According to the report from the Sixth National Population Census of the Peoples Republic of China, the total population of Zhoushan Municipality is 1,121,261 with 588,414 males and 532,847 females as of 1 November 2010, among which an overwhelmingly majority is Han Chinese (1,109,813). The number of household is about 454,800. For an administrative division distribution, Dinghai District has a population of 464,184, Putuo District, Zhoushan has a population of 378,805, Daishan County has a population of 202,164 and Shengsi County has a population of 76,108. In terms of education attainment, about 10 percent of the total population (115,286) has received higher education, while a population of 77,577 is illiterate or half-illiterate. In terms of age distribution, there is a children (aged 0-14) population of 114,265 and a senior population of 176,331.. Which county has the lowest population in Republic of China, Shengsi or Daishan?