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 Limitation
1,438
9.2%
| Type of Disability | People |
| 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 Group | Not Attending School |
| 3-5 years | 233 |
| 6-11 years | 121 |
| 12-14 years | 138 |
Educational Facilities
The municipality has 0 educational facilities,
of which 42 are public and
0 are private.
View complete list of schools.
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
| Institution | Beneficiaries | % 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%
Separated/Divorced/Widowed
899
89900%
Households
Total Households
3,897
4 average occupants
Religion
| Religion | People | % |
| 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
| Characteristic | Dwellings | % |
| 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
| Service | Dwellings | % |
| 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
| Item | Dwellings | % |
| Refrigerator |
1,156 |
29.7% |
| Washing machine |
315 |
8.1% |
| Microwave oven |
75 |
1.9% |
Vehicles
| Vehicle | Dwellings | % |
| Car or truck |
114 |
2.9% |
| Motorcycle |
101 |
2.6% |
| Bicycle |
488 |
12.5% |
Information and Communication Technology (ICT)
| Technology | Dwellings | % |
| 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 Landline or Cell Phone
2,161
55.5%
No Computer or Internet
3,392
87.1%
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.
| Period | Total 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 |
Main Localities of San Mateo del Mar
Similar Municipalities to San Mateo del Mar
Other municipalities in Oaxaca with similar characteristics: