San Marcos

San Marcos is a municipality of Guerrero with 50,124 inhabitants according to the 2020 Census. Located at an altitude of 100 meters above sea level. The average years of schooling is 7.4 years.

Total Population
50,124
Inhabitants (Census 2020)
Men / Women
24,574 / 25,550
49% / 51%
Schools
0
182 public, 3 private
Health
34
2 hospitals, 32 centers
Localities
121
Communities and settlements
Companies
1,783
Registered establishments

Demographics of San Marcos

Demographic structure of San Marcos according to the 2020 INEGI Population and Housing Census. The population is composed of 14,955 people under 15 years old (29.8%), 30,028 people of working age (59.9%) and 5,134 elderly over 65 years old (10.2%).

0-14 years
14,955
29.8% of the population
15-64 years
30,028
59.9% - Working age
65+ years
5,134
10.2% - Elderly
Dependency Ratio
66.9%
Dependents per 100 working-age people

Age Pyramid of San Marcos

Age Group Men Women Total % of Total
0-4 years 2,282 2,298 4,580 9.1%
5-9 years 2,746 2,576 5,322 10.6%
10-14 years 2,545 2,508 5,053 10.1%
15-19 years 2,357 2,341 4,698 9.4%
20-24 years 1,903 1,912 3,815 7.6%
25-29 years 1,687 1,874 3,561 7.1%
30-34 years 1,457 1,696 3,153 6.3%
35-39 years 1,442 1,482 2,924 5.8%
40-44 years 1,302 1,369 2,671 5.3%
45-49 years 1,359 1,321 2,680 5.3%
50-54 years 1,223 1,321 2,544 5.1%
55-59 years 972 1,144 2,116 4.2%
60-64 years 906 960 1,866 3.7%
65-69 years 751 871 1,622 3.2%
70-74 years 545 630 1,175 2.3%
75-79 years 487 490 977 1.9%
80-84 years 310 386 696 1.4%
85+ years 297 367 664 1.3%

Cultural Diversity and Migration in San Marcos

Population Origin

Born in State
48,120
96%
Born in Another State
1,357
2.7%
Lived in Another State in 2015
580
Recent migration
Average Live Births
3
Per woman (12+ years)

Indigenous Population

Speaks Indigenous Language
535
1.1% of the population
Bilingual (Indigenous + Spanish)
515
96.3% of indigenous language speakers
Indigenous Monolingual
20
Does not speak Spanish
Indigenous Households
1,071
7.7% of total households

Afro-Mexican Population

Afro-Mexicans
9,548
19% of the population
Men / Women
4,634 / 4,914
Afro-Mexicans by sex

Disability

With Disability
3,473
6.9%
With Limitation
6,337
12.6%
Type of DisabilityPeople
Motor 1,771
Visual 1,461
Hearing 746
Speech 532
Mental 651

Education in San Marcos

Literacy and Schooling

In San Marcos, 5,226 people aged 15 and over can read and write (522600%), while 4,615 people have no schooling. The average years of schooling is 7.4 years (7.7 men, 7.2 women).

Education Level Men Women Total %
No schooling 1,907 2,708 4,615 461500%
Incomplete primary 2,492 2,873 5,365 536500%
Complete primary 2,634 2,796 5,430 543000%
Incomplete secondary 859 827 1,686 168600%
Complete secondary 3,921 3,910 7,831 783100%
Post-basic education (18+) 4,552 4,356 8,908 890800%

School Non-attendance

Age GroupNot Attending School
3-5 years512
6-11 years153
12-14 years228

Educational Facilities

The municipality has 0 educational facilities, of which 182 are public and 3 are private. View complete list of schools.

Education Level Public Private Total
Preescolar 60 0 60
Primaria 70 0 70
Secundaria 37 0 37
Media Superior 11 0 11
Superior 1 0 1

Employment and Social Security in San Marcos

In San Marcos, the Economically Active Population (EAP) is 22,181 people. Of those, 21,949 are employed and 232 are unemployed, representing an unemployment rate of 1%.

Total EAP
22,181
H: 14,392 / M: 7,789
Employed Population
21,949
H: 14,194 / M: 7,755
Unemployment Rate
1%
232 unemployed people
Economically Inactive
15,777
H: 3,979 / M: 11,798

Health Service Coverage

InstitutionBeneficiaries% of Population
With health coverage (total) 36,432 72.7%
IMSS 2,774 5.5%
ISSSTE 3,554 7.1%
ISSSTE estatal 56 0.1%
Pemex, Defensa o Marina 754 1.5%
Seguro Popular / INSABI 28,924 57.7%
IMSS Bienestar 314 0.6%
Private insurance 188 0.4%
Other institution 54 0.1%
Without health coverage 13,669 27.3%

Marital Status and Religion in San Marcos

Marital Status (Population 12+)

Married/Common-law
22,199
2219900%
Single
11,185
1118500%
Separated/Divorced/Widowed
4,806
480600%

Households

Total Households
13,959
3.6 average occupants
Male-headed
9,416
67.5%
Female-headed
4,543
32.5%

Religion

ReligionPeople%
Catholic 45,077 89.9%
Protestant / Evangelical Christian 2,550 5.1%
Other religions 9 0%
No religion 2,457 4.9%

Housing and Basic Services in San Marcos

San Marcos has 19,480 total dwellings, of which 13,960 are inhabited. The average number of occupants per dwelling is 3.6 people.

Housing Characteristics

CharacteristicDwellings%
Non-earthen floor 12,454 89.3%
Earthen floor 1,483 10.6%
1 bedroom 7,605 54.5%
2+ bedrooms 6,333 45.4%
1 room 2,931 21%
2 rooms 4,582 32.9%
3+ rooms 6,425 46.1%

Basic Services

With Electricity
98.6%
13,745 dwellings
Piped Water
82.8%
11,544 dwellings
With Drainage
78.8%
10,991 dwellings
All Services
68.5%
9,551 dwellings
ServiceDwellings%
With electricity 13,745 98.6%
Without electricity 193 1.4%
Public water network 11,544 82.8%
Hauled water 7,356 52.7%
Other water source 2,394 17.2%
With water tank 5,954 42.7%
With cistern 3,731 26.8%
With toilet 10,984 78.8%
With latrine 210 1.5%
With drainage 10,991 78.8%
Without drainage 2,945 21.1%
With all services 9,551 68.5%
Without water, drainage or electricity 84 0.6%

Goods and Technology in San Marcos

Household equipment in San Marcos according to the 2020 Census. 11.9% of dwellings have internet and 66% have a cell phone.

Appliances

ItemDwellings%
Refrigerator 11,179 80.2%
Washing machine 5,237 37.5%
Microwave oven 1,737 12.5%

Vehicles

VehicleDwellings%
Car or truck 3,165 22.7%
Motorcycle 1,581 11.3%
Bicycle 2,371 17%

Information and Communication Technology (ICT)

TechnologyDwellings%
Television 11,435 82%
Radio 5,514 39.5%
Landline phone 3,619 25.9%
Cell phone 9,203 66%
Computer 1,145 8.2%
Internet 1,666 11.9%
Pay TV 3,646 26.1%
Streaming platforms 160 1.1%
Video game console 115 0.8%

Technology Deprivation

No Radio or TV
1,991
14.3%
No Landline or Cell Phone
3,164
22.7%
No Computer or Internet
11,830
84.8%
No ICT at All
1,026
7.4%

Companies and Economy in San Marcos

The main economic sectors of San Marcos are Comercio al por menor with 860 establishments, followed by Servicios de alojamiento y preparación de alimentos. View complete business statistics.

Poverty and Social Development in San Marcos

According to CONEVAL indicators for 2015, San Marcos has a poverty rate of 57.4% and extreme poverty of 12.5%.

Poverty
57.4%
45,027 people
Extreme Poverty
12.5%
9,804 people
Vulnerable by Deprivations
40.8%
32,008 people
Vulnerable by Income
0.4%
352 people
Not Poor or Vulnerable
1.4%
1,076 people

Social Deprivations (CONEVAL 2015)

Deprivation%People
Educational lag 29.6% 23,218
Lack of access to health services 12% 9,402
Lack of access to social security 86.5% 67,901
Lack of housing quality and spaces 37.6% 29,491
Lack of access to basic housing services 81.3% 63,815
Lack of access to food 53.2% 41,724
Income below welfare line 57.8% 45,379
Income below minimum welfare line 17.3% 13,547

Poverty Trends

Year Poverty Extreme Poverty Vulnerable Deprivations Not Poor Gini
2010 80.7% 38% 16.8% 1.9% 0
2015 57.4% 12.5% 40.8% 1.4% 0

Crime in San Marcos

In the last 12 months, 210 crimes were recorded in San Marcos. View detailed crime statistics.

PeriodTotal Crimes
2025/12 21
2025/11 14
2025/10 14
2025/09 16
2025/08 13
2025/07 21
2025/06 12
2025/05 13
2025/04 26
2025/03 24
2025/02 20
2025/01 16

Health in San Marcos

San Marcos has 34 health facilities, including 2 hospitals, 32 health centers and 0 clinics. View complete list of health facilities.

Main Localities of San Marcos

Locality Population Altitude (m)
San Marcos 13,650 86
Las Vigas 4,762 55
Las Mesas 2,803 420
Las Cruces 1,711 422
Llano Grande 1,337 320
Llano de la Puerta 1,262 72
El Cortés 1,159 81
Rancho Viejo 1,035 372
Las Minas 965 113
Estero Verde 932 7