# San Martín Municipality, Cesar Department – Villages & Map

> Source: https://wherepedia.org/colombia/cesar/san-martin/

Municipality · Cesar Department 

# San Martín

San Martín is a municipality of Colombia in Cesar Department. It had an estimated **31,018 people** in 2025 on 994 km² (about 31 per km²). Its main town is San Martín. 37 named villages and localities are recorded here, and 20 mapped services such as hospitals, banks and schools.

- 31,018people (2025)
- 994km²
- 20mapped services
- 88 mtypical elevation

## How many people live in San Martín?

San Martín had an estimated **31,018 people** in 2025 — 2.2% of Cesar Department, 269th of 1121 municipalities. There are 972 women for every 1,000 men (below the Cesar Department figure of 1,027). Spread over 994 km², that is about **31 people per km²**, 714th of 1121 municipalities.

26.9% of people are children under 15 and 6.0% are 65 or older; the median age is about 28 years (it is 28 across Cesar Department). For every 100 people of working age (15–64) there are 49 children and older people.

0–4 ****2,591**

5–9 ****2,822**

10–14 ****2,913**

15–19 ****2,908**

20–24 ****2,766**

25–29 ****2,578**

30–34 ****2,437**

35–39 ****2,318**

40–44 ****2,197**

45–49 ****1,920**

50–54 ****1,540**

55–59 ****1,212**

60–64 ****933**

65–69 ****681**

70–74 ****503**

75–79 ****344**

80–84 ****195**

85–89 ****89**

90–94 ****41**

95+ ****21**

Source: [Departamento Administrativo Nacional de Estadística (DANE) via OCHA HDX, population 2025 (COD-PS, CC BY-IGO)](https://data.humdata.org/dataset/cod-ps-col).

## Where is San Martín?

San Martín lies in [Cesar Department](https://wherepedia.org/colombia/cesar/), [Colombia](https://wherepedia.org/colombia/). It borders 8 other municipalities: [Aguachica](https://wherepedia.org/colombia/cesar/aguachica/), [La Esperanza](https://wherepedia.org/colombia/norte-de-santander/la-esperanza/), [Ocaña](https://wherepedia.org/colombia/norte-de-santander/ocana/), [Puerto Wilches](https://wherepedia.org/colombia/santander/puerto-wilches/), [Rionegro](https://wherepedia.org/colombia/santander/rionegro/), [Río de Oro](https://wherepedia.org/colombia/cesar/rio-de-oro/), [San Alberto](https://wherepedia.org/colombia/cesar/san-alberto/) and [Ábrego](https://wherepedia.org/colombia/norte-de-santander/abrego/). By area it is the 201st largest of 1,122 municipalities in Colombia. It covers 4.4% of [Cesar Department](https://wherepedia.org/colombia/cesar/). The centre of San Martín is about 374 km in a straight line from Bogotá, the capital. It is about 284 km from Valledupar, the main town of Cesar Department. The centre point is at 7.9309° N, 73.5599° W.

Source: [Departamento Administrativo Nacional de Estadística (DANE) via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-col).

## Know before you go: San Martín

- Time zoneUTC−5, no daylight saving · America/Bogota
- CurrencyPeso (COP)
- Country calling code+57
- LanguagesSpanish
- Plug typesType A, B · 110 V
- Driving sideRight
- Postcode format6 digits (######)

### Nearest airports

- Palonegro Airport (BGA) · Bucaramanga99 km
- Yariguíes Airport (EJA) · Barrancabermeja104 km

### Nearest railway station

San Rafael (Rionegro), about 36 km from the centre.

### Daylight

Days are longest in Jun (about 12.6 hours, sunrise around 05:36) and shortest in Dec (about 11.7 hours, sunrise around 05:59, sunset around 17:39).

Source: [GeoNames country and time-zone files (CC BY 4.0)](https://www.geonames.org/); [Wikidata (CC0) — plug types, mains voltage, driving side; retrieved 2026-11-02](https://www.wikidata.org/); [OurAirports (public domain)](https://ourairports.com/data/).

Airports with scheduled passenger flights; straight-line distances. Daylight is calculated for the 15th of each month in local standard time. Check entry and visa rules with official government sources before travelling.

## Villages and localities in San Martín

Open gazetteers list **37 villages, towns and localities** in San Martín. The largest with a recorded population: San Martín (20,452). Settlements here lie between about 39 m and 1,078 m above sea level (median 88 m).

- Aguas Blancas
- Aguas Negras
- Altamira
- Candelia
- Chocoviejo
- Cuatro Bocas
- El Cacao
- El Chocó
- El Darién
- El Oasis
- El Reposo
- El Tirol
- Hacienda Palestina
- Icotea
- La Curva
- La Esperanza
- La Huila
- La Primavera
- La Union
- Las Flores
- Las Pavas
- Los Bagres
- Los Fiques
- Puerto Caimán
- Puerto Leticia
- Puerto Oculto
- San Andrés
- San Cayetano
- San Lucía
- San Martín
- San Pedro
- San Román
- Santa Inés
- Santa Paula
- Terraplen
- Tisquerama
- Torcoroma

Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/); [© OpenStreetMap contributors (ODbL), Geofabrik extract — named settlements](https://www.openstreetmap.org/copyright).

## Landscape and landmarks of San Martín

Named natural and historic features inside San Martín, from the GeoNames gazetteer.

### Water

29 rivers and streams; 9 lakes.

- Caño Corinto
- Caño Frío
- Caño Helenea
- Caño La Icotea
- Caño Largo
- Caño Playoncito
- Caño de Piedras
- Caño el Caraño
- Ciénaga Chocoviejo
- Ciénaga Culebra
- Ciénaga Juan Díaz
- Ciénaga Limpia
- Ciénaga Limpiu
- Ciénaga Los Estopos
- Ciénaga de Pita
- Ciénaga de la Salina
- Ciénaga del Medio
- Quebrad Ciamán
- Quebrada Aguablanca
- Quebrada Aguas Calientes
- Quebrada El Socorro
- Quebrada Guarumal
- Quebrada La Dorada
- Quebrada La Mica

…and 14 more.

### Hills and mountains

2 hills.

- Alto de Las Rojas · 782 m
- Alto Motoso · 68 m

### Getting around

2 airfields.

- Caño La Pola
- Santa Helena

Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/).

Places of worship are not listed. Elevations are from the GeoNames terrain model and are approximate.

## Weather in San Martín and the best time to visit

In San Martín, the warmest month is Feb (average 28 °C) and the coolest is Nov (25 °C). About 1,283 mm of rain falls in a year; the wettest month is Oct (165 mm) and the driest Jan (40 mm). The most comfortable months for a visit are **December to January and June to September**.

- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec

Month Average °C Rain mm 

Jan 27 40 

Feb 28 46 

Mar 28 95 

Apr 27 129 

May 26 143 

Jun 27 99 

Jul 27 108 

Aug 27 117 

Sep 26 112 

Oct 25 165 

Nov 25 151 

Dec 26 75 

Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/).

## Nearest hospital, bank and fuel from San Martín

Need Nearest mapped Distance 

Hospital Hospital Local Alvaro Ramirez Gonzalez ESE · San Martín 9.3 km [Map](https://www.openstreetmap.org/?mlat=7.99700&mlon=-73.50760#map=17/7.99700/-73.50760) 

Bank San Martín Cesar | Banco de Bogotá · San Martín 9.5 km [Map](https://www.openstreetmap.org/?mlat=8.00245&mlon=-73.51320#map=17/8.00245/-73.51320) 

Petrol pump La Colorada · San Martín 8.9 km [Map](https://www.openstreetmap.org/?mlat=7.99122&mlon=-73.50646#map=17/7.99122/-73.50646) 

Hotel Hotel Mónaco · San Martín 7.2 km [Map](https://www.openstreetmap.org/?mlat=7.87372&mlon=-73.58973#map=17/7.87372/-73.58973) 

School Colegio · Río de Oro 19 km [Map](https://www.openstreetmap.org/?mlat=8.09846&mlon=-73.50843#map=17/8.09846/-73.50843) 

Police station Estación de Policia · Río de Oro 19 km [Map](https://www.openstreetmap.org/?mlat=8.09862&mlon=-73.50882#map=17/8.09862/-73.50882) 

Source: [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/).

Straight-line distance from the centre of the division, within 40 km.

## Hospitals, banks and other services in San Martín

Places mapped inside San Martín in open map data, by type — each number opens the full list with locations.

- Hospitals2
- Banks1
- Petrol pumps1
- Hotels8
- Schools1
- Restaurants5
- Dental clinics2

Source: [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/).

Coverage depends on what has been mapped; contact details are not shown.

## Other municipalities in Cesar Department

- Aguachica
- Agustín Codazzi
- Astrea
- Becerril
- Bosconia
- Chimichagua
- Chiriguaná
- Curumaní
- El Copey
- El Paso
- Gamarra
- González
- La Gloria
- La Jagua de Ibirico
- La Paz
- Manaure Balcón del Cesar
- Pailitas
- Pelaya
- Pueblo Bello
- Río de Oro
- San Alberto
- San Diego
- Tamalameque
- Valledupar

## Quick answers

- Where is San Martín?In Cesar Department, Colombia
- What is the population of San Martín?31,018 (2025 estimate)
- What is the median age in San Martín?About 28 years (2025 estimate)
- What is the population density of San Martín?About 31 people per km²
- What borders San Martín?Aguachica, La Esperanza, Ocaña, Puerto Wilches, Rionegro, Río de Oro, San Alberto and Ábrego
- What time zone is San Martín in?UTC−5
- What currency is used in San Martín?Peso (COP)
- What language is spoken in San Martín?Spanish (main languages nationally)
- How many villages are in San Martín?37 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of San Martín?Settlements lie between 39 m and 1,078 m
- What is the highest point in San Martín?Alto de Las Rojas (782 m, GeoNames elevation model)
- What is the best time to visit San Martín?December to January and June to September
- Where is the nearest hospital to San Martín?Hospital Local Alvaro Ramirez Gonzalez ESE, about 9.3 km from the centre
- Where is the nearest bank to San Martín?San Martín Cesar | Banco de Bogotá, about 9.5 km from the centre
- Where is the nearest petrol pump to San Martín?La Colorada, about 8.9 km from the centre
- How many hospitals are in San Martín?2 mapped
- How many banks are in San Martín?1 mapped
- How many petrol pumps are in San Martín?1 mapped
- What is the P-code of San Martín?CO20770 (OCHA common operational dataset)