Update 

There are 10,981 Puerto Ricans in the US Virgin Islands according to the 2010 US Census, and 4,416 Puerto Ricans in Dominican Republic according to the 2012 Dominican Census
http://stthomassource.com/content/news/local-news/2013/02/05/us-census-shows-vi-aging-growing-more-hispanic
http://www.diariolibre.com/noticias/2013/05/01/i381577_mas-medio-millon-inmigrantes-residen-pais.html