Well, within a generation, about half of Hispanic immigrants become Protestant (about a third, and mostly Evangelical), or secular (about 10%), so there is a consolation prize for those worried about a Catholic takeover. It will take a LONG time, and we will both be dead if and when it occurs. Cheers.
You can attend a Spanish language Pentecostal service anywhere in Northern Virginia 24/7 ~ if you really wanted to do that.