San Mateo del Mar

San Mateo del Mar is a municipality of Oaxaca with 15,571 inhabitants according to the 2020 Census. Located at an altitude of 8 meters above sea level. The average years of schooling is 6.6 years.

Total Population
15,571
Inhabitants (Census 2020)
Men / Women
7,791 / 7,780
50% / 50%
Schools
0
42 public, 0 private
Health
11
0 hospitals, 8 centers
Localities
14
Communities and settlements
Companies
773
Registered establishments

Demographics of San Mateo del Mar

Demographic structure of San Mateo del Mar according to the 2020 INEGI Population and Housing Census. The population is composed of 5,125 people under 15 years old (32.9%), 9,326 people of working age (59.9%) and 1,120 elderly over 65 years old (7.2%).

0-14 years
5,125
32.9% of the population
15-64 years
9,326
59.9% - Working age
65+ years
1,120
7.2% - Elderly
Dependency Ratio
67%
Dependents per 100 working-age people

Age Pyramid of San Mateo del Mar

Age Group Men Women Total % of Total
0-4 years 813 787 1,600 10.3%
5-9 years 900 823 1,723 11.1%
10-14 years 959 843 1,802 11.6%
15-19 years 765 780 1,545 9.9%
20-24 years 582 601 1,183 7.6%
25-29 years 571 554 1,125 7.2%
30-34 years 467 565 1,032 6.6%
35-39 years 447 475 922 5.9%
40-44 years 422 459 881 5.7%
45-49 years 420 443 863 5.5%
50-54 years 354 340 694 4.5%
55-59 years 306 312 618 4%
60-64 years 239 224 463 3%
65-69 years 194 198 392 2.5%
70-74 years 136 152 288 1.8%
75-79 years 110 124 234 1.5%
80-84 years 57 64 121 0.8%
85+ years 49 36 85 0.5%

Cultural Diversity and Migration in San Mateo del Mar

Population Origin

Born in State
15,461
99.3%
Born in Another State
108
0.7%
Lived in Another State in 2015
141
Recent migration
Average Live Births
2.8
Per woman (12+ years)

Indigenous Population

Speaks Indigenous Language
14,034
90.1% of the population
Bilingual (Indigenous + Spanish)
11,993
85.5% of indigenous language speakers
Indigenous Monolingual
1,998
Does not speak Spanish
Indigenous Households
15,538
398.7% of total households

Afro-Mexican Population

Afro-Mexicans
196
1.3% of the population
Men / Women
95 / 101
Afro-Mexicans by sex

Disability

With Disability
781
5%
With Limitation
1,438
9.2%
Type of DisabilityPeople
Motor 387
Visual 339
Hearing 168
Speech 118
Mental 120

Education in San Mateo del Mar

Literacy and Schooling

In San Mateo del Mar, 1,971 people aged 15 and over can read and write (197100%), while 1,863 people have no schooling. The average years of schooling is 6.6 years (7.1 men, 6.1 women).

Education Level Men Women Total %
No schooling 630 1,233 1,863 186300%
Incomplete primary 773 702 1,475 147500%
Complete primary 1,038 1,034 2,072 207200%
Incomplete secondary 257 182 439 43900%
Complete secondary 1,127 1,050 2,177 217700%
Post-basic education (18+) 1,128 955 2,083 208300%

School Non-attendance

Age GroupNot Attending School
3-5 years233
6-11 years121
12-14 years138

Educational Facilities

The municipality has 0 educational facilities, of which 42 are public and 0 are private. View complete list of schools.

Education Level Public Private Total
Preescolar 15 0 15
Primaria 16 0 16
Secundaria 4 0 4
Media Superior 1 0 1

Employment and Social Security in San Mateo del Mar

In San Mateo del Mar, the Economically Active Population (EAP) is 4,754 people. Of those, 4,265 are employed and 489 are unemployed, representing an unemployment rate of 10.3%.

Total EAP
4,754
H: 3,368 / M: 1,386
Employed Population
4,265
H: 2,934 / M: 1,331
Unemployment Rate
10.3%
489 unemployed people
Economically Inactive
6,691
H: 2,285 / M: 4,406

Health Service Coverage

InstitutionBeneficiaries% of Population
With health coverage (total) 13,083 84%
IMSS 365 2.3%
ISSSTE 432 2.8%
ISSSTE estatal 8 0.1%
Pemex, Defensa o Marina 131 0.8%
Seguro Popular / INSABI 12,137 77.9%
IMSS Bienestar 21 0.1%
Private insurance 8 0.1%
Other institution 34 0.2%
Without health coverage 2,485 16%

Marital Status and Religion in San Mateo del Mar

Marital Status (Population 12+)

Married/Common-law
6,749
674900%
Single
3,848
384800%
Separated/Divorced/Widowed
899
89900%

Households

Total Households
3,897
4 average occupants
Male-headed
3,155
81%
Female-headed
742
19%

Religion

ReligionPeople%
Catholic 8,856 56.9%
Protestant / Evangelical Christian 5,140 33%
Other religions 9 0.1%
No religion 1,565 10.1%

Housing and Basic Services in San Mateo del Mar

San Mateo del Mar has 4,386 total dwellings, of which 3,898 are inhabited. The average number of occupants per dwelling is 4 people.

Housing Characteristics

CharacteristicDwellings%
Non-earthen floor 2,014 51.7%
Earthen floor 1,853 47.6%
1 bedroom 2,123 54.5%
2+ bedrooms 1,744 44.8%
1 room 1,697 43.6%
2 rooms 1,222 31.4%
3+ rooms 948 24.3%

Basic Services

With Electricity
83.6%
3,255 dwellings
Piped Water
37.8%
1,470 dwellings
With Drainage
72.8%
2,833 dwellings
All Services
30.2%
1,175 dwellings
ServiceDwellings%
With electricity 3,255 83.6%
Without electricity 612 15.7%
Public water network 1,470 37.8%
Hauled water 1,074 27.6%
Other water source 2,397 61.6%
With water tank 662 17%
With cistern 487 12.5%
With toilet 2,775 71.3%
With latrine 167 4.3%
With drainage 2,833 72.8%
Without drainage 1,034 26.6%
With all services 1,175 30.2%
Without water, drainage or electricity 328 8.4%

Goods and Technology in San Mateo del Mar

Household equipment in San Mateo del Mar according to the 2020 Census. 9.9% of dwellings have internet and 43.3% have a cell phone.

Appliances

ItemDwellings%
Refrigerator 1,156 29.7%
Washing machine 315 8.1%
Microwave oven 75 1.9%

Vehicles

VehicleDwellings%
Car or truck 114 2.9%
Motorcycle 101 2.6%
Bicycle 488 12.5%

Information and Communication Technology (ICT)

TechnologyDwellings%
Television 1,780 45.7%
Radio 1,433 36.8%
Landline phone 81 2.1%
Cell phone 1,688 43.3%
Computer 214 5.5%
Internet 384 9.9%
Pay TV 72 1.8%
Streaming platforms 4 0.1%
Video game console 2 0.1%

Technology Deprivation

No Radio or TV
1,596
41%
No Landline or Cell Phone
2,161
55.5%
No Computer or Internet
3,392
87.1%
No ICT at All
1,208
31%

Companies and Economy in San Mateo del Mar

The main economic sectors of San Mateo del Mar are Comercio al por menor with 334 establishments, followed by Industrias manufactureras. View complete business statistics.

Poverty and Social Development in San Mateo del Mar

According to CONEVAL indicators for 2015, San Mateo del Mar has a poverty rate of 93% and extreme poverty of 63.9%.

Poverty
93%
14,218 people
Extreme Poverty
63.9%
9,774 people
Vulnerable by Deprivations
6.2%
952 people
Vulnerable by Income
0.3%
46 people
Not Poor or Vulnerable
0.5%
80 people

Social Deprivations (CONEVAL 2015)

Deprivation%People
Educational lag 32.4% 4,962
Lack of access to health services 9.7% 1,476
Lack of access to social security 89.2% 13,639
Lack of housing quality and spaces 82.7% 12,643
Lack of access to basic housing services 94% 14,380
Lack of access to food 29.3% 4,480
Income below welfare line 93.3% 14,264
Income below minimum welfare line 70.1% 10,726

Poverty Trends

Year Poverty Extreme Poverty Vulnerable Deprivations Not Poor Gini
2010 85.4% 46.5% 13.5% 1% 0
2015 93% 63.9% 6.2% 0.5% 0

Crime in San Mateo del Mar

In the last 12 months, 18 crimes were recorded in San Mateo del Mar. View detailed crime statistics.

PeriodTotal Crimes
2025/12 1
2025/11 1
2025/09 3
2025/08 1
2025/07 1
2025/06 2
2025/05 2
2025/04 1
2025/02 1
2025/01 2
2024/12 2
2024/11 1

Health in San Mateo del Mar

San Mateo del Mar has 11 health facilities, including 0 hospitals, 8 health centers and 0 clinics. View complete list of health facilities.

Main Localities of San Mateo del Mar