 As of 2015, nearly 40 percent of Hazleton's population was of Hispanic/Latino descent.In 2012, Amilcar Arroyo (a Hazleton Integration Project board member) estimated that 80% of Hazleton's Hispanics and Latinos were of Dominican origins, and that many of them had ancestry from San José de Ocoa.Hazleton has the highest percentage of Dominicans in Pennsylvania and the fourth highest in the nation.