Tres Rios (Tres Ríos), Cartago
Tres Rios: district in La Unión canton, Cartago province, Costa Rica
About
Quick Facts about Tres Ríos
| Population | 9,331 |
| Country | Costa Rica |
| State | Cartago (Costa Rica) |
| County | La Unión |
| Postal code | 30301 |
| Area | 2.19 km2 |
| Latitude & Longitude | 9.9064,-83.9876 |
| Altitude | 4,413 feet / 1345 meters |
| Capital city | Tres Ríos is capital of La Unión Canton |
| Time Zone | UTC−06:00 |
| Local time | 19:22:49 (15th April 2026) |
Geography
Tres Ríos is located at 9°54'23"N 83°59'15"W (9.9064400, -83.9876000).
Tres Rios map
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Demographics
| Year | Population | % Change | Method |
|---|---|---|---|
| 1883 | 852 | - | census |
| 1892 | 1,077 | 20.89% | census |
| 1927 | 1,540 | 30.06% | census |
| 1950 | 2,837 | 45.72% | census |
| 1963 | 4,694 | 39.56% | census |
| 1973 | 6,804 | 31.01% | census |
| 1984 | 8,661 | 21.44% | census |
| 2000 | 10,009 | 13.47% | census |
| 2011 | 9,331 | -7.27% | census |
La Union, La Unión