3,000 workers according to Foxconn. The trump administration has said it could create up to 13,000 over the coming years, so who knows what that really means...
Though you are right, this looks like an exceptionally misleading deal from the point of view of the taxpayer. When I think of Foxconn workers I dont think of the kinds of jobs I think we would want to heavily invest in, but I hope I am wrong.