San Diego Population 2026
San Diego has a population of 18,531, making it the #272 biggest city in 🇨🇴 Colombia, located in Cesar Department. It is about 414× smaller than Bogotá, the country's biggest city.
Population (city proper)
18,531
Rank in Colombia
#272
Coordinates
10.33°N, 73.18°W
~180 m elevation · America/Bogota
Distance to capital (Bogotá)
644 km
400 miles, straight line
Other big cities in Cesar Department
| City | Population | Rank in Colombia |
|---|---|---|
| Valledupar | 490,075 | #12 |
| Aguachica | 97,525 | #57 |
| Agustín Codazzi | 51,478 | #95 |
| Bosconia | 40,562 | #124 |
| Curumaní | 34,838 | #143 |
| Chimichagua | 30,289 | #165 |
| El Copey | 28,550 | #177 |
| Chiriguaná | 27,006 | #187 |
Cities near San Diego
- Valledupar490,075 people · ~17 km away
- Agustín Codazzi51,478 people · ~34 km away
- Villanueva18,699 people · ~38 km away
- San Juan del Cesar40,069 people · ~52 km away
- Becerril20,477 people · ~71 km away
- Fonseca32,220 people · ~71 km away
FAQ
What is the population of San Diego?
San Diego has a population of 18,531 (city proper, latest official figure via GeoNames), making it the #272 biggest city in Colombia.
What region is San Diego in?
San Diego is located in Cesar Department, Colombia.
Is San Diego the capital of Colombia?
No, the capital of Colombia is Bogotá, about 644 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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