Ulldecona, Catalonia
Ulldecona: Town in Catalonia, Spain
About
Quick Facts about Ulldecona
| Population : | 6,300 |
| Country : | Spain |
| State : | Catalonia (Spain) |
| County : | Província de Tarragona |
| Head of government : | mayor of Ulldecona |
| Postal code : | 43550 |
| Plate code : | T |
| Area : | 126.9 km2 |
| Official name : | Ulldecona |
| Male population : | 3286 |
| Female population : | 3014 |
| Altitude : | 436 feet / 133 meters |
| Time Zone : | UTC+01:00 |
| Local time : | 22:01:11 (6th December 2025) |
Geography
Ulldecona is located at 40°35'50"N 0°26'50"E (40.5973400, 0.4471800). It has 3 neighbors: San Jorge, Vinaros and Alcanar.
Ulldecona map
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- Official Website
Official website of Ulldecona
Demographics
| Year | Population | % Change | Method |
| 1717 | 1,206 | - | register office |
| 1857 | 5,864 | 79.43% | register office |
| 1860 | 5,632 | -4.12% | register office |
| 1877 | 6,009 | 6.27% | register office |
| 1887 | 6,564 | 8.46% | register office |
| 1900 | 6,593 | 0.44% | register office |
| 1910 | 7,011 | 5.96% | register office |
| 1920 | 6,782 | -3.38% | register office |
| 1930 | 6,027 | -12.53% | register office |
| 1936 | 6,084 | 0.94% | register office |
| 1940 | 5,475 | -11.12% | register office |
| 1945 | 5,395 | -1.48% | register office |
| 1950 | 5,543 | 2.67% | register office |
| 1955 | 5,348 | -3.65% | register office |
| 1960 | 5,186 | -3.12% | register office |
| 1965 | 5,447 | 4.79% | register office |
| 1970 | 5,494 | 0.86% | register office |
| 1975 | 5,459 | -0.64% | register office |
| 1981 | 5,272 | -3.55% | register office |
| 1986 | 5,096 | -3.45% | register office |
| 1991 | 5,032 | -1.27% | register office |
| 2001 | 5,671 | 11.27% | register office |
| 2002 | 5,843 | 2.94% | register office |
| 2004 | 6,056 | 3.52% | register office |
| 2005 | 6,325 | 4.25% | register office |
| 2006 | 6,229 | -1.54% | register office |
| 2007 | 6,566 | 5.13% | register office |
| 2008 | 6,987 | 6.03% | register office |
| 2009 | 7,236 | 3.44% | register office |
| 2010 | 7,335 | 1.35% | register office |
| 2011 | 7,404 | 0.93% | register office |
| 2012 | 7,372 | -0.43% | register office |
| 2013 | 7,240 | -1.82% | register office |
| 2014 | 6,904 | -4.87% | register office |
| 2015 | 6,637 | -4.02% | register office |
| 2016 | 6,368 | -4.22% | register office |
| 2017 | 6,321 | -0.74% | register office |
| 2018 | 6,240 | -1.3% | register office |
| 2019 | 6,300 | 0.95% | register office |
