Query: According to the census survey carried out between 15 June and 31 July 2004, what was Uruguay's population?
Context: According to the census survey carried out between 15 June and 31 July 2004, Montevideo had a population of 1,325,968 persons, compared to Uruguay's total population of 3,241,003. The female population was 707,697 (53.4%) while the male population accounted for 618,271 (46.6%).