
Asian origin
Asian Indian0.9%(589)
Filipino0.7%(438)
Chinese0.5%(311)
Vietnamese0.2%(142)
Korean0.1%(93)
Japanese0.1%(73)
Taiwanese0.1%(45)
Thai0%(18)
Nepalese0%(14)
Pacific Islander origin
Chamorro0%(28)
Ancestry
German12.1%(7,764)
Irish7.3%(4,685)
English6.1%(3,901)
Italian2.2%(1,434)
French2.2%(1,403)
American2%(1,272)
Scottish1.6%(1,009)
Polish1.5%(969)
Scotch-Irish0.8%(534)
Czech0.7%(461)
Swedish0.7%(445)
Norwegian0.7%(438)
+ 33 more ancestry groups with data
Dutch0.6%(412)
Iranian0.6%(392)
British0.6%(366)
Russian0.5%(291)
Welsh0.3%(167)
Lebanese0.2%(158)
Greek0.2%(156)
Danish0.2%(119)
Portuguese0.1%(92)
Belgian0.1%(78)
Nigerian0.1%(77)
Finnish0.1%(74)
Armenian0.1%(64)
Austrian0.1%(63)
West Indian0.1%(62)
Turkish0.1%(58)
Palestinian0.1%(48)
Arab0.1%(44)
Syrian0.1%(44)
Ukrainian0.1%(44)
Jamaican0.1%(42)
Romanian0.1%(34)
Lithuanian0.1%(33)
Canadian0%(30)
Hungarian0%(30)
Slovak0%(28)
Swiss0%(28)
Iraqi0%(25)
Croatian0%(23)
Haitian0%(15)
RANKED:Largest Mexican population · Largest German population · Largest Irish population · Largest English population · Largest Central American population
Section 05

Education

Bachelor's degree or higher
34.6%
+5.6 ptssince 2000
from 29.0% in 2000
US average: 32.9%
High school or higher
90.1%
+10.6 ptssince 2000
from 79.5% in 2000
US average: 88.5%
Graduate degree
11.8%
+0.7 ptssince 2000
from 11.0% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
22.5 min
+43%since 2000
from 15.7 min in 2000
US average: 26.9
Drive alone to work
74.7%
−2.5 ptssince 2009
from 77.2% in 2009
US average: 75.1%
No vehicle available
6.1%
−0.7 ptssince 2009
from 6.8% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
7.4%
−2.7 ptssince 2011
from 10.1% in 2011
US average: 5.4%
Labor force participation
65.7%
+6.4 ptssince 2011
from 59.3% in 2011
US average: 63.4%
Management & professional
31.3%
−29.9 ptssince 2009
from 61.3% in 2009
US average: 39.3%
Section 08

People & community

Male
47.0%
−2.5 ptssince 2009
from 49.5% in 2009
Female
53.0%
+2.5 ptssince 2009
from 50.5% in 2009
Foreign born
9.0%
+3.4 ptssince 2009
from 5.6% in 2009
US average: 13.5%
Uninsured
16.8%
−59.8 ptssince 2013
from 76.6% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married58.5%(16,756)
Married31.6%(9,045)
Widowed1.3%(359)
Divorced8.6%(2,462)
Women 15+
Never married59.6%(20,571)
Married26.6%(9,168)
Widowed4%(1,377)
Divorced9.9%(3,410)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Compare San Marcos to nearby cities

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Income$90,323+115%
Home value$334,600+81%
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SAN MARCOS VS
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Income$68,400+63%
Home value$251,600+36%
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SAN MARCOS VS
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Income$123,766+194%
Home value$446,600+141%
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SAN MARCOS VS
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Income$86,021+105%
Home value$339,400+83%
Population122,492+57%
SEE FULL COMPARISON →
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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →